----

----

| [X] | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|-----|-----------------------------------------------------------------------------------------|

| [  ] | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|----------------|------------------------------------------------------------------------------------------|

| Delaware(State or other jurisdiction of incorporation or organization)  | 91-1528142(I.R.S. Employer Identification No.)  |
|------------------------------------------------------------------------------|-----------------------------------------------------------|

----

|  PART I.         |  FINANCIAL INFORMATION                                                                 | Page No. |
|----------------------------|---------------------------------------------------------------------------------------------|----------|
|                       |                                                                                        |     |
|   Item 1.        |   Financial Statements                                                            |     |
|                       |                                                                                        |     |
|                       |  Consolidated Balance Sheets                                                           |     |
|                       |  -March 31, 2011 (Unaudited) and December 31, 2010 (Audited)                           | 2        |
|                       |                                                                                        |     |
|                       |  Consolidated Statements of Operations                                                 |     |
|                       |  -Three months ended March 31, 2011 and March 31, 2010 (Unaudited)                     | 3   |
|                       |                                                                                        |     |
|                       |  Consolidated Statements of Cash Flows                                                 |     |
|                       |  -Three months ended March 31, 2011 and March 31, 2010 (Unaudited)                     | 4   |
|                       |                                                                                        |     |
|                       |  Notes to Consolidated Financial Statements (Unaudited)                                | 5   |
|                       |                                                                                        |     |
|   Item 2.   |  Management's Discussion and Analysis of Financial Condition and Results of Operations | 8   |
|                       |                                                                                        |     |
|   Item 3.   |  Quantitative and Qualitative Disclosure About Market Risk                             | 11  |
|                       |                                                                                        |     |
|   Item 4.   |  Controls and Procedures                                                               | 11  |
|                       |                                                                                        |     |
|  PART II.   |  OTHER INFORMATION                                                                     | 12  |
|                       |                                                                                        |     |
|                       |  SIGNATURES                                                                            | 14  |
|                       |                                                                                        |     |

----

----

|                                                                                                         |   |        |       |   |         |   |
|--------------------------------------------------------------------------------------------------------------|--------|-------------|------------|--------|--------------|--------|
|                                                                                                         |   |        |       |   |         |   |
|   OP-TECH ENVIRONMENTAL SERVICES, INC. AND WHOLLY-OWNED SUBSIDIARIES                                    |   |
|   CONSOLIDATED BALANCE SHEETS                                                                           |   |
|                                                                                                         |   |        |       |   |         |   |
|                                                                                                         |   |        |       |   |         |   |
|                                                                                                         |   |        |       |   |         |   |
|                                                                                                         |   | (UNAUDITED) |       |   |         |   |
|                                                                                                         |   | March 31,   |       |   | December 31, |   |
|                                                                                                         |   | 2011        |       |   | 2010         |   |
|                                                                                                         |   |        |       |   |         |   |
| ASSETS                                                                                                       |   |
|                                                                                                         |   |        |       |   |         |   |
| Current Assets:                                                                                              |   |        |       |   |         |   |
|    Cash                                                                                       |   | $           | 164,887    |   |         | $      | 646,560 |   |
|    Accounts receivable (net of allowance for doubtful accounts of                             |   |        |       |   |         |   |   |   |
|       approximately $569,000 in 2011 and $553,000 in 2010)                     |   |        | 6,203,789  |   |         |   | 10,292,907 |   |
|    Costs on uncompleted projects applicable to future billings                                |   |        | 1,603,864  |   |         |   | 1,098,455 |   |
|    Inventory                                                                                  |   |        | 357,461    |   |         |   | 358,394 |   |
|    Current portion of deferred tax asset                                                      |   |        | 488,800    |   |         |   | 488,800 |   |
|    Prepaid expenses and other current assets, net                                             |   |        | 458,955    |   |         |   | 510,519 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Current Assets                       |   |        | 9,277,756  |   |         |   | 13,395,635 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
| Property and equipment, net                                                                                  |   |        | 1,901,284  |   |         |   | 2,047,479 |   |
| Deferred tax asset                                                                                           |   |        | 2,153,400  |   |         |   | 1,774,900 |   |
| Other long term assets                                                                                       |   |        | 101,050    |   |         |   | 93,304 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Assets                               |   | $           | 13,433,490 |   |         | $      | 17,311,318 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
| LIABILITIES AND SHAREHOLDERS' EQUITY                                                                         |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
| Current Liabilities:                                                                                         |   |        |       |   |         |   |   |   |
|    Accounts payable                                                                           |   | $           | 3,907,956  |   |         | $      | 7,172,208 |   |
|    Billings in excess of costs and estimated profit                                           |   |        |       |   |         |   |   |   |
|       on uncompleted projects                                                  |   |        | 299,159    |   |         |   | 342,152 |   |
|    Accrued expenses and other current liabilities                                             |   |        | 510,841    |   |         |   | 588,314 |   |
|    Note payable to bank under line of credit                                                  |   |        | 1,726,839  |   |         |   | 3,442,205 |   |
|    Income taxes payable                                                                       |   |        | 9,027      |   |         |   | 14,925 |   |
|    Obligation under interest rate swap agreement                                              |   |        | 4,692      |   |         |   | 8,345 |   |
|    Current portion of long-term debt                                                          |   |        | 599,199    |   |         |   | 598,469 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Current Liabilities                  |   |        | 7,057,713  |   |         |   | 12,166,618 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|    Convertible notes payable                                                                  |   |        | 1,744,777  |   |         |   | 1,384,500 |   |
|    Long-term debt                                                                             |   |        | 2,500,000  |   |         |   | 1,300,000 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Liabilities                          |   |        | 11,302,490 |   |         |   | 14,851,118 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
| Shareholders' Equity:                                                                                        |   |        |       |   |         |   |   |   |
| Common stock, par value $.01 per share; authorized 50,000,000                                                |   |        |       |   |         |
|       shares; 11,940,372 shares issued and outstanding                         |   |        | 119,404    |   |         |   | 119,404 |   |
|    Additional paid-in capital                                                                 |   |        | 7,360,558  |   |         |   | 7,293,391 |   |
|    Accumulated deficit                                                                        |   |        | (5,346,271 | )      |         |   | (4,747,751 | ) |
|    Accumulated other comprehensive loss                                                       |   |        | (2,691     | )      |         |   | (4,844 | ) |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Shareholders' Equity                 |   |        | 2,131,000  |   |         |   | 2,660,200 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|            Total Liabilities and Shareholders' Equity |   | $           | 13,433,490 |   |         | $      | 17,311,318 |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
|                                                                                                         |   |        |       |   |         |   |   |   |
| The accompanying notes are an integral part of the consolidated financial statements.                        |   |

----

|                                                                                  |   |               |       |   |      |   |
|---------------------------------------------------------------------------------------|--------|--------------------|------------|--------|-----------|--------|
|                                                                                  |   |               |       |   |      |   |
| OP-TECH ENVIRONMENTAL SERVICES, INC. AND WHOLLY-OWNED SUBSIDIARIES                    |   |
| CONSOLIDATED STATEMENTS OF OPERATIONS                                                 |   |
| (UNAUDITED)                                                                           |   |
|                                                                                  |   |               |       |   |      |   |
|                                                                                  |   |               |       |   |      |   |
|                                                                                  |   |               |       |   |      |   |
|                                                                                  |   |               |       |   |      |   |
|                                                                                  |   | THREE MONTHS ENDED |       |
|                                                                                  |   | March 31,          |       |   | March 31, |   |
|                                                                                  |   | 2011               |       |   | 2010      |   |
|                                                                                  |   |               |       |   |      |   |
| Project revenue                                                                       |   | $                  | 4,907,402  |   |      | $      | 13,846,687 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Project costs                                                                         |   |               | 3,560,181  |   |      |   | 11,590,581 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Gross margin                                                                          |   |               | 1,347,221  |   |      |   | 2,256,106 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Operating expenses:                                                                   |   |               |       |   |      |   |   |   |
|     Payroll expense and related payroll taxes and benefits        |   |               | 1,233,728  |   |      |   | 1,082,581 |   |
|     Office Expense                                                |   |               | 192,536    |   |      |   | 193,772 |   |
|     Occupancy                                                     |   |               | 225,054    |   |      |   | 261,773 |   |
|     Business Insurance                                            |   |               | 135,359    |   |      |   | 112,308 |   |
|     Professional Services                                         |   |               | 200,293    |   |      |   | 152,615 |   |
|     Equipment Expenses, net of usage credit                       |   |               | 154,368    |   |      |   | 111,271 |   |
|     Other expenses                                                |   |               | 59,632     |   |      |   | 113,478 |   |
|                                                                                  |   |               | 2,200,970  |   |      |   | 2,027,798 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Operating income (loss)                                                               |   |               | (853,749   | )      |      |   | 228,308 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Other income and (expense):                                                           |   |               |       |   |      |   |   |   |
|    Interest expense                                                    |   |               | (161,612   | )      |      |   | (87,243 | ) |
|    Other, net                                                          |   |               | 36,841     |   |      |   | 13,150 |   |
|                                                                                  |   |               | (124,771   | )      |      |   | (74,093 | ) |
|                                                                                  |   |               |       |   |      |   |   |   |
| Net income (loss) before income taxes                                                 |   |               | (978,520   | )      |      |   | 154,215 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Income tax (expense) benefit                                                          |   |               | 380,000    |   |      |   | (62,000 | ) |
|                                                                                  |   |               |       |   |      |   |   |   |
| Net income (loss)                                                                     |   | $                  | (598,520   | )      |      | $      | 92,215 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Earnings (loss) per common share:                                                     |   |               |       |   |      |   |   |   |
|     Basic                                                         |   | $                  | (0.05      | )      |      | $      | 0.01 |   |
|     Diluted                                                       |   | $                  | (0.05      | )      |      | $      | 0.01 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| Weighted average shares outstanding:                                                  |   |               |       |   |      |   |   |   |
|     Basic                                                         |   |               | 11,940,372 |   |      |   | 11,940,372 |   |
|     Diluted                                                       |   |               | 11,940,372 |   |      |   | 12,371,281 |   |
|                                                                                  |   |               |       |   |      |   |   |   |
|                                                                                  |   |               |       |   |      |   |   |   |
| The accompanying notes are an integral part of the consolidated financial statements. |   |

----

|                                                                                                                                                                                          |   |               |       |   |      |   |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------|------------|--------|-----------|--------|
|                                                                                                                                                                                          |   |               |       |   |      |   |
| OP-TECH ENVIRONMENTAL SERVICES, INC. AND WHOLLY-OWNED SUBSIDIARIES                                                                                                                            |   |
| CONSOLIDATED STATEMENTS OF CASH FLOWS                                                                                                                                                         |   |
| (UNAUDITED)                                                                                                                                                                                   |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |
|                                                                                                                                                                                          |   | THREE MONTHS ENDED |       |
|                                                                                                                                                                                          |   | March 31,          |       |   | March 31, |   |
|                                                                                                                                                                                          |   | 2011               |       |   | 2010      |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |
| Operating activities:                                                                                                                                                                         |   |               |       |   |      |   |
|    Net income (loss)                                                                                                                                                           |   | $                  | (598,520   | )      |      | $      | 92,215 |   |
|    Adjustments to reconcile net income (loss) to net cash                                                                                                                      |   |               |       |   |      |   |   |   |
|       provided by operating activities:                                                                                                                         |   |               |       |   |      |   |   |   |
|          Gain on sale of equipment                                                                                                               |   |               | -          |   |      |   | (13,320 | ) |
|          Bad debt expense                                                                                                                        |   |               | 16,538     |   |      |   | 65,600 |   |
|          Depreciation and amortization                                                                                                           |   |               | 161,195    |   |      |   | 170,615 |   |
|          Amortization of discount on convertible notes                                                                                           |   |               | 44,444     |   |      |   | - |   |
|          (Benefit) expense from deferred income taxes                                                                                            |   |               | (380,000   | )      |      |   | 60,500 |   |
|          (Increase) decrease in operating assets and                                                                                             |   |               |       |   |      |   |   |   |
|             increase (decrease) in operating liabilities:                                                                         |   |               |       |   |      |   |   |   |
|                Accounts receivable                                                                                 |   |               | 4,072,580  |   |      |   | (1,753,564 | ) |
|                Costs on uncompleted projects applicable to                                                         |   |               |       |   |      |   |   |   |
|                    future billings                                                             |   |               | (505,409   | )      |      |   | (1,180,500 | ) |
|                Billings and estimated profit in excess of costs                                                    |   |               |       |   |      |   |   |   |
|                   on uncompleted contracts                                                          |   |               | (42,993    | )      |      |   | (551,362 | ) |
|                Prepaid expenses, inventory and other assets                                                        |   |               | 52,497     |   |      |   | 206,261 |   |
|                Other long term assets                                                                              |   |               | 3,007      |   |      |   | - |   |
|                Accounts payable and accrued expenses                                                               |   |               | (3,347,625 | )      |      |   | 3,397,630 |   |
|                        Net cash provided by (used in) operating activities |   |               | (524,286   | )      |      |   | 494,075 |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| Investing activities:                                                                                                                                                                         |   |               |       |   |      |   |   |   |
|    Purchase of property and equipment                                                                                                                                          |   |               | (15,000    | )      |      |   | (47,000 | ) |
|   Deposit on purchase of building                                                                                                                                                   |   |               | (10,753    | )      |      |   | - |   |
|    Proceeds from sale of equipment                                                                                                                                             |   |               | -          |   |      |   | 16,995 |   |
|                       Net cash used in investing activities                     |   |               | (25,753    | )      |      |   | (30,005 | ) |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| Financing activities:                                                                                                                                                                         |   |               |       |   |      |   |   |   |
|    Decrease in outstanding checks in excess of bank balance                                                                                                                    |   |               | -          |   |      |   | (969,343 | ) |
|    Proceeds from issuance of convertible notes payable                                                                                                                         |   |               | 403,000    |   |      |   | - |   |
|    Redemption of convertible note payable                                                                                                                                      |   |               | (20,000    | )      |      |   | - |   |
|    Proceeds from note payable to bank and current                                                                                                                              |   |               |       |   |      |   |   |   |
|       and long-term borrowings, net of financing costs                                                                                                          |   |               | -          |   |      |   | 5,019,938 |   |
|    Principal payments on current and long-term borrowings                                                                                                                      |   |               | (314,634   | )      |      |   | (4,531,710 | ) |
|                      Net cash provided by (used in) financing activities             |   |               | 68,366     |   |      |   | (481,115 | ) |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| Decrease in cash                                                                                                                                                                              |   |               | (481,673   | )      |      |   | (17,045 | ) |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| Cash at beginning of period                                                                                                                                                                   |   |               | 646,560    |   |      |   | 26,845 |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| Cash at end of period                                                                                                                                                                         |   | $                  | 164,887    |   |      | $      | 9,800 |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
|                                                                                                                                                                                          |   |               |       |   |      |   |   |   |
| The accompanying notes are an integral part of the consolidated financial statements.                                                                                                         |

----

|                                                                                                                                                                                                                             |   |  Three months ended  |     |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|--------------------------------|----------|
|                                                                                                                                                                                                                             |   | March 31, 2011                 |     |   | March 31, 2010 |   |
| Net income (loss)                                                                                                                                                                                                                |   | $                              | (598,520 | ) |   | $ | 92,215 |   |
| Other comprehensive income (loss):   Change in fair value of cash flow hedge from interest   rate swap agreement, net of income tax expense   of $1,500 in 2011 and $1,500 in 2010. |   |                           | 2,153    |   |   |   | 2,149 |   |
| Comprehensive income (loss)                                                                                                                                                                                                      |   | $                              | (596,367 | ) |   | $ | 94,364 |   |

----

----

----

----

|   | · | Payroll expense and related payroll taxes and benefits increased 14% to $1,233,728 from $1,082,581 in 2010.  The increase is primarily a result of lower than anticipated project revenue and project billability lower than anticipated in the first quarter of 2011. |
|--------|--------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | · | Professional services increased 31% to $200,293 from $152,615 in 2010.  The increase is related to legal and audit expenses attributed to the debt refinancing. |
|--------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | · | Other expense decreased 47% to $59,632 from $113,478 due to the decrease in bad debt expense for the quarter. |
|--------|--------|---------------------------------------------------------------------------------------------------------------|

----

|   | CRITICAL ACCOUNTING POLICIES AND ESTIMATES |
|--------|--------------------------------------------|

----

|   | · | Contracts are predominately short-term in nature (less than six months) and revenue is recognized as costs are incurred and billed.  Revenues recognized in excess of amounts billed are recorded as an asset.  In the event interim billings exceed costs and estimated profit, the net amount of deferred revenue is shown as a current liability.  Estimated losses are recorded in full when identified. |
|--------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | · | The Company maintains an allowance for doubtful accounts for estimated losses resulting from the inability of its customers to make required payments, which results in bad debt expense.  Management determines the adequacy of this allowance by continually evaluating individual customer receivables, considering the customer's financial condition, credit history and current economic conditions.  If the financial condition of customers were to deteriorate, resulting in an impairment of their ability to make payments, additional allowances may be required. |
|--------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

|   | · | The Company maintains a valuation allowance for deferred tax assets to reduce these assets to their realizable amounts.  Recognition of these amounts and the adjustment of the corresponding allowance is dependent on the generation of taxable income in current and future years.  As circumstances change with respect to management’s expectations of future taxable income, the valuation allowance is adjusted. |
|--------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (a) | Disclosure Controls and Procedures. |
|-----|-------------------------------------|

----

|   | Item 1.  Legal Proceedings. |
|--------|---------------------------------------|

|   | Item 1A. Risk Factors. |
|--------|------------------------|

|   |   | Not applicable |
|--------|--------|----------------|

|   | Item 2.  Unregistered Sales of Equity Securities and Use of Proceeds. |
|--------|---------------------------------------------------------------------------------|

|   | None |
|--------|------|

----

|   | Item 3.  Defaults Upon Senior Securities. |
|--------|-----------------------------------------------------|

|   | None |
|--------|------|

|   | Item 4.  Submission of Matters to a Vote of Security Holders. |
|--------|-------------------------------------------------------------------------|

|   | None |
|--------|------|

|   | Item 5.  Other Information. |
|--------|---------------------------------------|

|   | None |
|--------|------|

|   | Item 6. Exhibits. |
|--------|-------------------|

----

----

----