Exhibit 10.33

AMENDMENT TO CREDIT AND SECURITY AGREEMENT

AND WAIVER OF
DEFAULTS

THIS AMENDMENT (the Amendment), dated August 4, 2009 is entered into by and
among PINNACLE DATA SYSTEMS, INC., an Ohio corporation, (Company), and WELLS FARGO BANK, NATIONAL ASSOCIATION (Wells Fargo), acting through its Wells Fargo Business Credit operating division.

RECITALS

Company and Wells Fargo are parties to a Credit and Security Agreement dated April 3, 2009 (Credit Agreement). Capitalized terms used in these recitals have the meanings given to them in
the Credit Agreement unless otherwise specified.

The Company has requested that certain amendments be made to the Credit
Agreement, which Wells Fargo is willing to make pursuant to the terms and conditions set forth herein.

NOW,THEREFORE, in consideration of the premises and of the mutual covenants and agreements herein contained, it is agreed as follows:

1. Section5.2(a) and Section5.2(b) are hereby amended to read as follows:

(a) Minimum Book Net Worth. Based upon Companys submitted projections, Company shall maintain, at the end of
each fiscal quarter described below, its non-cumulative Book Net Worth, determined as of the end of each fiscal quarter in an amount not less than the amount set forth below (numbers appearing between < > are negative):



|                      |  |                       |              | 
|--------------------- |  | --------------------- | ------------ | 
|Fiscal Quarter Ending |  | Minimum BookNet Worth |             
|                      | 
|September 30, 2009    |  | $                     | 8,000,000.00 | 
|                      | 
|December 31, 2009     |  | $                     | 8,000,000.00 | 

(b) Minimum Net Income. Based upon 75% of the Companys submitted projected Net Income (or 100% of the
Companys projected net loss), Company shall achieve for each fiscal quarter described below, non-cumulative Net Income of not less than the amount set forth for each such fiscal quarter (numbers appearing between < > are
negative):



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|                      |  |                   |   | 
|--------------------- |  | ----------------- | - | 
|Fiscal Quarter Ending |  | MinimumNet Income |  
|                      | 
|September 30, 2009    |  | $                 | 0 | 
|                      | 
|December 31, 2009     |  | $                 | 0 | 

2. No Other
Changes. Except as explicitly amended by this Amendment, all of the terms and conditions of the Credit Agreement shall remain in full force and effect and shall apply to any advance thereunder.

3. Waiver of Defaults. The Company is in default of the following provisions of the Credit Agreement (collectively, the
Existing Defaults):



|                                                  |  |                     |           |  |                   |    |           | 
|------------------------------------------------- |  | ------------------- | --------- |  | ----------------- | -- | --------- | 
|Section/Covenant                                  |  | RequiredPerformance |           |  | ActualPerformance |   
|                                                  |  |                    
|5.2(a) Minimum Book Net Worth (2Q09) (June, 2009) |  | $                   | 8,200,000 |  |                   | $  | 8,000,000 | 
|                                                  |  |                    
|5.2(b) Minimum Net Income (2Q09) (June, 2009)     |  | $                   | 27,000    |  |                   | <$ | 270,000>  | 

Upon the terms and
subject to the conditions set forth in this Amendment, Wells Fargo hereby waives the Existing Defaults. This waiver shall be effective only in this specific instance and for the specific purpose for which it is given, and this waiver shall not
entitle the Company to any other or further waiver in any similar or other circumstances.

4. Amendment Fee. The
Company shall pay Wells Fargo as of the date hereof a fully earned, non-refundable fee in the amount of Ten Thousand ($10,000.00) Dollars in consideration of Wells Fargos execution and delivery of this Amendment.

5. Conditions Precedent. This Amendment and the waiver set forth in Paragraph 3 hereof shall be effective when Wells Fargo shall
have received an executed original hereof, together with each of the following, each in substance and form acceptable to Wells Fargo in its sole discretion:

(a) A Certificate of the Chief Financial Officer of the Company certifying as to (i) the resolutions of the board of directors of the Company approving the execution and delivery of this Amendment,
(ii) the fact that the articles of incorporation and bylaws of the Company, which were certified and delivered to Wells Fargo pursuant to the Certificate of Authority of the Companys secretary dated April 3, 2009 (Certificate
of Authority) continue in full force and effect and have



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not been amended or otherwise modified except as set forth in the Certificate to be delivered, and (iii) certifying that the officers and agents of the Company who have been certified to
Wells Fargo, pursuant to the Certificate of Authority as being authorized to sign and to act on behalf of the Company continue to be so authorized or setting forth the sample signatures of each of the officers and agents of the Company authorized to
execute and deliver this Amendment and all other documents, agreements and certificates on behalf of the Company.

(b) Payment of the fee described in Paragraph 4 hereof.

(c) Such
other matters as Wells Fargo may require.



|6. | Representations and Warranties. The Company hereby represents and warrants to Wells Fargo as follows:
|-- | -----------------------------------------------------------------------------------------------------

(a) The Company has all requisite power and authority to execute this Amendment and any other agreements or instruments
required hereunder and to perform all of its obligations hereunder, and this Amendment and all such other agreements and instruments has been duly executed and delivered by the Company and constitute the legal, valid and binding obligation of the
Company, enforceable in accordance with its terms.

(b) The execution, delivery and performance by the Company
of this Amendment and any other agreements or instruments required hereunder have been duly authorized by all necessary corporate action and do not (i) require any authorization, consent or approval by any governmental department, commission,
board, bureau, agency or instrumentality, domestic or foreign, (ii) violate any provision of any law, rule or regulation or of any order, writ, injunction or decree presently in effect, having applicability to the Company, or the articles of
incorporation or by-laws of the Company, or (iii) result in a breach of or constitute a default under any indenture or loan or credit agreement or any other agreement, lease or instrument to which the Company is a party or by which it or its
properties may be bound or affected.

(c) All of the representations, warranties and covenants contained in
Article 4 and Article 5 of the Credit Agreement are correct on and as of the date hereof as though made on and as of such date, except to the extent that such representations and warranties relate solely to an earlier date.

7. References. All references in the Credit Agreement to this Agreement shall be deemed to refer to the Credit
Agreement as amended hereby; and any and all references in the Security Documents to the Credit Agreement shall be deemed to refer to the Credit Agreement as amended hereby.

8. No Other Waiver. Except as otherwise provided in Paragraph 3 hereof, the execution of this Amendment and the acceptance of all other agreements and instruments related hereto shall not be deemed
to be a waiver of any Default or Event of Default under the Credit Agreement or a waiver of any breach, default or event of default under any Security Document or other document held by Wells Fargo, whether or not known to Wells Fargo and whether or
not existing on the date of this Amendment.



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9. Release. The Company hereby absolutely and unconditionally releases and forever
discharges Wells Fargo, and any and all participants, parent corporations, subsidiary corporations, affiliated corporations, insurers, indemnitors, successors and assigns thereof, together with all of the present and former directors, officers,
agents and employees of any of the foregoing, from any and all claims, demands or causes of action of any kind, nature or description, whether arising in law or equity or upon contract or tort or under any state or federal law or otherwise, which
the Company has had, now has or has made claim to have against any such person for or by reason of any act, omission, matter, cause or thing whatsoever arising from the beginning of time to and including the date of this Amendment, whether such
claims, demands and causes of action are matured or unmatured or known or unknown.

10. Costs and Expenses. The Company
hereby reaffirms its agreement under the Credit Agreement to pay or reimburse Wells Fargo on demand for all costs and expenses incurred by Wells Fargo in connection with the Loan Documents, including without limitation all reasonable fees and
disbursements of legal counsel. Without limiting the generality of the foregoing, the Company specifically agrees to pay all fees and disbursements of counsel to Wells Fargo for the services performed by such counsel in connection with the
preparation of this Amendment and the documents and instruments incidental hereto. The Company hereby agrees that Wells Fargo may, at any time or from time to time in its sole discretion and without further authorization by the Company, make a loan
to the Company under the Credit Agreement, or apply the proceeds of any loan, for the purpose of paying any such fees, disbursements, costs and expenses and the fee required under Paragraph 4 of this Amendment.

11. Miscellaneous. This Amendment may be executed in any number of counterparts, each of which when so executed and delivered
shall be deemed an original and all of which counterparts, taken together, shall constitute one and the same instrument.

[signatures appear on the following page]



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IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be duly
executed as of the date first above written.



|                  |  |  |  |                                        |  |                         
|----------------- |  |  |  | -------------------------------------- |  | ------------------------
|Attest/Witness:   |  |  |  | PINNACLE DATA SYSTEMS, INC.           
|                  |  |  | 
|/s/ Michael Sayre |  |  |  | By:                                    |  | /s/ Nicholas J. Tomashot
|                  |  |  |  | Print Name:                            |  | NICHOLAS J. TOMASHOT    
|                  |  |  |  | Its:                                   |  | Chief Financial Officer 
|                  |  | 
|                  |  |  |  | WELLS FARGO BANK, NATIONAL ASSOCIATION
|                  |  |  | 
|                  |  |  |  | By:                                    |  | /s/ Sabato Mutone       
|                  |  |  |  | Print Name:                            |  | SABATO MUTONE           
|                  |  |  |  | Its:                                   |  | Vice President          



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