**Exhibit      4.57**

**AMENDMENT      NO. 4 TO REVOLVING **
**LINE      OF CREDIT AND **

**TERM      LOAN AGREEMENT**

| A. | Reference                is hereby made to a certain Revolving Line of Credit and Term Loan                Agreement, dated as of November 30, 2007, by and between Borrower                and                Lender, as amended by (i) a certain Amendment No. 1 to Term Loan                Agreement, dated March 31, 2008, (ii) a certain Amendment No. 2 to                Term                Loan Agreement, dated June 30, 2008, and (iii) a certain Amendment                No. 3                to Term Loan Agreement, dated June 30, 2008 (as amended, the “Loan                Agreement”).                The loan obligations of Borrower to Lender are further evidenced                by (i) a                certain Term Promissory Note, dated November 30, 2007, from the Borrower                to the Lender in the maximum principal amount of up to $13,000,000.00,                as                amended by a certain Amendment No. 1 and Allonge to Term Promissory                Note,                dated as of June 30, 2008, increasing the maximum principal amount                to                $15,000,000.00 and (ii) a certain Revolving Line of Credit Note,                dated                November 30, 2007, from the Borrower to the Lender in the maximum                principal amount of $2,000,000.00 (together and as amended, the                “Notes”).                All capitalized terms used herein and not otherwise defined herein                shall                have the meanings as set forth in the Loan                Agreement. |
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| B. | Borrower                has requested that Lender advance a Term Loan Advance to fund the                Financed                Acquisition of Alan N. Kanter & Associates, Inc., a Maryland                corporation with its principal place of business at 31 Walker Avenue,                2nd                Floor, Baltimore, MD 21208 (the “Subsidiary”). |
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| C. | Lender                has agreed to advance such Term Loan Advance for the Financed Acquisition,                provided that Borrower joins with Lender in the execution of this                Agreement and satisfies the conditions precedent for the Financed                Acquisition set forth herein, including, without limitation, the                execution                by the Subsidiary of a Guaranty of the                Loans. |
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| 1. | The                Lender hereby consents to the acquisition of the Subsidiary on the                terms                set forth in a certain Stock Purchase Agreement, dated as of June                30,                2008, among the Borrower, the Subsidiary, and Alan N. Kanter, and                the                acquisition of the Subsidiary shall be deemed to be a Permitted                Acquisition. |
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| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                1 **of                 7* |
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| 2. | To                evidence that the Subsidiary is an additional Guarantor of the Loans,                Schedule                A                to                the Loan Agreement is hereby deleted in its entirety and the attached                new                Schedule                A                is                substituted therefor. |
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| 3. | Lender                and Borrower hereby agree that, as a result of the acquisition of                the                Subsidiary as an Acquired Entity (as defined in the Loan Agreement),                the                updated calculation of Acquired EBITDA shall be as set forth on the                table                attached hereto as Schedule 1(a) “Acquired EBITDA” which Schedule shall be                considered incorporated into and part of the Loan Agreement. The                calculations set forth on Schedule 1(a) “Acquired EBITDA” are hereby                intended to supersede and replace any prior agreements between Lender                and                Borrower as to the calculation of Acquired                EBITDA. |
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| 4. | As                a condition of this Agreement, Borrower shall at the time of execution                of                this Agreement: |
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|   | (a) | reimburse                Lender for its-out-of pocket costs in connection with this Agreement                and                the Modification Documents (as defined below), including reasonable                legal                fees and expenses incurred by                Lender; |
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|   | (b) | deliver                to Lender the following documents in form and substance reasonably                satisfactory to Lender or, if applicable, as required by the terms                and                conditions of the Loan Agreement: |
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|  |   | (i) | an                Amendment No. 3 to Stock Pledge executed by                Borrower; |
|--|--------|-----|----------------------------------------------------------------------------------------|

|   |   | (ii) | an                Amendment No. 4 to Intercreditor Agreement executed by Borrower and                by                Junior Lender; |
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|   |   | (iii) | a                Stock Power certificate executed in blank by Borrower in favor of                Lender                with respect to the stock of the                Subsidiary; |
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|   |   | (iv) | a                Perfection Certificate executed by the                Subsidiary; |
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|   |   | (v) | a                Guaranty in favor of Lender executed by the Subsidiary;                and |
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|   |   | (vi) | a                Security Agreement executed by the Subsidiary in favor of                Lender. |
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| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                2 **of                 7* |
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|   | (c) | satisfy                and/or be in compliance with the Financed Acquisition Conditions                on the                date hereof and at the time of the advance by Lender of the Term                Loan                Advance contemplated hereby. |
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| 5. | Borrower                hereby represents and warrants that: (i) its representations and                warranties set forth in the Loan Agreement are true in all material                respects on and as of the date hereof as if made on such date (except                to                the extent that the same expressly relate to an earlier date or are                affected by the consummation of transactions permitted hereby or                by the                Agreement); (ii) it is in compliance in all material respects with                all of                the terms and provisions set forth in the Loan Agreement on its part                to be                observed or performed; (iii) after giving effect to any extension                of                credit to be made on the date hereof, no Event of Default or Default                Event                has occurred and is continuing; (iv) since the date of the financial                statements most recently provided to Lender by Borrower, there has                occurred no material adverse change in the assets or liabilities                or the                financial or other condition of Borrower; (v) it has full power to                execute, deliver and perform its obligations under the Modification                Documents and the execution, delivery and performance of the Modification                Documents have been authorized and directed by the appropriate parties;                (vi) the Modification Documents constitute the legal, valid and binding                obligations of Borrower and/or the Subsidiary, as applicable, enforceable                in accordance with their terms; (vii) the execution, delivery and                performance thereof will not violate any provision of any existing                law or                regulation applicable to Borrower or the Subsidiary or their respective                governing documents or of any order or decree of any court, arbitrator                or                governmental authority or of any contractual undertaking to which                either                is a party or by which either may be bound; and (viii) no consents,                licenses, approvals or authorizations of, exemptions by or registrations                or filings with, any governmental authority are required with respect                to                the Modification Documents. |
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| 6. | If                Borrower fails to comply with all the terms and conditions of the                Modification Documents, such failure shall constitute a default under                this                Agreement and an Event of Default under the Loan Agreement and other                Loan                Documents. |
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| 7. | No                other changes shall be made to the Loan Agreement, and Borrower reaffirms                its obligations under the Loan Documents (as amended hereby) in their                entirety. This Agreement is not intended to extinguish or affect                any of                the debt evidenced by the Notes or to otherwise modify any of the                obligations under any of the Loan Documents, except as amended hereby.                Borrower hereby reaffirms that Borrower remains indebted to Lender                without                defense, counterclaim or offset and hereby releases Lender from any                and                all claims or other causes of action which Borrower may have against                Lender with respect to the Loans and the Loan                Documents. |
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| 8. | This                Agreement is made in the Commonwealth of Massachusetts and shall                be                construed in accordance with its laws without regard to principles                of                conflicts of laws. If any provision hereof is in conflict with any                statute                or rule of law of the Commonwealth of Massachusetts or any other                statute                or rule of law of any other applicable jurisdiction or is otherwise                unenforceable, such provisions shall be deemed null and void only                to the                extent of such conflict or unenforceability and shall be deemed separate                from and shall not invalidate any other provision of this                Agreement. |
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| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                3 **of                 7* |
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| 9. | This                Agreement shall be binding upon and inure to the benefit of the parties                hereto and their respective successors and assigns, and no other                parties                shall be a beneficiary hereunder. Neither this Agreement nor any                of the                provisions hereof can be changed, waived, discharged or terminated                except                by an instrument in writing signed by the party against whom enforcement                of the change, waiver, discharge or termination is                sought. |
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| 10. | This                Agreement may be signed in counterparts, each of which shall be deemed                an                original and all of which, when taken together, shall constitute                one and                the same instrument. Signatures delivered by facsimile transmission                shall                have the same force and effect as original signatures delivered in                person. |
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| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                4 **of                 7* |
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|                               |   | LENDER:                                           |
|------------------------------------|--------|---------------------------------------------------|
|                               |   |                                              |   |
|                               |   | RBS                CITIZENS, NATIONAL ASSOCIATION |
|                               |   |                                              |   |
| /s/                Imran S. Bora   |   | By:                                               |  /s/                David Bugbee |  |
| Witness                            |   | Name:                                             |  David                Bugbee |
|                               |   | Title:                                            |  Senior                Vice President |
|                               |   |                                              |   |
|                               |   | BORROWER:                                         |
|                               |   |                                              |   |
|                               |   | NATIONAL              INVESTMENT MANAGERS INC.    |
|                               |   |                                              |   |
| /s/                John Schroepfer |   | By:                                               |  /s/                John M. Davis |  |
| Witness                            |   | Name:                                             |   |
|                               |   | Title:                                            |   |

| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                5**of                 7* |
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| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                6 **of                 7* |
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**SCHEDULE      1(A)**

**“ACQUIRED      EBITDA”**

| **Applicable Time Period**                                                               |   | For the four fiscalquarter periodending June 30,2008, an amountequal to: |    | For four fiscalquarter periodending September30, 2008, anamount equal to: |   | For the four fiscalquarter periodending December31, 2008, anamount equal to: |   | For the four fiscalquarter periodending March 31,2009, an amountequal to: |    |
|----------------------------------------------------------------------------------------------------|--------|-----------------------------------------------------------------------------------------------------------------------|---------|-------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------------------------------------------------|--------|------------------------------------------------------------------------------------------------------------------------|---------|
| **Acquired                  EBITDA****for                  CIAS**                                  |   | $                                                                                                                     | 363,945 |                                                                                                              | $      | 259,518                                                                                                                   |   | $                                                                                                                      | 124,842 |   |   | N/A |   |
|                                                                                               |   |                                                                                                                  |    |                                                                                                              |   |                                                                                                                      |   |                                                                                                                   |    |   |   |   |   |
| **Acquired                  EBITDA****for                  Alaska Pension Services, Ltd.**         |   | $                                                                                                                     | 244,402 |                                                                                                              | $      | 209,640                                                                                                                   |   | $                                                                                                                      | (16,159 | ) | $ | 33,760 |   |
|                                                                                               |   |                                                                                                                  |    |                                                                                                              |   |                                                                                                                      |   |                                                                                                                   |    |   |   |   |   |
| **Acquired                  EBITDA****for                  Alan N. Kanter & Associates, Inc.** |   | $                                                                                                                     | 340,815 |                                                                                                              | $      | 245,824                                                                                                                   |   |                                                                                                                   | 176,270 |   |   | 156,008 |   |
|                                                                                               |   |                                                                                                                  |    |                                                                                                              |   |                                                                                                                      |   |                                                                                                                   |    |   |   |   |   |
| **Total                  Acquired EBITDA for Applicable Time Period**                              |   | $                                                                                                                     | 949,162 |                                                                                                              | $      | 714,982                                                                                                                   |   | $                                                                                                                      | 284,953 |   | $ | 189,768 |   |

| *Amendment                No. 4 to Revolving Line of Credit and Term Loan                Agreement* | *Page                7 **of                 7* |
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