Document:

Exhibit 10.6

                     AMENDED AND RESTATED SECURITY AGREEMENT

         THIS AMENDED AND RESTATED SECURITY AGREEMENT ("AGREEMENT") dated July
2, 2003, is made and entered into on the terms and conditions hereinafter set
forth, by and between GUIDELINE RESEARCH CORP., a New York corporation ("GRC"),
TABLINE DATA SERVICES, INC., a New York corporation ("TDS"), GUIDELINE/CHICAGO,
INC., an Illinois corporation ("GCI"), ADVANCED ANALYTICS, INC., a New York
corporation ("AAI"), GUIDELINE CONSULTING CORP., a New York corporation ("GCC";
GRC, TDS, GCI and AAI are sometimes collectively referred to herein as the
"ORIGINAL GUARANTORS"), and TTECH ACQUISITION CORP., a Delaware corporation
("TTC"; the Original Guarantors and TTC are sometimes collectively referred to
herein as the "GUARANTORS"), and PETRA MEZZANINE FUND, L.P., a Delaware limited
partnership ("LENDER").

                                    RECITALS:

         1. The Original Guarantors and Lender entered into that certain
Security Agreement dated April 1, 2003 (the "ORIGINAL SECURITY AGREEMENT") to
secure their obligations pursuant to that certain Guaranty Agreement dated April
1, 2003, by and among the Original Guarantors and Lender (the "ORIGINAL
GUARANTY"), and the obligations of FIND/SVP, Inc., a New York corporation
("BORROWER"), pursuant to that certain Loan Agreement dated April 1, 2003, by
and between Borrower and Lender (the "ORIGINAL LOAN AGREEMENT"), pursuant to
which Lender has made a loan to Borrower in the original principal amount of
$3,000,000 (the "ORIGINAL LOAN").

         2. Pursuant to the request of Borrower, Borrower and Lender have
entered into that certain Amended and Restated Loan Agreement of even date
herewith (together with any and all amendments, modifications, supplements,
extensions, renewals, substitutions and/or replacements thereof, herein referred
to as the "LOAN AGREEMENT"; capitalized terms used but not otherwise defined
herein shall have the same meanings as in the Loan Agreement), pursuant to which
Lender has agreed to make an additional loan to Borrower in the original
principal amount of $500,000 (the "ADDITIONAL LOAN"; the Original Loan and the
Additional Loan are hereinafter referred to individually and collectively as the
"LOAN").

         3. The Original Loan is evidenced by that certain Promissory Note dated
April 1, 2003 in the amount of $3,000,000, made and executed by Borrower,
payable to the order of Lender (the "ORIGINAL NOTE"), and the Additional Loan is
evidenced by that certain Promissory Note of even date with the Loan Agreement
in the amount of $500,000 (the "ADDITIONAL NOTE"; the Original Note and the
Additional Note are sometimes hereinafter individually and collectively,
together with any and all amendments, modifications, supplements, extensions,
renewals, substitutions and/or replacements thereof, referred to as the "NOTE").

         4. As a condition to the making of the Additional Loan, Lender has
required that TTC, a Subsidiary of Borrower, and the Original Guarantors enter
into that certain Amended and Restated Guaranty Agreement of even date herewith
(the "GUARANTY") and grant to Lender a

<PAGE>

security interest in certain collateral more particularly described below, which
Guarantors have agreed to do as hereinafter set forth.

                                   AGREEMENTS:

         NOW, THEREFORE, in consideration of the foregoing and for other good
and valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto agree as follows:

         1. GRANT OF SECURITY INTEREST. Guarantors hereby grant to Lender a
security interest in the following described property and any and all proceeds
and products thereof and accessions thereto (collectively the "COLLATERAL"):

                  (a) EQUIPMENT. All equipment of Guarantors of any kind and
         description, whether now owned or hereafter acquired and wherever

         located, together with all parts, accessories and attachments and all
         replacements thereof and additions thereto;

                  (b) INVENTORY, ACCOUNTS, CONTRACT RIGHTS, CHATTEL PAPER AND
         GENERAL INTANGIBLES. All of Guarantors' inventory, whether held for
         lease or sale, or furnished or to be furnished under contracts of
         service, and any agreements for lease of same and rentals therefrom,
         and all of Guarantors' accounts, accounts receivable, contract rights,
         chattel paper and general intangibles, whether now in existence or
         owned or hereafter arising or acquired, entered into or created, and
         wherever located;

                  (c) INVESTMENT PROPERTY. All of Guarantors' investment
         property, whether now in existence or owned or hereafter arising or
         acquired, entered into or created, and wherever located;

                  (d) TRADEMARKS, ETC. All trademarks and service marks now held
         or hereafter acquired by Guarantors, both those that are registered
         with the United States Patent and Trademark Office and any unregistered
         marks used by Guarantors in the United States, and trade dress,
         including logos and designs, in connection with which any such marks
         are used, together with all registrations regarding such marks and the
         rights to renewals thereof, and the goodwill of the business of
         Guarantors symbolized by such marks;

                  (e) COPYRIGHTS. All copyrights now held or hereafter acquired
         by Guarantors and any applications for U.S. copyrights hereafter made
         by Guarantors; and

                  (f) PROPRIETARY INFORMATION, COMPUTER DATA, ETC. All
         proprietary information and trade secrets of Guarantors with respect to
         Guarantors' business and all of Guarantors' computer programs and the
         information contained therein and all intellectual property rights with
         respect thereto.

         2. SECURED INDEBTEDNESS. This Agreement secures the full and prompt
payment and performance of (a) the indebtedness and other obligations of
Borrower and Guarantors to Lender

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<PAGE>

pursuant to the Loan Agreement, the Note and the other Loan Documents, (b) the
obligations of Guarantors pursuant to the Guaranty, (c) any and all other
indebtedness and other obligations of Borrower or Guarantors to Lender, direct
or contingent (including but not limited to obligations incurred as indorser,
guarantor or surety), however evidenced or denominated, and however and whenever
incurred, including but not limited to indebtedness incurred pursuant to any
present or future commitment of Lender to Borrower or Guarantors, and (d) all
future advances made by Lender for taxes, levies, insurance and preservation of
the Collateral and all attorney's fees, court costs and expenses of whatever
kind incident to the collection of any of said indebtedness or other obligations
and the enforcement and protection of the security interest created hereby.

         3. REPRESENTATIONS, WARRANTIES AND AGREEMENTS OF GUARANTORS. Guarantors
represent, warrant and agree as follows:

                  (a) The location of Guarantors' chief executive offices and
         other places of business, and the locations of all tangible Collateral
         and of all records concerning the Collateral, are identified on
         attached SCHEDULE 3(a). Except as set forth on SCHEDULE 3(a), during
         the five (5) years preceding the date of this Agreement, Guarantors
         have not had any other place of business or location of assets.
         Guarantors will promptly notify Lender, in writing, of any new place or
         places of business and of any change in the location of the Collateral
         or any records pertaining thereto.

                  (b) Guarantors are the owners of the Collateral free and clear
         of any Liens other than Permitted Liens. Guarantors will defend the
         Collateral against the claims and demands of all persons other than
         those in respect of Permitted Liens.

                  (c) Guarantors will at all times keep the Collateral insured
         against all reasonably insurable hazards in amounts equal to the full
         insurable value of the Collateral. Such insurance shall be in such
         companies as are reasonably acceptable to Lender, with provisions
         reasonably satisfactory to Lender for payment of all losses thereunder
         to Lender as its interests appear. If required by Lender, Guarantors
         shall deposit the policies (or duplicate originals of such policies)
         with Lender. Any money received by Lender under said policies may be
         applied to the payment of any indebtedness or obligation secured
         hereby, if then due and payable; or at Lender's option may be delivered
         by Lender to Guarantors for the purpose of repairing or restoring the
         Collateral. Upon an Event of Default, Guarantors shall assign to Lender
         all right to receive proceeds of insurance not exceeding the amounts
         secured hereby, shall direct any insurer to pay all proceeds directly
         to Lender, and shall appoint Lender Guarantors' attorney in fact to
         endorse any draft or check made payable to Guarantors in order to
         collect the benefits of such insurance. If Guarantors fail to keep the
         Collateral insured as required by Lender, Lender shall have the right
         to obtain such insurance at Guarantors' expense and add the cost
         thereof to the other amounts secured hereby.

                  (d) Guarantors shall, and shall cause each of their
         Subsidiaries to, at their sole cost and expense, execute and deliver to
         Lender all such further documents, instruments and agreements and
         perform all such other acts that reasonably may be required in the
         opinion of Lender to enable Lender to exercise and enforce its rights
         as the secured party

                                       3
<PAGE>

under this Agreement and the other Security Documents and to carry out the
provisions or effectuate the purposes of this Agreement and the other Security
Documents. To the extent permitted by applicable law, Guarantors hereby
authorize Lender to file financing statements and continuation statements with
respect to the security interests granted or assigned under this Agreement and
the other Security Documents, to execute such financing statements and
continuation statements on behalf of the Guarantors and their Subsidiaries and
to do all other things it deems appropriate to perfect and continue perfection
of the security interests created hereby and to protect the Collateral. Lender
shall furnish to Guarantors copies of all such financing statements and
continuation statements filed by Lender pursuant to this SUBSECTION 3(d).

         4. SPECIAL AGREEMENTS WITH RESPECT TO TANGIBLE COLLATERAL. Guarantors
additionally agree and warrant as follows:

                  (a) Guarantors will not permit any of the Collateral to be
         removed from the location(s) specified herein, except for temporary
         periods in the normal and customary use thereof, without the prior
         written consent of Lender, and will permit Lender to inspect the
         Collateral at any time which, in the absence of a Default or an Event
         of Default, shall be during normal business hours upon reasonable prior
         written notice.

                  (b) If any of the Collateral is equipment or goods of a type
         normally used in more than one jurisdiction (regardless of whether
         actually so used), Guarantors will contemporaneously with the execution
         and delivery of this Agreement furnish to Lender a list of the
         jurisdictions wherein such equipment or goods are or will be used, and
         hereafter will notify Lender promptly in writing (1) of any other
         jurisdictions in which such equipment or goods are so used, and (2) of
         any change in the location of Guarantors' chief executive offices.

                  (c) Except as permitted by the Loan Agreement, Guarantors will
         not sell, exchange, lease or otherwise dispose of any of the Collateral
         or any interest therein without the prior written consent of Lender.

                  (d) Guarantors will keep the Collateral in good condition and
         repair (reasonable wear and tear excepted) and will pay and discharge
         all taxes, levies and other impositions levied thereon as well as the
         cost of repairs to or maintenance of same, and will not permit anything
         to be done that may impair the value of any of the Collateral in any
         material respect. If Guarantors fail to pay such sums, Lender may do so
         for Guarantors' account and add the amount thereof to the other amounts
         secured hereby.

                  (e) Prior to the occurrence of an Event of Default, Guarantors
         shall be entitled to possession of the Collateral and to use the same
         in any lawful manner, provided that such use does not cause excessive
         wear and tear to the Collateral, cause it to decline in value at an
         excessive rate, or violate the terms of any policy of insurance
         thereon.

                                       4
<PAGE>

                  (f) Guarantors will not allow the Collateral to be attached to
         real estate in such manner as to become a fixture or a part of any real
         estate, except to the extent currently attached to real estate as of
         the date hereof.

         5. SPECIAL AGREEMENTS WITH RESPECT TO INTANGIBLE AND CERTAIN TANGIBLE
COLLATERAL. Guarantors additionally warrant and agree as follows:

                  (a) Prior to the occurrence of an Event of Default, Guarantors
         shall have the right to process and sell their inventory in the regular
         course of business. Lender's security interest hereunder shall attach
         to all proceeds of all sales or other dispositions of the Collateral.
         If at any time any such proceeds shall be represented by any
         instruments, chattel paper or documents of title, then such
         instruments, chattel paper or documents of title shall be promptly
         delivered to Lender and subject to the security interest granted
         hereby. If at any time any of Guarantors' inventory is represented by
         any document of title, such document of title will be delivered
         promptly to Lender and subject to the security interest granted hereby.

                  (b) By the execution of this Agreement, Lender shall not be
         obligated to do or perform any of the acts or things provided in any
         contracts covered hereby that are to be done or performed by
         Guarantors, but upon the occurrence and during the continuance of an
         Event of Default, Lender may, at its election, perform some or all of
         the obligations provided in said contracts to be performed by
         Guarantors, and if Lender incurs any liability or expenses by reason
         thereof, the same shall be payable by Guarantors upon demand and shall
         also be secured by this Agreement.

                  (c) Upon the occurrence and during the continuance of an Event
         of Default, Lender shall have the right to notify the account debtors
         obligated on any or all of Guarantors' accounts to make payment thereof
         directly to Lender, and to take control of all proceeds of any such
         accounts. Until such time as Lender elects to exercise such right by
         notice to Guarantors, Guarantors are authorized, as agents of the
         Lender, to collect and enforce said accounts.

         6. PROTECTION OF COLLATERAL. Except for Permitted Liens, Guarantors
will not permit any liens or security interests other than those created by this
Agreement to attach to any of the Collateral, nor permit any of the Collateral
to be levied upon under any legal process, nor permit anything to be done that
may impair the security intended to be afforded by this Agreement, nor permit
any tangible Collateral to become attached to or commingled with other goods
without the prior written consent of Lender.

         7. INSPECTION AND VERIFICATION OF COLLATERAL. Lender shall have the
right, at any time, by its own auditors, accountants or other agents, to examine
or audit any of the books and records of Guarantors, or the Collateral (which,
in the absence of a Default or an Event of Default, shall be during normal
business hours), all of which will be made available upon prior written request.
Such auditors, accountants or other representatives of Lender will be permitted
to make any verification of the existence of the Collateral or accuracy of the
records that Lender deems reasonably necessary or proper. Any reasonable
expenses incurred by Lender in making

                                       5
<PAGE>

such examination, inspection, verification or audit shall be paid by Guarantors
promptly on demand and shall be secured by the security interest granted hereby,
provided that if no Event of Default has occurred or is continuing, Guarantors'
obligation to pay such expenses shall be limited to two inspections per calendar
year.

         8. DEFAULT AND REMEDIES. Upon the occurrence of an Event of Default,
Lender may proceed to exercise any and all rights and remedies provided by the
New York Uniform Commercial Code or other applicable law, as well as all other
rights and remedies possessed by Lender, all of which shall be cumulative. Upon
the occurrence of an Event of Default, and upon demand by Lender, Guarantors
shall assemble the Collateral and make it available to Lender at a place
reasonably convenient to Lender and Guarantors. Any notice of sale, lease or
other intended disposition of the Collateral by Lender sent to Guarantors at the
address set forth in the Loan Agreement, or at such other address of Guarantors
as may be shown on Lender's records, at least ten (10) days prior to such
action, shall constitute reasonable notice to Guarantors.

         Lender may waive any default before or after the same has been declared
without impairing its right to declare a subsequent default hereunder, this
right being a continuing one.

         9. POWER OF ATTORNEY. Guarantors hereby constitute the Lender or its
designee, as Guarantors' attorney-in-fact with power, upon the occurrence and
during the continuance of an Event of Default, to endorse Guarantors' name upon
any notes, acceptances, checks, drafts, money orders or other evidences of
payment or Collateral that may come into either their or the Lender's
possession; to sign the name of Guarantors on any invoice or bill of lading
relating to any of the accounts receivable, drafts against customers,
assignments and verifications of accounts receivable and notices to customers;
to send verifications of accounts receivable; to notify the Post Office
authorities to change the address for delivery of mail addressed to Guarantors
to such address as the Lender may designate; to execute any of the documents
referred to in subsection 3(d) hereof in order to perfect and/or maintain the
security interests and liens granted herein by Guarantors to the Lender; and to
do all other acts and things necessary to carry out this Security Agreement. All
acts of said attorney or designee are hereby ratified and approved, and said
attorney or designee shall not be liable for any acts of commission or omission
(other than acts of gross negligence or willful misconduct), nor for any error
of judgment or mistake of fact or law. This power, being coupled with an
interest, is irrevocable until all of the indebtedness and other obligations
secured hereby have been fully paid or performed.

         10. NOTICES. Any and all notices, elections or demands permitted or
required to be made under this Agreement shall be given as provided in the Loan
Agreement.

         11. SEVERABILITY. If any provision(s) of this Agreement or the
application thereof to any person or circumstance shall be invalid or
unenforceable to any extent, the remainder of this Agreement and the application
of such provisions to other persons or circumstances shall not be affected
thereby and shall be enforced to the greatest extent permitted by law.

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<PAGE>

         12. BINDING EFFECT. This Agreement shall inure to the benefit of
Lender's successors and assigns and shall bind Guarantors' heirs,
representatives, successors and assigns. Guarantors' obligations hereunder shall
be joint and several.

         13. TERMINATION STATEMENT. Guarantors agree that, notwithstanding the
payment in full of all indebtedness secured hereby and whether or not there is
any outstanding obligation of Lender to make future advances, Lender shall not
be required to send Guarantors a termination statement with respect to any
financing statement filed to perfect Lender's security interest(s) in any of the
Collateral, unless and until Guarantors shall have made written demand therefor.
Upon receipt of proper written demand, Lender may at its option, in lieu of
sending a termination statement to Guarantors, cause said termination statement
to be filed with the appropriate filing officer(s).

         14. GOVERNING LAW. This Agreement shall be construed and enforced under
the law of the State of Tennessee.

         15. GENERAL CONSTRUCTION. All terms used but not otherwise defined
herein that are defined or used in Article 9 of the New York Uniform Commercial
Code shall have the respective meanings assigned to them in such Article. As
used in this Agreement, the masculine, feminine and neuter genders and the
plural and singular numbers shall be deemed to include the others in all cases
in which they would so apply. "Includes" and "including" are not limiting, and
shall be deemed to be followed by "without limitation" regardless of whether
such words or words of like import in fact follow same. The word "or" is not
intended and shall not be construed to be exclusive.

                      [THIS SPACE LEFT BLANK INTENTIONALLY;
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<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement, or
have caused this Agreement to be executed by their duly authorized officers or
other representatives, as of the date first above written.

                                   GUARANTORS:

                                   GUIDELINE RESEARCH CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   TABLINE DATA SERVICES, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   GUIDELINE/CHICAGO, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   ADVANCED ANALYTICS, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   GUIDELINE CONSULTING CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   TTECH ACQUISITION CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                       8
<PAGE>

                                   LENDER:

                                   PETRA MEZZANINE FUND, L.P.

                                   By:  Petra Partners, LLC, its general partner

                                        By: /s/ Joseph D. O'Brien III
                                        ------------------------------
                                           Joseph D. O'Brien III,
                                           Managing Member

                                       9
<PAGE>

                                  SCHEDULE 3(A)

            [PLACES OF BUSINESS; LOCATIONS OF COLLATERAL AND RECORDS]

                                       10Exhibit 10.7

                     AMENDED AND RESTATED GUARANTY AGREEMENT

         THIS AMENDED AND RESTATED GUARANTY AGREEMENT ("GUARANTY"), dated July
2, 2003, is made and entered into upon the terms hereinafter set forth, by
GUIDELINE RESEARCH CORP., a New York corporation, TABLINE DATA SERVICES, INC., a
New York corporation ("TDS"), GUIDELINE/CHICAGO, INC., an Illinois corporation
("GCI"), ADVANCED ANALYTICS, INC., a New York corporation ("AAI"), GUIDELINE
CONSULTING CORP., a New York corporation ("GCC"; TDS, GCI, AAI and GCC are
sometimes hereinafter collectively referred to as the "ORIGINAL GUARANTORS"),
and TTECH ACQUISITION CORP., a Delaware corporation ("TTC"; TTC and the Original
Guarantors are sometimes hereinafter collectively referred to as the
"GUARANTOR"), in favor of PETRA MEZZANINE FUND, L.P., a Delaware limited
partnership ("CREDITOR").

                                    RECITALS:

         A. Pursuant to that certain Loan Agreement dated April 1, 2003, by and
between FIND/SVP, INC., a New York corporation ("DEBTOR"), and Creditor (the
"ORIGINAL LOAN AGREEMENT"), Creditor has made a loan to Debtor in the original
principal amount not exceeding $3,000,000 (the "ORIGINAL LOAN"), as evidenced by
that certain Promissory Note dated April 1, 2003, in the original principal
amount of the Loan, made and executed by Debtor and payable to the order of
Creditor (the "FIRST NOTE").

         B. Original Guarantors have guaranteed, among other things, the
repayment of the Loan pursuant to that certain Guaranty Agreement dated April 1,
2003, executed by Original Guarantors in favor of Creditor (the "EXISTING
GUARANTY").

         C. At Debtor's request, Creditor has agreed to make an additional loan
to Debtor in the original principal amount not exceeding $500,000 (the
"ADDITIONAL LOAN"; the Original Loan and the Additional Loan are individually
and collectively referred to herein as the "LOAN"), pursuant to that certain
Amended and Restated Loan Agreement of even date herewith, by and between Debtor
and Secured Party (the "LOAN AGREEMENT" terms not otherwise defined herein shall
have the same terms as in the Loan Agreement), and as evidenced by that certain
Promissory Note of even date herewith, in the original principal amount of
$500,000, made and executed by Debtor and payable to the order of Creditor (the
"SECOND NOTE"; the First Note and the Second Note are individually and
collectively referred to herein as the "NOTE").

         D. It is a condition of Creditor's agreement to make the Additional
Loan that TTC join in the Guaranty and that Guarantor execute and deliver this
Guaranty to Creditor.

         E. Guarantor desires to execute and deliver this Guaranty to Creditor
in order to induce Creditor to make the Additional Loan to Debtor, which will be
to the direct interest, advantage and benefit of Guarantor.
<PAGE>

                                   AGREEMENTS:

         NOW, THEREFORE, in consideration of the foregoing and other good and
valuable considerations, the receipt and sufficiency of which are hereby
acknowledged by Guarantor, and to induce Creditor to consent to the aforesaid
increase of the Loan, Guarantor hereby agrees as follows:

         1. Guarantor hereby guarantees to Creditor the full and prompt payment
and performance of (a) the indebtedness evidenced by the Note, principal and any
and all interest accrued or to accrue thereon, (b) the obligations of Debtor to
Creditor pursuant to the Note, the Loan Agreement and any and all other
instruments, documents and agreements now or hereafter further evidencing,
securing or otherwise related to the indebtedness evidenced by the Note (the
"LOAN DOCUMENTS"), and (c) any and all other indebtedness and obligations of
Debtor to Creditor, direct or contingent whether now existing or hereafter
arising and however evidenced (the aforesaid indebtedness and other obligations
are sometimes herein collectively referred to as the "GUARANTEED Obligations");
provided, however, that the liability of each Guarantor individually, with
respect to the Guarantor's obligations shall be limited to an aggregate amount
equal to the largest amount that would not render its obligations hereunder
subject to avoidance under Section 548 of the United States Bankruptcy Code or
any comparable provisions of any applicable state law. Guarantor hereby agrees
that if the Guaranteed Obligations are not timely paid or performed, as the case
may be, in accordance with the terms thereof, Guarantor immediately will pay or
perform such Guaranteed Obligations. If for any reason any payment or obligation
in respect of the Guaranteed Obligations shall be determined at any time to be a
voidable preference or otherwise shall be set aside or required to be returned
or repaid, this Guaranty nevertheless shall remain in full force and effect and
shall be fully enforceable against Guarantor for the payment or obligation set
aside, returned or repaid, as well as any other Guaranteed Obligations still
outstanding, notwithstanding the fact that this Guaranty may have been canceled,
released and returned to Guarantor by Creditor.

         2. In addition to the obligations of Guarantor to Creditor pursuant to
PARAGRAPH 1 hereof, Guarantor further agrees to pay any and all expenses
(including attorney's fees) reasonably incurred by Creditor in endeavoring to
collect or enforce the obligations of Guarantor under this Guaranty.

         3. Guarantor hereby waives notice of any breach or default by Debtor,
and hereby further waives presentment, demand, notice of dishonor and protest
with respect to any instrument now or hereafter evidencing any of the Guaranteed
Obligations.

         4. Any act of Creditor consisting of a waiver of any of the terms,
covenants or conditions of the Guaranteed Obligations, or the giving of any
consent to any matter or thing relating to the Guaranteed Obligations, or the
granting of any indulgences or extensions of time to Debtor, may be done without
notice to Guarantor and without releasing the obligations of Guarantor
hereunder.

         5. The obligations of Guarantor hereunder shall not be released or
impaired by (a) Creditor's receipt, application or release of any security at
any time given for the payment,

                                       2
<PAGE>

performance or observance of any of the Guaranteed Obligations, or (b) the
release of, or the modification of the obligations of, any other indorser,
surety or guarantor of any of the Guaranteed Obligations. Similarly, the
obligations of Guarantor hereunder shall not be released or impaired by any
amendment to or modification of any of the terms of the Guaranteed Obligations
made by Creditor and Debtor, but in the case of any such amendment or
modification, the liability of Guarantor shall be deemed modified in accordance
with the terms of any such amendment or modification.

         6. The liability of Guarantor hereunder shall in no way be affected by
(a) the release or discharge of Debtor in any creditors', receivership,
bankruptcy or other proceedings, (b) the impairment, limitation or modification
of the liability of Debtor or the estate of Debtor in bankruptcy, or of any
remedy for the enforcement of any of the Guaranteed Obligations resulting from
the operation of any present or future provision of the Federal bankruptcy law
or any other statute or the decision of any court, (c) the rejection or
disaffirmance of any instrument, document or agreement evidencing any of the
Guaranteed Obligations in any such proceedings, (d) the assignment or transfer
of any of the Guaranteed Obligations by Creditor, (e) the death or dissolution
or any disability or other defense of Debtor, or (f) the cessation from any
cause whatsoever of the liability of Debtor with respect to the Guaranteed
Obligations.

         7. Until all of the Guaranteed Obligations have been fully paid and
performed, as the case may be, any liability or indebtedness of Debtor now or
hereafter held by Guarantor is and shall be subject and subordinate to the
obligations of Debtor to Creditor under the Guaranteed Obligations.

         8. Guarantor hereby waives any claim, right or remedy that Guarantor
may now have or hereafter acquire against Debtor that arises hereunder or from
performance by Guarantor hereunder, including any claim, right or remedy of
subrogation, reimbursement, exoneration, contribution, indemnification or
participation in any claim, right or remedy of Creditor against Debtor or any
collateral now or hereafter securing the Guaranteed Obligations, regardless of
whether such claim, right or remedy arises under contract, by statute, under
common law, in equity or otherwise.

         9. This is a guaranty of payment and performance and not of collection.
The liability of Guarantor hereunder shall be direct and immediate and not
conditional or contingent upon the pursuit of any remedies against Debtor or any
other person, nor against any collateral available to Creditor. Guarantor hereby
waives any right to require that an action be brought against Debtor or any
other person or to require that resort be had to any collateral in favor of
Creditor prior to discharging its obligations hereunder. Guarantor further
waives any right of Guarantor to require that an action be brought against
Debtor under the provisions of Title 47, Chapter 12, Tennessee Code Annotated,
as the same may be amended from time to time.

         10. Guarantor hereby consents and agrees that all payments and credits
received from Debtor or Guarantor or realized from any collateral may be applied
by Creditor to the Guaranteed Obligations in such priority as Creditor in its
sole judgment shall see fit.

                                       3
<PAGE>

         11. In the event that Guarantor consists of more than one person or
entity, the obligations of Guarantor hereunder shall be joint and several, and
all references herein to "Guarantor" shall refer to each of said persons or
entities jointly and severally. This Guaranty is assignable by Creditor, and any
assignment of the Guaranteed Obligations or any portion thereof by Creditor
shall operate to vest in the assignee the rights and powers of Creditor
hereunder to the extent of such assignment. This Guaranty shall be binding upon
Guarantor and Guarantor's heirs, representatives, successors,
successors-in-title and assigns, and shall inure to the benefit of Creditor, its
heirs, representatives, successors, successors-in-title and assigns.

         12. This Guaranty shall be construed in accordance with and governed by
the laws of the State of Tennessee applicable to contracts to be performed
within said state.

         13. No amendment or modification hereof shall be effective unless
evidenced by a writing signed by Guarantor and Creditor. When used herein, the
singular shall include the plural, and vice versa, and the use of any gender
shall include all other genders, as appropriate.

         14. Guarantor hereby waives notice of acceptance of this Guaranty by
Creditor.

         15. Any reference herein to any instrument, document or agreement, by
whatever terminology used, shall be deemed to include any and all amendments,
modifications, supplements, extensions, renewals, substitutions or replacements
thereof as the context may require. When used herein, (a) the singular shall
include the plural, and vice versa, and the use of the masculine, feminine or
neuter gender shall include all other genders, as appropriate, (b) "include",
"includes" and "including" shall be deemed to be followed by "without
limitation" regardless of whether such words or words of like import in fact
follow same, and (c) unless the context clearly indicates otherwise, the
disjunctive "or" shall include the conjunctive "and".

         IN WITNESS WHEREOF, the undersigned Guarantor has executed this
Guaranty, or has caused this Guaranty to be executed by its duly authorized
representative, as of the date first above written.

                                   GUARANTOR:

                                   GUIDELINE RESEARCH CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   TABLINE DATA SERVICES, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                       4
<PAGE>

                                   GUIDELINE/CHICAGO, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   ADVANCED ANALYTICS, INC.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   GUIDELINE CONSULTING CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Vice President
                                                  ---------------

                                   TTECH ACQUISITION CORP.

                                   By: /s/ Peter Stone
                                       --------------------------
                                           Title: Treasurer
                                                  ---------------

ACCEPTED this 2nd day of July, 2003.

PETRA MEZZANINE FUND, L.P.

By:    Petra Partners, LLC, its general partner

       By: /s/ Joseph D. O'Brien, III
          ------------------------------
          Joseph D. O'Brien, III
          Managing Member

                                       6

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