Document:

Exhibit 4(c)

                LOCK-UP AGREEMENT FOR BSI2000, INC. SHAREHOLDERS

This Lock-Up Agreement (the "Agreement") is between BSI2000, Inc. ("BSI") and
its Shareholders as listed on Exhibit A to this agreement.

Where As BSI has entered into a Merger Agreement dated April 23, 2002 with
Knowledge Foundations, Inc., a Delaware Corporation ("KFI") and

Where As the Merger Agreement requires as a condition of KFI's obligation to
close that BSI shareholders execute agreements not to sell the KFI shares they
will receive (the "KFI shares") into the public market, therefore

In Consideration of the KFI shares to be received by the Shareholders upon the
closing of the merger, BSI and its Shareholders, with respect to the KFI shares
to be received in exchange for the BSI shares held by the Shareholders (the
number of KFI shares is set forth on Exhibit A),

Agree As Follows:

      1.    All Officers, Directors, Affiliates, and Employees agree not to sell
            their KFI shares in the public market for a period of two years from
            the effective date of the merger.

      2.    All BSI Shareholders not covered by 1 above agree not to sell their
            KFI shares in the public market for a period of one year from the
            effective date of the merger. The foregoing notwithstanding, the KFI
            shares to be received by D. David Breen in exchange for 250,000 BSI
            shares, the KFI shares to be received by Bernie Ciazza in exchange
            for 30,000 BSI shares, and the KFI shares to be received by John
            Sloan in exchange for 30,000 BSI shares shall be exempt from this
            agreement.

      3.    This Agreement does not prohibit the sale of the shares which are
            the subject of this Agreement from being sold in private
            transactions pursuant to Section 4(1) of the Securities Act so long
            as the transferee agrees to abide by the remaining term of this
            Agreement. In all such transactions compliance with the terms of
            this Agreement must be established to the satisfaction of the KFI.

      4.    Stop transfer instructions will be issued to the stock transfer
            agent for all shares which are the subject of this Agreement. All
            certificates representing ownership of shares with are the subject
            of this Agreement will bear the following legend:

            "Any sale or transfer of the shares represented by this certificate
            is subject to a Lock-Up Agreement between the Company and the
            shareholder. Any sale or transfer of the shares represented by this
            certificate must be in accordance with the terms of the Agreement
            and compliance with the terms of the Agreement must be established
            to the satisfaction of the Company."

      5.    This Agreement will terminate with respect to all shares and
            Shareholders immediately upon KFI generating $10 million in gross
            revenues on a consolidated basis (including revenues generated by
            BSI) subsequent to the effective date of the merger.

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      The BSI shareholders agree that the number of KFI shares and certificate
numbers thereof will be added to Exhibit A immediately after the closing of the
merger.

      This Agreement may be executed in counter parts and faxed signatures shall
be accepted as original signatures.

                                   SIGNATURES

      BSI2000, Inc.

      By
        ------------------------------             -----------------------------
        Jack Harper, President                                 Date

      SHAREHOLDERS:

      --------------------------------             -----------------------------
      Shareholder                                              Date

      --------------------------------             -----------------------------
      Shareholder                                              Date

      --------------------------------             -----------------------------
      Shareholder                                              Date

      --------------------------------             -----------------------------
      Shareholder                                              Date

      --------------------------------             -----------------------------
      Shareholder                                              Date

                                       2
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                 AGREEMENT TO STAND ASIDE FROM THE PUBLIC MARKET
                                    EXHIBIT A

<TABLE>
<CAPTION>
                                                  BSI Shares Subject             KFI Shares Subject
                                                  to the Agreement                to the Agreement
Shareholder (*** denotes officer,                 ----------------                ----------------
director, affiliate or employee of BSI):       Cert. #          Shares         Cert. #          Shares
----------------------------------------       -------          ------         -------          ------
<S>                                            <C>              <C>            <C>              <C>

</TABLE>

                                       3Exhibit 4(d)

                                  BSI2000, INC.
                               WARRANT CERTIFICATE

      THESE SECURITIES HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933
      OR THE LAWS OF ANY STATE. THEY MAY NOT BE SOLD OR OTHERWISE TRANSFERRED
      UNLESS THEY ARE REGISTERED UNDER SUCH ACT AND ANY APPLICABLE STATE
      SECURITIES LAWS OR AN EXEMPTION FROM REGISTRATION IS AVAILABLE.

                               [800,000] Warrants

      This warrant certificate ("Warrant Certificate") certifies that for value
received Pursuit Capital LLC (the "Holder") is the owner of the number of
warrants ("Warrants") specified above, each of which entitles the Holder to
purchase at any time on or before the Expiration Date (hereinafter defined) one
fully paid and non-assessable share of the no par value Common Stock ("Common
Stock") of BSI2000, Inc., a Colorado corporation (the "Company"), at a price of
$.625 per share.

      1. Exercise Price

      Each Warrant shall entitle the Holder to purchase one share of Common
Stock of the Company and the purchase price payable upon the exercise of each
warrant shall initially be $.625 per share of Common Stock, subject to
adjustment as hereinafter provided (the "Purchase Price"). The Purchase Price
and number of shares of Common Stock issuable upon exercise of each Warrant are
subject to adjustment as provided under Article 3.

      2. Expiration Date

            2.1 The Warrants are exercisable, at the option of the Holder, at
any time after the issuance and on or before the Expiration Date, upon the
surrender of this Warrant Certificate to the Company together payment of an
amount equal to the Purchase Price times the number of Warrants to be exercised.
In the case of exercise of less than all the Warrants represented by this
Warrant Certificate, the Company shall cancel the Warrant Certificate and shall
issue a new Warrant Certificate for the balance of such Warrants.

            2.2 The term "Expiration Date" shall initially mean 5:00 p.m. Denver
time on [January 31, 2003] or if such date shall in the State of Colorado be a
holiday or a day on which banks are authorized to close, then 5:00 p.m. Denver
time on the next following date which in the State of Colorado is not a holiday
or a day on which banks are authorized to close.

      3. Adjustment of Purchase Price and Number of Shares Deliverable

      The number of shares of Common Stock purchasable upon the exercise of each
Warrant and the Purchase Price of the Common Stock shall be adjusted on a pro
rata basis for all stock dividends, stock distributions, and forward and reverse
stock splits.

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      4. Effect of Consolidation or Merger

      In the case of the consolidation or merger of the Company with another
corporation (other than a consolidation or merger in which the outstanding
shares of the Company's Common Stock are not converted into or exchanged for
other rights or interests), or in the case of any sale, transfer or other
disposition to another corporation of all or substantially all of the assets of
the Company, the Holder of each Warrant shall thereafter be entitled to purchase
the kind and amount of shares of stock and other securities and property which
the Holder would have been entitled to receive had such Warrants been exercised
immediately prior to the effective date of such consolidation, merger, sale,
transfer or other disposition.

      5. Governing Law

      This Warrant Certificate shall be governed by and construed in accordance
with the laws of the State of Colorado.

      IN WITNESS WHEREOF, the Company has caused this Warrant Certificate to be
duly executed by its president thereunto duly authorized as of this 5th day of
June 2002.

                                           BSI2000, INC.

                                           By: /s/Jack Harper
                                               ---------------------------------
                                                  Jack Harper, President

                                       2Exhibit 10.4

                          STRATEGIC ALLIANCE AGREEMENT

This Strategic Alliance Agreement is made and entered into this 4th day of May
2000 by and between BSI2000, Inc. ('BSIX'), a Colorado corporation with offices
located at 12600 West Colfax Avenue, Suite B410 Lakewood, Colorado 80215, and
Drug Intervention Services of America, Inc. ('DISA'), a Texas corporation with
offices located at 10750 Hammerly Boulevard Houston, Texas 77043.

WHEREAS, BSIX designs, builds, and markets proprietary and patent pending
systems for various applications that use optical cards and wishes to team, on
an exclusive basis, with DISA for the joint purpose of introducing and marketing
and selling optical card related products into the general drug and alcohol
testing markets;

WHEREAS, DISA specializes in the development and administration of mandated
federal, state, company, and contractor drug and alcohol testing programs and
wishes to team, on an exclusive basis, with BSIX for the joint purpose of
introducing and marketing and selling optical card related products into such
drug and alcohol testing markets.

THEREFORE, in consideration of the mutual covenants hereinafter set forth, the
parties to this Strategic Alliance Agreement agree as follows:

1.    Strategic Alliance. The parties agree to work together in good faith, on a
      best efforts basis, to further develop and market on a worldwide basis, as
      quickly as practical, the family of drug and alcohol testing optical card
      products, developed by BSIX, named 'DISA 2000'.

2.    Specific Exclusive Markets. The parties agree that only DISA and its
      agents will have the exclusive right to market and sell the products of
      BSIX into the following segments on a worldwide basis: mandated
      governmental, company, and contractor drug and alcohol testing, including
      US Department of Transportation regulated personnel (federal highway,
      pipeline, airlines, coast guard, railroad, and nuclear); site access and
      control for the petroleum and chemical industries; administration of
      worker's compensation; insurance for construction sites; and construction
      contractor consortiums (collectively 'Exclusive Markets'). BSIX agrees
      that it will not, during the term of this Strategic Alliance Agreement,
      design, market, or sell, either solely or in partnership or cooperation
      with any third-party, any optical card based products into the Exclusive
      Markets without the express written preauthorization of DISA. DISA agrees
      that it will not, during the term of this Strategic Alliance Agreement,
      design, market, or sell, either solely or in partnership or cooperation
      with any third-party, any optical card based products, other than those
      provided by BSIX, into the Exclusive Markets without the express written
      preauthorization of BSIX.

3.    Responsibilities of BSIX. BSIX agrees that it will use its best efforts
      to: work closely with DISA to understand the requirements of customers in
      the Exclusive Markets in order to develop and provide, in a timely manner,
      manufactured products that DISA can sell; assist DISA by preparing and
      producing marketing and training materials relative to the optical card
      component of the DISA 2000 in sufficient quantities to support the DISA
      sales force; and support DISA in any way practical to further the goal of
      selling product into the Exclusive Markets. BSIX agrees that it will be
      responsible for development costs directly related to optical card
      transaction processing units as modified for the Exclusive Markets
      provided that BSIX has agreed to make such modifications.

4.    Responsibilities of DISA. DISA agrees that it will use its best efforts
      to: work closely with BSIX to educate BSIX about the requirements of
      customers in the Exclusive Markets; keep BSIX informed

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      about its general activities in marketing and selling optical card related
      products into the Exclusive Markets; and actively market and sell the DISA
      2000 family of optical card products into the Exclusive Markets. DISA
      expects to make an investment over the next five years of approximately
      $5.0-million to market the DISA 2000 family. Further, the Parties
      acknowledge that DISA has created a five (5) year business plan that
      reflects the intent of DISA incorporating approximately 60-70 sales
      professionals operating in the Exclusive Markets. These sales
      representatives will promote the sales and support of DISA 2000 as an
      integral part of the DISA product offering.

5.    Ownership of Technology. The parties agree that ownership of all
      associated technology, already developed or to be developed, will not
      change as a result of this Strategic Alliance Agreement. The parties agree
      that BSIX will retain all rights and ownership of all software and
      hardware technology and all patents, that it has already developed or will
      develop, that is contained within or used by the optical card transaction
      processing units.

6.    Term of Agreement. This Strategic Alliance Agreement shall become
      effective on the date hereinabove first shown and the term of the
      Strategic Alliance Agreement shall be for five (5) years after the
      effective date of the Strategic Alliance Agreement unless mutually
      extended, in writing, by the parties or canceled as allowed in paragraph 9
      titled Termination of Agreement.

7.    Confidential Information. The parties acknowledge that certain business or
      technical information that may be disclosed by either party to the other
      represents valuable, proprietary, and trade secret information that is the
      property of the disclosing party. Such information includes, but is not
      limited to, unpublished product specification and related technical data
      such as drawings, data, source computer programs, software, and other
      items; customer lists; marketing plans; the internal organization,
      business relationships and other affairs of the disclosing party; and
      other items (hereinafter 'Proprietary Information'). The parties agree,
      that during the course of this Strategic Alliance Agreement, and at all
      times thereafter, as specified herein, to keep all Proprietary Information
      confidential which disclosing parties indicate, in writing, at the time of
      disclosure, to be proprietary, and to not disclose Proprietary Information
      to any third party without the express written approval of the disclosing
      party other than to those employees or agents that must have access to
      Proprietary Information in order to effectively perform the obligations
      under the Strategic Alliance Agreement. The parties each agree to take the
      same steps that they each utilize to protect their own similar proprietary
      information, but in any event not less than reasonable means, to protect
      all Proprietary Information received hereunder. The obligations of the
      parties that receive Proprietary Information, as set forth above, shall
      not apply to any disclosed information that appears in any printed or
      recorded public publication or that ceases to be proprietary other than by
      disclosure by any party; or that can be shown, by documentary evidence, to
      have been in the possession of a receiving party, prior to receipt
      hereunder; or that is available or becomes available, without restriction
      to the receiving party, from a source independent of the disclosing party;
      or that is agreed to be unrestricted by the disclosing party in writing;
      or that is developed independently by the receiving party; or that is
      required to be disclosed by the recipient party by a government agency or
      other legal authority, so long as the recipient party provides the
      disclosing party with written notice of the required disclosure promptly
      upon receipt of notice of the required disclosure; or that is not received
      by the receiving party, in tangible form and conspicuously marked
      'proprietary', 'confidential' or some such similar designation. The
      obligations of the receiving party with regard to Proprietary Information
      shall survive the termination or expiration of this Strategic Alliance
      Agreement for a period of three (3) years.

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<PAGE>

8.    Terms of Sales, Pricing and Commissions.

      (a)   DISA 2000 Systems. The parties agree that DISA shall purchase the
            DISA 2000 from BSIX for resale to third parties; provided, that any
            such transaction shall be limited so as to only embody a license to
            the end user to use any software, firmware, or similar intellectual
            property incorporated into the DISA 2000, and any "bill of sale" or
            purchase order shall so reflect such restricted terms of sale. The
            parties also agree that the initial list pricing of the BSIX systems
            sold by DISA will be $ per optical card; $ for standard DISA 2000
            transaction terminals; $ for enrollment DISA 2000 terminals; and $
            per transaction. DISA shall not represent anything to the contrary
            in connection with such transactions, and shall indemnify and hold
            BSIX harmless from any breach of this provision. DISA shall pay BSIX
            for the DISA 2000 in an amount equal to a discount from the price
            that DISA sells the DISA 2000 to such third party; provided,
            however, that BSIX shall establish a minimum price to be received by
            BSIX for DISA 2000 product (including all components and accessories
            for use therewith), so as to assure that BSIX is not required to
            sell the DISA 2000 system at less than BSIX's cost, plus a
            reasonable markup. BSIX shall provide DISA with a current schedule
            setting forth the minimum price to be received by it from time to
            time, and BSIX may change such pricing on 60 (sixty) days prior
            written notice to DISA, which shall become effective for all
            purchase orders received from DISA after its effective date (but no
            less than 60 (sixty) days after such schedule is provided to DISA).
            Payment to BSIX by DISA shall be due on a Net 30 days basis unless
            negotiated otherwise on a case-by-case basis. BSIX will consult with
            DISA in advance prior to any change in pricing to be effected
            hereunder. Risk of loss shall pass to DISA upon delivery of DISA
            2000 systems to DISA or to the end customer, as the case may be. No
            purchase order submitted by DISA to BSIX that contains terms that
            are contrary to these general provisions shall be binding on BSIX.
            No purchase order submitted by DISA to BSIX shall be binding on BSIX
            until accepted by BSIX. The DISA 2000 shall be warranted to the end
            user by BSIX according to a one (1) year term. Warranty service
            during the term of such warranty shall be at the expense of BSIX,
            pursuant to its standard warranty.

      (b)   Accessories. The parties agree that accessories (such as optical
            cards) that are used in conjunction with the DISA 2000 or
            stand-alone maintenance agreements may be purchased from BSIX by
            DISA on the same pricing terms as the DISA 2000 systems.

      (c)   Transaction Fees. The parties acknowledge that an integral component
            of the transaction involving the sale of a DISA 2000 is ongoing
            transaction fees paid to DISA by the end user of the DISA 2000
            system. BSIX shall be paid percent of such transaction fees
            generated by the DISA 2000. Payment shall be due to BSIX thirty (30)
            days after such fees are received from the end user by DISA. Such
            payments shall continue for the life of the installed systems sold
            by DISA.

9.    Termination of Agreement. This Strategic Alliance Agreement, other than as
      limited by the above paragraph 7 titled Confidential Information, shall
      automatically terminate upon the happening of any one of the following
      events: (a) A party ceases to actively carry on business; (b) A party
      fails to remedy a default of any of the terms, covenants or conditions,
      contained in this Strategic Alliance Agreement, within thirty (30) days
      after being requested, in writing by the other party, to do so; or (c) A
      party becomes insolvent, exercises an assignment for the benefit of
      creditors, goes into liquidation, or has a trustee appointed for the
      benefit of creditors. The parties agree that BSIX has the right to
      terminate this Strategic Alliance Agreement if amounts received by BSIX
      hereunder are less than $ , $ , $ , and $ in the years 2001, 2002, 2003,
      and 2004 respectively. In the event of termination of this Strategic
      Alliance Agreement, for any reason, each party shall return all

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      Proprietary Information and any loaner equipment to the other party within
      10 days of such termination.

10.   Miscellaneous.

      (a)   Enforceability. Should any provision of this Strategic Alliance
            Agreement be held by a court of law to be illegal, invalid, or
            unenforceable, then the legality, validity, and enforceability of
            the remaining provisions of this Strategic Alliance Agreement shall
            not be affected or impaired thereby.

      (b)   Waiver. The failure of any party to enforce any of the terms and
            conditions of this Strategic Alliance Agreement shall not constitute
            a waiver of that party's right hereunder to enforce each and every
            term and condition of this Strategic Alliance Agreement or upon
            reasonable notice to require correction of a default previously
            waived.

      (c)   Governing Laws. This Strategic Alliance Agreement shall be deemed to
            have been entered into and shall be interpreted and governed by the
            laws of the State of Texas.

      (d)   Headings. The headings used in this Strategic Alliance Agreement are
            for organizational purposes only and are not to be used in the
            interpretation of this Strategic Alliance Agreement.

      (e)   Total Agreement. This Strategic Alliance Agreement sets forth the
            entire agreement of the parties with respect to its subject matter
            and supersedes all prior agreements (including the "Teaming
            Agreement" entered into by the parties in 1998), commitments, or
            representations of any kind, oral or written, and may only be
            amended or modified, in writing, by mutual consent of duly
            authorized representatives of all of the parties.

      (f)   Assignability. Neither party may assign its obligations under this
            Strategic Alliance Agreement without the written consent of the
            other party, which consent shall not be unreasonably withheld.

      (g)   Benefit; Successors and Assigns. This Strategic Alliance Agreement
            shall inure to the benefit of, and be binding upon, the parties and
            their permitted successors and assigns.

      (h)   Communications and Notices. All communications and notices provided
            for in this Strategic Alliance Agreement shall be in writing and
            will be given by facsimile (with delivery confirmed by the party
            giving notice), express courier holding itself out as able to make
            delivery within one business day of receipt, hand delivery receipted
            by the addressee, or by mail (postage-paid, certified or registered
            mail, return receipt requested) to such address and for such
            attention, as any party may from time to time designate by notice in
            writing from one party to the other, as the case may be. Notice will
            be effective one business day after delivery to a telegraph company
            or express courier, three business days after deposit in the U.S.
            Mail as provided above, or upon receipt if hand-delivered or
            facsimile-delivered as of a Business Day, or as of the following
            Business Day if delivered or facsimile-delivered as of a day that is
            not a Business Day. A "Business Day" is any day other than a
            Saturday or Sunday on which banks in the State of Texas are open for
            business. The present addresses of the parties are as set forth in
            the first paragraph of this Strategic Alliance Agreement. The
            present facsimile numbers of the parties as follows:

                               DISA: 713-972-3454
                               BSIX: 303-231-9002

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<PAGE>

      (i)   Delays, Omissions, and Waivers. No delay or omission to exercise any
            right, power or remedy accruing to any party upon any breach or
            default by any party under this Strategic Alliance Agreement will
            impair any such right, power or remedy nor will it be construed to
            be a waiver of any such breach or default, or an acquiescence
            therein, nor will any similar breach or default be deemed a waiver
            of any other breach or default theretofore or thereafter occurring;
            nor will any waiver of any single breach or default be deemed a
            waiver of any other breach or default theretofore or thereafter
            occurring. Any waiver, permit, consent or approval of any kind or
            character on the part of any party as to any provision or condition
            of this Strategic Alliance Agreement, must be in writing and will be
            effective only to the extent specifically set forth in such writing.

IN WITNESS WHEREOF, the parties have executed this Strategic Alliance Agreement
in two originals as of the day and year first above written.

B512000, Inc.                        Drug Intervention Services of America, Inc.

/s/Jack Harper                       /S/ Dexter Morris
-----------------------------        -------------------------------------------
Jack Harper, President               Dexter Morris, President

                                       5

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