EXHIBIT 4.8



                                        June     , 1995


Goldman, Sachs & Co.,
Lehman Brothers Inc.,
  As representatives of the
  U.S. Underwriters,

Goldman Sachs International,
Lehman Brothers International (Europe),
  As representatives of the
  International Underwriters,

c/o Goldman, Sachs & Co.,
85 Broad Street,
New York, New York 10004.

Ladies and Gentlemen:

          The undersigned understands that BDM International, Inc. (the
"Company") proposes, pursuant to underwriting agreements by and between the
Company and you (the "Underwriting Agreements"), to issue and sell up to an
aggregate of 2,875,000 shares of the Company's Common Stock, par value $.01
per share (the "Offered Shares"), which have been registered with the
Securities and Exchange Commission in a Registration Statement filed on
March 30, 1994, File No. 33-77096, as amended (the "Registration
Statement").

          In order to induce the Company and you to execute and deliver the
Underwriting Agreements and to facilitate the orderly distribution of the
Offered Shares, the undersigned hereby agrees not to, without your prior
written consent, offer, sell, contract to sell or otherwise dispose of any
shares of Common Stock of the Company or securities of the Company that are
substantially similar to the Offered Shares, including but not limited to
any securities convertible into or exchangeable for, or that represent the
right to receive, Common Stock or any such substantially similar securities
during the period beginning on the date of the Underwriting Agreements and
continuing to and 





including the date 180 days after the date of the final Prospectus
contained in the Registration Statement and filed pursuant to Rule 424(b)
under the Securities Act of 1933, as amended.


                              By:_________________________
                                   Name:


Accepted as of the date hereof:

Goldman, Sachs & Co.               Goldman Sachs 
International

Lehman Brothers Inc.               Lehman Brothers 
International (Europe)

By: Goldman, Sachs & Co.           By: Goldman Sachs 
International


________________________________
By:__________________________________
     Goldman, Sachs & Co.          Name:
                                   Title:


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