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                                  SCHEDULE 14A
                                 (RULE 14A-101)
 
                    INFORMATION REQUIRED IN PROXY STATEMENT
 
                            SCHEDULE 14A INFORMATION
 
       JOINT PROXY STATEMENT PURSUANT TO SECTION 14(A) OF THE SECURITIES
                EXCHANGE ACT OF 1934 (AMENDMENT NO.           )
 
     Filed by the Registrants /x/
     Filed by a Party other than the Registrant / /
     Check the appropriate box:
     / / Preliminary Proxy Statement       / / Confidential, for Use of the
                                               Commission Only (as permitted by
                                               Rule 14a-6(e)(2))
     / / Definitive Proxy Statement
     /x/ Definitive Additional Materials
     / / Soliciting Material Pursuant to Section 240.14a-11(c) or
         Section 240.14a-12
 
                 FRITZ COMPANIES, INC./INTERTRANS CORPORATION
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             (Name of Registrants as Specified in their Charters)


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    (Name of Person(s) Filing Proxy Statement, if other than the Registrants)
 
Payment of Filing Fee (Check the appropriate box):

     / / $125 per Exchange Act Rules 0-11(c)(1)(ii), 14a-6(i)(1), or 14a-6(i)(2)
         or Item 22(a)(2) of Schedule 14A.
     / / $500 per each party to the controversy pursuant to Exchange Act Rule
         14a-6(i)(3).
     / / Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and
         0-11.
 
     (1) Title of each class of securities to which transaction applies:
 
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     (2) Aggregate number of securities to which transaction applies:
 
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     (3) Per unit price or other underlying value of transaction computed
pursuant to Exchange Act Rule 0-11 (Set forth the amount on which the filing fee
is calculated and state how it was determined):
 
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     (4) Proposed maximum aggregate value of transaction:
 
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     (5) Total fee paid:
 
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     / / Fee paid previously with preliminary materials.
 
     /x/ Check box if any part of the fee is offset as provided by Exchange Act
Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid
previously. Identify the previous filing by registration statement number, or
the Form or Schedule and the date of its filing.
 
     (1) Amount Previously Paid:

         $90,730.00
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     (2) Form, Schedule or Registration Statement No.:

         Form S-4          Registration Statement No. 033-57961
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     (3) Filing Party:

                 Fritz Companies, Inc./Intertrans Corporation 
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     (4) Date Filed:

                 March 6, 1995
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   2
 
                  JOINT PROXY STATEMENT/PROSPECTUS SUPPLEMENT
                                     TO THE
             JOINT PROXY STATEMENT/PROSPECTUS DATED APRIL 25, 1995
 
                                           
            JOINT PROXY STATEMENT                               PROSPECTUS
 
            INTERTRANS CORPORATION                        FRITZ COMPANIES, INC.
            ---------------------                         ---------------------
 
        Annual Meeting of Shareholders                        Common Stock,
          to be held on May 30, 1995                     Par Value $.01 Per Share
            ---------------------
 
            FRITZ COMPANIES, INC.
            ---------------------
 
        Annual Meeting of Stockholders
          to be held on May 30, 1995


 
                             ---------------------
 
SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS
 
     As discussed on page 100 of the Joint Proxy Statement/Prospectus dated
April 25, 1995, which has been previously delivered to you, the following table
provides updated information as of April 10, 1995, as to the ownership of
Intertrans Common Stock by each person known by Intertrans to be the beneficial
owner of 5% or more of the Intertrans Common Stock.
 


                                                               AMOUNT AND NATURE
                       NAME AND ADDRESS OF                       OF BENEFICIAL       PERCENT OF
                        BENEFICIAL OWNER                         OWNERSHIP(1)          CLASS
    ---------------------------------------------------------  -----------------     ----------
                                                                               
    FMR Corp.(2).............................................      1,478,400            13.0%
    Luther King Capital Management Corporation(3)............        791,950             6.9%
    Quest Advisory Corp.(4)..................................        578,900             5.1%

 
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(1) Except as otherwise indicated, (a) none of the shares in this table or
    referred to in the notes hereto are shares of which the persons named in
    this table have the right to acquire beneficial ownership as specified in
    Rule 13d-3(d)(1) promulgated under the Exchange Act, and (b) each person
    named in this table possesses sole voting and investment power with respect
    to the shares shown as owned by such person.
 
(2) Includes shares owned by FMR Corp.'s subsidiaries, Fidelity Management and
    Research Company and Fidelity Management Trust Company.
 
(3) Based on Schedule 13G filed by Luther King Capital Management Corporation on
    February 9, 1995.
 
(4) Includes 29,800 shares owned by Quest Management Company. Charles M. Royce,
    a controlling person of Quest Advisory Corp. and Quest Management Company,
    may be deemed to be the beneficial owner of the shares held by them.
 
     Capitalized terms used herein and not otherwise defined shall have the
meanings set forth in the Joint Proxy Statement/Prospectus dated April 25, 1995.
 
     ENCLOSED IS A PROXY CARD RELATING TO THE ACTIONS TO BE TAKEN AT THE ANNUAL
MEETING. IN THE EVENT THAT YOU HAVE PREVIOUSLY PROVIDED YOUR PROXY AND WISH TO
CHANGE YOUR VOTE IN ANY RESPECT, PLEASE COMPLETE, SIGN, DATE AND RETURN YOUR
PROXY IN THE ENCLOSED ENVELOPE.
 
 The date of this Joint Proxy Statement/Prospectus Supplement is May 10, 1995.