EXHIBIT 21.1

                     SCHEDULE OF SUBSIDIARIES OF REGISTRANT



1.    Dynamex Operations East Inc., a Delaware corporation - 10,000 authorized
      shares of common stock, $0.01 par value, 1,000 of which are issued and
      outstanding and registered in the name of Dynamex Inc.

2.    Dynamex Operations West Inc., a Delaware corporation - 10,000
      authorized shares of common stock, $0.01 par value, 1,000 of which are
      issued and outstanding and registered in the name of Dynamex Inc.

3.    Dynamex Canada Inc., a Canadian federal corporation (formerly Parcelway
      Courier Systems Canada Ltd., an Alberta corporation) - Unlimited number
      of authorized common shares, 100 of which are issued and outstanding in
      the name of Dynamex Inc.; Unlimited number of authorized preference
      shares, 3,750,000 of which are issued and outstanding in the name of
      Dynamex Inc.

4.    Alpine Enterprises Ltd., a Manitoba corporation - Unlimited number of 4
      Classes of Voting and 4 Classes of Non-voting common shares, 290 Class A
      Voting shares which are issued and outstanding in the name of Dynamex
      Canada Inc.

5.    Road Runner Transportation, Inc., a Minnesota corporation - 25,000
      authorized common shares (consisting of 7,000 voting, 5,000 non-voting
      and 13,000 undesignated), no par value; of which 4,363.9998 non-voting
      are issued and outstanding in the name of Dynamex Inc., and of which
      6,545 voting are issued and outstanding in the name of Dynamex Inc.

6.    New York Document Exchange Corp., a New York corporation - 200 shares
      of common stock are authorized, no par value, of which 150 shares are
      issued and outstanding in the name of Dynamex Inc.

7.    Dynamex Dedicated Fleet Services, Inc., a Delaware corporation - 10,000
      authorized shares of common stock, par value $0.01, 1,000 of which are
      issued and outstanding and registered in the name of Dynamex Inc.