ALE   -   ATA   -   BENDIX   -   BLUE BIRD    -    DELCO ELECTRONICS

    ECCO    -    HIGHWAYMASTER   -    ISSPRO   -   INTERSTATE INDUSTRIES      

      MACK TRUCKS   -   MGM BRAKES  -  MIDLAND-GRAU  -  MOTO MIRROR         

   MULTI-SHIFTER   -   NHTSA   -   OTTAWA TRUCK   -   PENSKE   -   PETERBILT

      PURKEY’S FLEET ELECTRICS   -   QUALCOMM   -   ROADWAY EXPRESS

  RYDER   -   ROADWAY   -   SCAN    -    SPRAGUE    -    STEWART & STEVENSON  

      STEWART WARNER   -  TECH DEVELOPMENT    -    TMC   -   TRUCK-LITE               

             USD      -       UPS      -      VOLVO GM     -      WEBB      -      YALE