| 1 | ZIPE | ZIPP EXPRESS LLC | | | SCAC4 |
| 2 | ZIPL | ZIPLINE LOGISTICS | | | SCAC4 |
| 3 | ZIPP | ZIPP MAYFLOWER LLC | | | SCAC4 |
| 4 | ZIPU | TANK SERVICE INC | | USA | BIC |
| 5 | ZIPU | Tank Service Inc. (Houston) | | | RSRV |
| 6 | ZIPV | ZIPS SERVICE | | | SCAC4 |
| 7 | ZIPX | Zip Transportation Co., Inc. | added 7/1965; 7/1965-1/1994; eliminated 4/1994 | | NAKINA |
| 8 | ZIPX | Zip Transportation Co., Inc. | added 7/65; 7/65-1/94; eliminated 4/94 | | NRHS |
| 9 | ZIPX | ZIP TRANSPORTATION COMPANY, INC. | | | PWRC |
| 10 | ZIPX | Zip Transportation | | | RSRV |
