| 1 | USF | USAfrica Airways, Inc. | Callsign: Africa Express, Ceased operations | USA | AVCODES |
| 2 | USF | USAfrica Airways | | | ICAO1 |
| 3 | USFA | UNIQUE SEA FARMS LTD | | | SCAC4 |
| 4 | USFB | USF BESTWAY, INC | | | SCAC1 |
| 5 | USFB | USF BESTWAY, INC. | | | SCAC3 |
| 6 | USFC | U S FUEL INC | | | SCAC4 |
| 7 | USFD | US FOODSERVICE | | | SCAC4 |
| 8 | USFG | USF EXPEDITE (DIV OF USF HOLLAND IN | | | SCAC4 |
| 9 | USFH | UNITED SYSTEMS FREIGHTWAYS LLC | | | SCAC4 |
| 10 | USFK | USF WORLDWIDE INC. | | | SCAC4 |
| 11 | USFM | USF GLEN MOORE INC (YRC GL | | | SCAC4 |
| 12 | USFN | US FREIGHT SOLUTIONS LLC | | | SCAC4 |
| 13 | USFQ | US FREIGHT LOGISTICS | | | SCAC4 |
| 14 | USFR | UNITAINER FORWARDER INC | | | SCAC4 |
| 15 | USFT | U S FREIGHT INC | | | SCAC4 |
| 16 | USFU | UNITED STATES AIR FORCE | | USA | BIC |
| 17 | USFU | U.S. DEPT. OF DEFENSE - AIR FORCE | | | PWRC |
| 18 | USFU | United States Air Force | | | RSRV |
| 19 | USFU | U S DEPARTMENT OF DEFENSE-AIR FORCE | | | SCAC4 |
| 20 | USFW | USA FORWARDERS INC | | | SCAC4 |
| 21 | USFX | U.S. Food Products Car Line Corp. | 7/1923 | | NAKINA |
| 22 | USFX | Strick Division, Fruehauf Corp. | added 4/1961; 4/1961-7/1965; eliminated 7/1966 | | NAKINA |
| 23 | USFX | Strick Division, Fruehauf Corp. | added 4/61; 4/61-7/65; eliminated 7/66 | | NRHS |
| 24 | USFX | *U.S. FOOD PRODUCTS CAR LINE CORP. | | | PWRC |
| 25 | USFX | *STRICK DIV., FRUEHAUF CORP. | | | PWRC |
