| 1 | SUB | Suburban Air Freight, Inc. | Callsign: Sub Air, | USA | AVCODES |
| 2 | SUB | Suburban Air Freight | | | ICAO1 |
| 3 | SUB | STATE SUBSIDY | | | PWRC |
| 4 | SUBA | SUPERIOR HARVEST FOODS INC | | | SCAC4 |
| 5 | SUBBUS | Miêdzygminne Przedsiêbiorstwo Komunikacyjne "SubBus" Sp. z o.o. | City: Nowa Sól | PL | TRAFFIC |
| 6 | SUBF | SUNBIRD TRANSPORT INC | | | SCAC4 |
| 7 | SUBI | SPORT SYSTEMS UNLIMITED CORP | | | SCAC4 |
| 8 | SUBJ | SUPERIOR LOGISTICA SA DE CV | | | SCAC4 |
| 9 | SUBK | SEELY SPRUILL OIL CO INC | | | SCAC4 |
| 10 | SUBL | SEGURA VALLEJO, ADAN | | | SCAC4 |
| 11 | SUBM | SUPERIOR INTERNATIONAL | | | SCAC4 |
| 12 | SUBN | SUNRISE TRUCK BROKERAGE INC | | | SCAC4 |
| 13 | SUBS | SUBSEA SEVEN 7 (US) LLC | | | SCAC4 |
| 14 | SUBT | Subotica Trans | | SR | TRAFFIC |
| 15 | SUBU | COMMISSARI | | | SCAC4 |
| 16 | SUBURB | Suburban Transit | A Coach USA company | USA | TRAFFIC |
| 17 | SUBV | STANDISH AUTO & TRAILER SALES | | | SCAC4 |
| 18 | SUBW | SUBURBAN SAME DAY DELIVERY | | | SCAC4 |
| 19 | SUBX | Doxol Gas Supply, Inc. | added 7/1961; eliminated 4/1965 | | NAKINA |
| 20 | SUBX | North American Car Corp. | added 4/1965; 7/1965-1/1975; eliminated 1/1977 | | NAKINA |
| 21 | SUBX | Doxol Gas Supply, Inc. | eliminated 4/65 | | NRHS |
| 22 | SUBX | North American Car Corp. | added 4/65; 7/65-1/75; eliminated 1/77 | | NRHS |
| 23 | SUBX | DOXOL GAS SUPPLY (NORTH AMERICAN CAR CORP.) | | | PWRC |
