| 1 | TOL | Tol Air Services, Inc. | IATA: TI, Callsign: Tol Air, | PRI | AVCODES |
| 2 | TOL | Tol-Air Services | IATA: TI | | ICAO1 |
| 3 | TOLA | TOLANI SHIPPING COMPANY LIMITED | | | SCAC4 |
| 4 | TOLB | TOLE BOOTH, THE | | | SCAC4 |
| 5 | TOLH | TOLL, VAUGHN | | | SCAC4 |
| 6 | TOLI | TOLTECA LOGISTICS INC | | | SCAC4 |
| 7 | TOLJ | TORO LOCO THE RIDE | | | SCAC4 |
| 8 | TOLL | Toll Rail | City: Tokyo | NZ | TRAFFIC |
| 9 | TOLM | TRANSPORTES LM | | | SCAC4 |
| 10 | TOLQ | TRIO LOGISTICS LLC | | | SCAC4 |
| 11 | TOLT | TRANSPORTES LOS TORRES | | | SCAC4 |
| 12 | TOLU | TRITON CONTAINER INTERNATIONAL LTD | | BM | BIC |
| 13 | TOLU | TRANS OCEAN LEASING | | | PWRC |
| 14 | TOLU | Trans Ocean Leasing | | | RSRV |
| 15 | TOLU | TRANSAMERICA LEASING INC | | | SCAC4 |
| 16 | TOLUCA | Toluca–Mexico City commuter rail | | MEX | TRAFFIC |
| 17 | TOLX | Travis Oil Co. | 8/1920 | | NAKINA |
| 18 | TOLX | Petrolite Corp., Ltd., Tretolite Co. Division | 1/1943-1/1952; eliminated 4/1953 | | NAKINA |
| 19 | TOLX | The TXL Oil Corp. | added 1/1962; eliminated 10/1962 | | NAKINA |
| 20 | TOLX | Texaco Inc. | added 10/1962; eliminated 7/1963 | | NAKINA |
| 21 | TOLX | Petrolite Corp., Ltd., Tretolite Co. Division | Jan-52 | | NRHS |
| 22 | TOLX | The TXL Oil Corp. | added 1/62 | | NRHS |
| 23 | TOLX | Texaco Inc. | eliminated 7/63 | | NRHS |
| 24 | TOLX | *TRAVIS OIL CO. | | | PWRC |
| 25 | TOLX | *PETROLITE CORP. LTD, TRETOLITE CO. DIV. | | | PWRC |
| 26 | TOLX | *TEXACO, INC. [TXL OIL CORP.] | | | PWRC |
| 27 | TOLZ | (TOLU) TRANS OCEAN LEASING | | | PWRC |
| 28 | TOLZ | Trans Ocean Leasing | | | RSRV |
| 29 | TOLZ | TRANS OCEAN LEASING | | | SCAC4 |
