| 1 | SST | Sunwest Airlines Ltd. | Callsign: Sunflight, | CDN | AVCODES |
| 2 | SST | Royal Canadian Mounted Police | Callsign: Stetson, | CDN | AVCODES |
| 3 | SST | Sunwest Airlines | | | ICAO1 |
| 4 | SSTB | SAMSON TUG AND BARGE CO | | | SCAC1 |
| 5 | SSTB | SAMSON TUG AND BARGE COMPANY INC | | | SCAC4 |
| 6 | SSTC | SOUTHEAST SERVICE TRANSPORT LLC | | | SCAC4 |
| 7 | SSTE | S & S TRANSPORT INC | | | SCAC4 |
| 8 | SSTF | SIX ONE SIX TWO FOUR ONE ZERO (6162 | | | SCAC4 |
| 9 | SSTI | STONE, SHELBY TRUCKING INC | | | SCAC4 |
| 10 | SSTK | SERVIES AND SHIRAR TRUCKING INC | | | SCAC4 |
| 11 | SSTL | SHORT & SASSY TRUCKIN LLC | | | SCAC4 |
| 12 | SSTN | SEANOSTRUM TANKER LIMITED | | | SCAC4 |
| 13 | SSTO | S&S TRANSPORTATION, INC | | | SCAC1 |
| 14 | SSTO | SCOT & SCOTT TRUCKING OF ANTIGO LLC | | | SCAC4 |
| 15 | SSTP | S & S TRANSPORT | | | SCAC4 |
| 16 | SSTQ | S S T S INC | | | SCAC4 |
| 17 | SSTR | SUPOR, J & SON TRUCKING & RIGGING C | | | SCAC4 |
| 18 | SSTS | SMITH & SON TRANSPORT | | | SCAC4 |
| 19 | SSTU | SILVERSEA S.L | | E | BIC |
| 20 | SSTU | SOUTH SEAS STEAMSHIP | | | SCAC1 |
| 21 | SSTV | STATE TO STATE VAN LINES INC | | | SCAC4 |
| 22 | SSTX | Edman Corp. d/b/a Schnitzer Steel | 7/2005 (not listed) | | NAKINA |
| 23 | SSTX | EDMAN CORP. d/b/a SCHNITZER STEEL | | | PWRC |
| 24 | SSTX | SCHNITZER STEEL | | | SCAC4 |
| 25 | SSTY | SMITH SYSTEMS TRANSPORTATION INC | | | SCAC4 |
