| 1 | SGK | Skyward Aviation Ltd. | IATA: K9, Callsign: Skyward, Designator K9 reinstated by IATA | CDN | AVCODES |
| 2 | SGK | Supreme Aviation | Callsign: Supreme, Ceased opeations. | KS | AVCODES |
| 3 | SGK | Skyward Aviation | | | ICAO1 |
| 4 | SGKA | STURGEON CREEK ARABIANS | | | SCAC4 |
| 5 | SGKB | STRONG TRUCKING INC | | | SCAC4 |
| 6 | SGKC | SPRING CREEK CARRIERS INC | | | SCAC4 |
| 7 | SGKD | STRINGER TRUCKING | | | SCAC4 |
| 8 | SGKF | SHIP RIGHT TRUCKING INC | | | SCAC4 |
| 9 | SGKG | SLINGER TRUCKING INC | | | SCAC4 |
| 10 | SGKH | S G L TRUCKING LTD | | | SCAC4 |
| 11 | SGKI | S G TRUCKING INC | | | SCAC4 |
| 12 | SGKJ | SOUTHGATE TRUCKING LLC | | | SCAC4 |
| 13 | SGKK | STRONG, C TRUCKING INC | | | SCAC4 |
| 14 | SGKN | SPRING CREEK SIMMENTALS | | | SCAC4 |
| 15 | SGKO | SEAGULL TRUCKING MOVEMENTS INC | | | SCAC4 |
| 16 | SGKP | SIGMA TRUCKLINES | | | SCAC4 |
| 17 | SGKQ | SHEMON, GARY TRUCKING INC | | | SCAC4 |
| 18 | SGKR | STRAIGHT TALK EXPRESS | | | SCAC4 |
| 19 | SGKS | SMITH, H G TRUCKING LLC | | | SCAC4 |
| 20 | SGKT | SGK TRANSPORT | | | SCAC4 |
| 21 | SGKU | SYNERGY GASES (K) LTD | | EAK | BIC |
