| 1 | KGFD | KINGSFORD LINES LIMITED | | | SCAC3 |
| 2 | KGFG | K & G FREIGHT | | | SCAC4 |
| 3 | KGFL | KING FREIGHT LINES LIMITED | | | SCAC3 |
| 4 | KGFL | KING FREIGHT LINES LIMITED | | | SCAC4 |
| 5 | KGFR | KG FREIGHT CARRIERS INC | | | SCAC4 |
| 6 | KGFS | KG FISSER & V DOORNUM GMBH & | | | SCAC4 |
| 7 | KGFT | KG TRANSFER INC | | | SCAC4 |
| 8 | KGFX | The Kingsford Co. | added 4/1980; 1/1994-7/2000; eliminated 10/2002; added 4/2005; 7/2005; eliminated 7/2007 | | NAKINA |
| 9 | KGFX | The Kingsford Co. | added 4/80; 1/94-7/2000 | | NRHS |
| 10 | KGFX | KINGSFORD COMPANY, THE | | | PWRC |
| 11 | KGFX | Kingsford | | | RSRV |
