| 1 | KRR | Kiamichi R.R. Co., L.L.C. | added 10/1996; 7/2000-7/2005 | | NAKINA |
| 2 | KRR | Kiamichi R.R. Co., L.L.C. | added 10/1996; 7/2000-7/2005 | | NAKINA |
| 3 | KRR | Kiamichi R.R. Co., Inc. | added 1/1988; 1/1994; eliminated 10/1996 | | NAKINA |
| 4 | KRR | Kiamichi R.R. Co., Inc. | added 1/88; 1/94; eliminated 10/96 | | NRHS |
| 5 | KRR | Kiamichi R.R. Co., L.L.C. | added 10/96; 7/2000 | | NRHS |
| 6 | KRR | KIAMICHI RAILROAD CO., LLC | | | PWRC |
| 7 | KRR | Kiamichi Railroad | | | RSRV |
| 8 | KRR | KIAMICHI RAILROAD COMPANY LLC | | | SCAC4 |
| 9 | KRR | Kiamichi R.R. Co., L.L.C. | | USA | TRAFFIC |
| 10 | KRRB | KERRIGAN BROS INC | | | SCAC3 |
| 11 | KRRC | KERR COACH | | | SCAC3 |
| 12 | KRRC | KERR, COLIN HOLDINGS LTD | | | SCAC4 |
| 13 | KRRG | KREGER TRANSPORT INC | | | SCAC4 |
| 14 | KRRI | KARRIE TRANSPORTATION INC | | | SCAC3 |
| 15 | KRRL | KRAUSE, R L TRUCKING INC | | | SCAC3 |
| 16 | KRRL | K & R TRANSPORT II LLC | | | SCAC4 |
| 17 | KRRN | KEMCO RESOURCES INC | | | SCAC4 |
| 18 | KRRP | KRISP TRUCKING INC | | | SCAC4 |
| 19 | KRRS | K & R REPAIR SERVICE INC | | | SCAC4 |
| 20 | KRRT | KRUEGER, R TRUCKING | | | SCAC3 |
| 21 | KRRW | KERR, WILMER L | | | SCAC3 |
| 22 | KRRY | KARRY ALL ENTERPRISES LLC | | | SCAC4 |
