| 1 | JRS | JACKSON-ROCK SPRINGS STAGES INC | | | SCAC4 |
| 2 | JRS | Shikoku Railway Company (JR Shikoku) | | J | TRAFFIC |
| 3 | JRSA | JRS LOGISTICS INC | | | SCAC4 |
| 4 | JRSC | JAROSZ TRUCKING | | | SCAC4 |
| 5 | JRSD | J R SPECIAL DELIVERY INC | | | SCAC4 |
| 6 | JRSF | JR'S FREIGHT SERVICE INC | | | SCAC4 |
| 7 | JRSG | J R S LOGGING INC | | | SCAC4 |
| 8 | JRSH | JR SHIPMANAGEMENT BV | | | SCAC4 |
| 9 | JRSK | JRS TRUCKING SERVICE INC | | | SCAC4 |
| 10 | JRSL | JR'S TRUCKING | | | SCAC4 |
| 11 | JRSM | JRS DISCOUNT FUELS INC | | | SCAC4 |
| 12 | JRSP | J & R'S LANDSCAPING & TRUCKING LLC | | | SCAC4 |
| 13 | JRSQ | JUST RIGHT SERVICES INC | | | SCAC4 |
| 14 | JRST | JRS TRUCKING INC | | | SCAC4 |
| 15 | JRSW | JR'S TOWING INC | | | SCAC4 |
| 16 | JRSX | J.R. Simplot Co. | added 10/1960; 4/1961-4/1970; eliminated 1/1974; added 10/1987; 1/1994-7/2005 | | NAKINA |
| 17 | JRSX | J.R. Simplot Co. | added 10/60; 4/61-4/70; eliminated 1/74; added 10/87; 1/94-7/2000 | | NRHS |
| 18 | JRSX | J. R. SIMPLOT COMPANY | | | PWRC |
| 19 | JRSX | J. R. Simplot | | | RSRV |
| 20 | JRSX | J R SIMPLOT COMPANY | | | SCAC4 |
| 21 | JRSZ | J & R SCHUGEL TRUCKING INC | | | SCAC4 |
