| 1 | RMC | RMC Group Services Ltd. | Callsign: Readymix, | GB | AVCODES |
| 2 | RMCB | RICCOBENE MASONRY CO INC | | | SCAC4 |
| 3 | RMCC | R M C CORPORATION | | | SCAC3 |
| 4 | RMCC | RM CLASSIC CARS | | | SCAC4 |
| 5 | RMCD | ROMARCO CORPORATION | | | SCAC3 |
| 6 | RMCD | RMC TRANSPORTATION INC | | | SCAC4 |
| 7 | RMCF | ROCKY MOUNTAIN CONTRACTORS INC | | | SCAC4 |
| 8 | RMCG | RICHE, MAURICE G | | | SCAC3 |
| 9 | RMCG | REMLINGER MANUFACTURING CO INC | | | SCAC4 |
| 10 | RMCH | RAMCO TRUCKING INC | | | SCAC3 |
| 11 | RMCH | RM: Regionalverkehr Mittelland AG | Real: RM | CH | TRAFFIC |
| 12 | RMCI | RAIL MARINE CONTAINER TRANSPORT INC | | | SCAC3 |
| 13 | RMCL | RAMOS, CARLOS TRUCKING INC | | | SCAC3 |
| 14 | RMCM | R M C TRUCKING INC | | | SCAC3 |
| 15 | RMCM | RMC INC | | | SCAC4 |
| 16 | RMCO | RMC TRANSPORTATION INC | | | SCAC3 |
| 17 | RMCP | RAMCO TRUCKING INC | | | SCAC3 |
| 18 | RMCQ | R M CARTAGE INC | | | SCAC3 |
| 19 | RMCR | REMCO TRANSPORTATION CO INC | | | SCAC3 |
| 20 | RMCS | RIMARC TRANSPORTATION INC | | | SCAC4 |
| 21 | RMCU | MULTISTAR LEASING LTD | | GB | BIC |
| 22 | RMCU | RMC (TRANCOLEASING) LTD. | | | PWRC |
| 23 | RMCU | RMC Trancoleasing | | | RSRV |
| 24 | RMCU | REYNOLDS METALS COMPANY | | | SCAC3 |
| 25 | RMCU | MULTISTAR LEASING LIMITED | | | SCAC4 |
| 26 | RMCW | RICHWOOD MEAT COMPANY | | | SCAC4 |
| 27 | RMCX | Aluminum Co. of America | added 1/2009 | | NAKINA |
| 28 | RMCX | Reynolds Metals Co. | added 4/1969; 4/1970-7/2005; eliminated 10/2006; added 7/2007; eliminated 1/2009 | | NAKINA |
| 29 | RMCX | Reade Manufacturing Co., Inc. | 7/1954 (not listed); added 7/1955; 10/1957-4/1961; eliminated 10/1964 | | NAKINA |
| 30 | RMCX | Reid, Murdoch, a Division of Consolidated Grocers Corp. | 4/1947-1/1950 | | NAKINA |
| 31 | RMCX | Reid, Murdoch & Co. | 7/1935-1/1946 | | NAKINA |
| 32 | RMCX | Reid, Murdoch & Co. | Apr-38 | | NRHS |
| 33 | RMCX | Reade Manufacturing Co., Inc. | added 7/55; 10/57-4/61 | | NRHS |
| 34 | RMCX | Reynolds Metals Co. | added 4/69; 4/70-7/2000 | | NRHS |
| 35 | RMCX | *REID, MURDOCH, DIV. CONSOLIDATED GROCERS CORP. | | | PWRC |
| 36 | RMCX | *READE MANUFACTURING CO., INC. | | | PWRC |
| 37 | RMCX | +REYNOLDS METALS COMPANY | | | PWRC |
| 38 | RMCX | Reynolds Metals | | | RSRV |
| 39 | RMCX | REYNOLDS METALS COMPANY | | | SCAC3 |
| 40 | RMCY | REAL MCCOY COACH LINES, THE | | | SCAC3 |
| 41 | RMCZ | *(REAZ) RETIRED 04-06-93 ATP (ACI 2356) | | | PWRC |
| 42 | RMCZ | *RINKER MATERIALS CORP. | | | PWRC |
