| 1 | RCT | Ryan Air Service, Inc. | Callsign: Arctic Transport, | USA | AVCODES |
| 2 | RCT | Rectimo Air Transport | | F | AVCODES |
| 3 | RCT | Skyview Airways Co., Ltd. d/b/a Skyview | IATA: RK, Callsign: Green Sky, Founded in 2012. | T | AVCODES |
| 4 | RCT | Ryan Air Service | | | ICAO1 |
| 5 | RCT | Railcare Tåg AB | 2008 - | S | svenska-lok.se |
| 6 | RCT | Railcare Tåg AB | 2008 | S | TRAFFIC |
| 7 | RCT | Railcare Tåg AB | | SE | VKM |
| 8 | RCTB | RIVER CITY TOURS | | | SCAC3 |
| 9 | RCTC | RICO TILE COMPANY INC | | | SCAC3 |
| 10 | RCTC | RICHTER TRUCKING | | | SCAC4 |
| 11 | RCTD | ROCKING C TRUCK LINES INC | | | SCAC3 |
| 12 | RCTD | ROCKING C TRUCK LINES INC | | | SCAC4 |
| 13 | RCTF | R C TRANSFER INC | | | SCAC3 |
| 14 | RCTF | RICO, CHANO TRUCKING INC | | | SCAC4 |
| 15 | RCTG | R C TRUCKING | | | SCAC3 |
| 16 | RCTG | ROYAL CANADIAN TRUCKING INC | | | SCAC4 |
| 17 | RCTH | ROBINSON, C P TRUCKING & HOT SHOT S | | | SCAC3 |
| 18 | RCTI | RICHERT, C L TRUCKING INC | | | SCAC3 |
| 19 | RCTK | RICHARDS TRUCKING LINE | | | SCAC3 |
| 20 | RCTK | REMORQUAGE COATICOOK | | | SCAC4 |
| 21 | RCTL | RUSSMAN, CHARLIE TRUCKING INC | | | SCAC4 |
| 22 | RCTM | R & C TRUCKS INC | | | SCAC3 |
| 23 | RCTN | RICKY T INC | | | SCAC4 |
| 24 | RCTO | RICHARDS TRUCKING | | | SCAC3 |
| 25 | RCTO | ROCA ETERNA TRANSPORTATION | | | SCAC4 |
| 26 | RCTP | RICH TRANSPORT INC | | | SCAC3 |
| 27 | RCTP | R & C TRANSPORTATION LLC | | | SCAC4 |
| 28 | RCTQ | RICHTER TRANSFER COMPANY, THE | | | SCAC3 |
| 29 | RCTQ | R C TRANSPORTATION INC | | | SCAC4 |
| 30 | RCTS | R C TRANS | | | SCAC3 |
| 31 | RCTT | RICKERT TRUCKING | | | SCAC3 |
| 32 | RCTT | REACT TOOL & MOLD INC | | | SCAC4 |
| 33 | RCTU | DEFENCE CONTAINER MANAGEMENT SERVICE | | GB | BIC |
| 34 | RCTU | DEFENCE CONTAINER MANAGEMENT SERVIC | | | SCAC4 |
| 35 | RCTV | R.C. TRANSPORT, INC | | | SCAC3 |
| 36 | RCTX | Railwest Canada, Inc. | added 4/2001; 7/2005; eliminated 4/2009; eliminated 10/2009 | | NAKINA |
| 37 | RCTX | RAILWEST CANADA, INC. | | | PWRC |
| 38 | RCTX | Railwest Canada | | | RSRV |
| 39 | RCTX | RAILWEST CANADA INC | | | SCAC4 |
| 40 | RCTY | RCT | | | SCAC4 |
| 41 | RCTZ | (REAZ) RETIRED 04-06-93 ATP (ACI 2540) | | | PWRC |
