| 1 | RSV | Air Services | Callsign: Sernou, | F | AVCODES |
| 2 | RSV | Red Sky Ventures CC | Callsign: Red Sky, | NAM | AVCODES |
| 3 | RSV | Red Sky Ventures | | | ICAO1 |
| 4 | RSV | Reutlinger Stadtverkehrsgesellschaft mbH | | D | TRAFFIC |
| 5 | RSVC | RELIABLE SERVICE CO | | | SCAC3 |
| 6 | RSVC | ROSE VALLEY COLONY LTD | | | SCAC4 |
| 7 | RSVE | REACTION SERVICES INC | | | SCAC3 |
| 8 | RSVG | Rhein-Sieg Verkehrsgesellschaft mbH | Troisdorf | D | privat-bahn.de |
| 9 | RSVG | R & S CONTAINER SERVICE LLC | | | SCAC4 |
| 10 | RSVG | Rhein-Sieg Verkehrsgesellschaft mbH Troisdorf | City: Siegburg | D | TRAFFIC |
| 11 | RSVK | REED, STEVE TRUCKING LLC | | | SCAC4 |
| 12 | RSVL | R SCOTTSVILLE LUCKY TOURS | | | SCAC3 |
| 13 | RSVN | RESERVE INTERNATIONAL SERVICES INC | | | SCAC3 |
| 14 | RSVP | R S V P TRANSPORTATION INC | | | SCAC3 |
| 15 | RSVP | RSVP INTERNATIONAL LLC | | | SCAC4 |
| 16 | RSVQ | RESERVE TERMINALS COMPANY | | | SCAC3 |
| 17 | RSVS | RAIL SERVICES INC | | | SCAC3 |
| 18 | RSVU | JSC REFSERVICE | | RUS | BIC |
| 19 | RSVX | Railserv Funding Corp. | eliminated 7/1984; eliminated 7/1986 | | NAKINA |
| 20 | RSVX | Railserv Management Corp. | added 4/1980; eliminated 7/1984 | | NAKINA |
| 21 | RSVX | Railserv Management Corp. | added 4/80; eliminated 7/84 | | NRHS |
| 22 | RSVX | Railserv Funding Corp. | eliminated 7/84; eliminated 7/86 | | NRHS |
| 23 | RSVX | RAILSERV FUNDING CORP. (RAILSERV MANAGEMENT CORP.) | | | PWRC |
| 24 | RSVX | Railserv Management Corp | | | RSRV |
| 25 | RSVY | RODRIGUEZ SARABIA, VIANEY | | | SCAC4 |
