| 1 | RSS | Rossair (Pty) Ltd. | Callsign: Ross Charter, | ZA | AVCODES |
| 2 | RSS | Rossair | | | ICAO1 |
| 3 | RSS | Rockdale, Sandow & Southern R.R. Co. | 1/1975-1/1980; added 7/1980; 1/1994-7/2005 | | NAKINA |
| 4 | RSS | Rockdale, Sandow & Southern R.R. Co. | 1/75-1/80; added 7/80; 1/94-7/2000 | | NRHS |
| 5 | RSS | *ROCHESTER SUBWAY | | | PWRC |
| 6 | RSS | +ROCKDALE, SANDOW & SOUTHERN RAILROAD CO. | | | PWRC |
| 7 | RSS | Rochester Subway (Rockdale, Sandow and Southern Railroad) | | | RSRV |
| 8 | RSSA | ROADMASTER TRANSPORTATION, INC. | | | SCAC3 |
| 9 | RSSA | ROADMASTER TRANSPORTATION INC | | | SCAC4 |
| 10 | RSSB | ROSS BROTHERS | | | SCAC3 |
| 11 | RSSC | ROSSI CARTAGE INC | | | SCAC3 |
| 12 | RSSC | REGENT SEVEN SEAS CRUISES INC | | | SCAC4 |
| 13 | RSSE | ROSSI CORPORATION | | | SCAC4 |
| 14 | RSSF | RUSSELL FARMS | | | SCAC3 |
| 15 | RSSH | ROSARIO SHIPPING AND TRADING S.A. | | | SCAC3 |
| 16 | RSSH | RILEY-SHERMA | | | SCAC4 |
| 17 | RSSI | ROSES STORES NC | | | SCAC3 |
| 18 | RSSJ | RTJ SPECIALIZED SERVICES | | | SCAC4 |
| 19 | RSSK | ROSS, KENNETH TRUCKING | | | SCAC3 |
| 20 | RSSK | RAMOS SEVEN SEVEN SEVEN (777) TRUCK | | | SCAC4 |
| 21 | RSSL | ROSSEE OIL CO INC | | | SCAC4 |
| 22 | RSSM | ROSS STEEL & TRANSPORTATION INC | | | SCAC3 |
| 23 | RSSN | ROUSSEAU METAL INC | | | SCAC4 |
| 24 | RSSO | R & S STORES INC, | | | SCAC3 |
| 25 | RSSP | REDDING SEED AND SUPPLY INC | | | SCAC3 |
| 26 | RSSQ | RS SHIPPING SRL | | | SCAC4 |
| 27 | RSSR | ROSSI TRANSPORTATION COMPANY | | | SCAC3 |
| 28 | RSSR | RESSLER, ROY & SON INC | | | SCAC4 |
| 29 | RSSS | ROSSMANN SHIPPING SERVICES | | | SCAC3 |
| 30 | RSST | ROSS TRUCKING COMPANY | | | SCAC3 |
| 31 | RSSU | ROYAL WOLF TRADING AUSTRALIA PTY LTD | | AUS | BIC |
| 32 | RSSU | ROYAL WOLF TRADING AUSTRALIA PTY LT | | | SCAC4 |
| 33 | RSSV | RUMFORD SHUTTLE SERVICE | | | SCAC3 |
| 34 | RSSW | RAY SEA SA | | | SCAC4 |
| 35 | RSSX | Railserve, Inc. | 7/2005 (not listed) | | NAKINA |
| 36 | RSSX | *RAIL SWITCHING SERVICE, INC. | | | PWRC |
| 37 | RSSX | +RAILSERVE, INC. | | | PWRC |
| 38 | RSSX | Railserve Inc. | | | RSRV |
| 39 | RSSX | RAILSERVE INC | | | SCAC4 |
| 40 | RSSY | RGL SPECIALTY SERVICES LLC | | | SCAC4 |
