| 1 | RBB | Rabbit-Air AG | Callsign: Rabbit, Ceased operation. | CH | AVCODES |
| 2 | RBB | Rabbit-Air | | | ICAO1 |
| 3 | RBB | Regiobahn Bitterfeld GmbH | Bitterfeld (Connex-Gruppe > Veolia Verkehr > Captrain) | D | privat-bahn.de |
| 4 | RBB | BNSF [BURLINGTON NORTHERN RAILROAD CO.] | | | PWRC |
| 5 | RBB | Regiobahn Bitterfeld-Berlin GmbH | | D | TRAFFIC |
| 6 | RBB | Regiobahn Bitterfeld | | DE | VKM |
| 7 | RBBC | RABBIT TRUCKING CORP | | | SCAC3 |
| 8 | RBBC | RIVER BEND BROKERAGE CO | | | SCAC4 |
| 9 | RBBE | RIBBE, DANIEL L TRUCKING | | | SCAC3 |
| 10 | RBBF | ROBBINS FLEISING FORWARDING INC | | | SCAC3 |
| 11 | RBBH | RV BOAT AND BIKE TRANSPORT LLC | | | SCAC4 |
| 12 | RBBI | ROBBINS TRUCKING INC | | | SCAC3 |
| 13 | RBBI | ROBBINS, JEFF | | | SCAC4 |
| 14 | RBBK | R B & B TRUCKING INC | | | SCAC3 |
| 15 | RBBL | ROBERTS, B L | | | SCAC4 |
| 16 | RBBN | BNSF Ry. Co. | added 4/2005; 7/2005 | | NAKINA |
| 17 | RBBN | Burlington Northern R.R. Co. | added 7/1981; 1/1994; eliminated 4/2005 | | NAKINA |
| 18 | RBBN | Burlington Northern Inc. | 1/1980; eliminated 7/1981 | | NAKINA |
| 19 | RBBN | Burlington Northern R.R. Co. | added 4/1975 | | NAKINA |
| 20 | RBBN | Burlington Northern R.R. Co. | added 4/75 | | NRHS |
| 21 | RBBN | Burlington Northern Inc. | 1/80; eliminated 7/81 | | NRHS |
| 22 | RBBN | Burlington Northern R.R. Co. | added 7/81; 1/94 | | NRHS |
| 23 | RBBN | BNSF [BURLINGTON NORTHERN RAILROAD CO.] | | | PWRC |
| 24 | RBBN | Chicago, Burlington and Quincy Railroad (BNSF Railway) | | | RSRV |
| 25 | RBBO | R B TRUCKING | | | SCAC3 |
| 26 | RBBP | RILEYS B & B EXPRESS INC | | | SCAC3 |
| 27 | RBBQ | BNSF Ry. Co. | added 4/2005; 7/2005 | | NAKINA |
| 28 | RBBQ | Burlington Northern R.R. Co. | added 7/1981; 1/1994; eliminated 4/2005 | | NAKINA |
| 29 | RBBQ | Burlington Northern Inc. | 1/1975-1/1980; eliminated 7/1981 | | NAKINA |
| 30 | RBBQ | Chicago, Burlington and Quincy R.R. (Burlington Northern) | 4/1970 | | NAKINA |
| 31 | RBBQ | Chicago, Burlington and Quincy R.R., Co. | 7/1965-10/1966 | | NAKINA |
| 32 | RBBQ | Chicago, Burlington and Quincy R.R., Co. | 7/65-10/66 | | NRHS |
| 33 | RBBQ | Chicago, Burlington and Quincy R.R. (Burlington Northern) | Apr-70 | | NRHS |
| 34 | RBBQ | Burlington Northern Inc. | 1/75-1/80; eliminated 7/81 | | NRHS |
| 35 | RBBQ | Burlington Northern R.R. Co. | added 7/81; 1/94 | | NRHS |
| 36 | RBBQ | BNSF [BURLINGTON NORTHERN RAILROAD CO.; CHICAGO, BURLINGTON & QUINCEY RR CO.] | | | PWRC |
| 37 | RBBQ | Chicago, Burlington and Quincy Railroad (BNSF Railway) | | | RSRV |
| 38 | RBBR | RUBBER DUCKLING INC | | | SCAC4 |
| 39 | RBBR | Regionalbus Braunschweig GmbH | Real: RBB | D | TRAFFIC |
| 40 | RBBS | ROBBINS EXPRESS INC | | | SCAC3 |
| 41 | RBBS | ROBBINS OIL CO | | | SCAC4 |
| 42 | RBBT | REED, BILLY TRUCKING | | | SCAC4 |
| 43 | RBBU | BESED LLC | | RUS | BIC |
| 44 | RBBW | BNSF [BURLINGTON NORTHERN RAILROAD CO.] | | | PWRC |
| 45 | RBBW | ROERD BRAREN BEREEDERUNGS GMBH & CO | | | SCAC4 |
| 46 | RBBX | Ringling Bros. and Barnum & Bailey | 7/2000-7/2005 (not listed) | | NAKINA |
| 47 | RBBX | Western Fruit Express Co. | added 10/1970; 1/1975-1/1980; eliminated 4/1980; 1/1994 (not listed) | | NAKINA |
| 48 | RBBX | Burlington Refrigerator Express Co. | added 4/1957; 10/1957-4/1970; eliminated 10/1970 | | NAKINA |
| 49 | RBBX | Burlington Refrigerator Express Co. | added 4/57; 10/57-4/70; eliminated 10/70 | | NRHS |
| 50 | RBBX | Western Fruit Express Co. | added 10/70; 1/75-1/80; eliminated 4/80; 1/94 | | NRHS |
| 51 | RBBX | Ringling Bros. and Barnum & Bailey | Jul-00 | | NRHS |
| 52 | RBBX | *(BN) RETIRED 08-30-93 ATP [WESTERN FRUIT EXPRESS CO.; BURLINGTON REFRIGERATOR EXPRESS] | | | PWRC |
| 53 | RBBX | +RINGLING BROS. AND BARNUM AND BAILEY | | | PWRC |
| 54 | RBBX | Ringling Brothers and Barnum and Bailey Circus | | | RSRV |
| 55 | RBBX | RINGLING BROS. AND BARNUM & BAILEY | | | SCAC4 |
| 56 | RBBX | Ringling Bros. Barnum & Bailey | Circus trains | USA | TRAFFIC |
| 57 | RBBY | ROBB, TERRY CARTAGE COMPANY INC | | | SCAC3 |
