| 1 | MSB | CA Air Stork SRL | IATA: 0S, Callsign: Long, IATA designator changed to 2S*. | MD | AVCODES |
| 2 | MSB | CA Air Stork SRL | IATA: 2S, Callsign: Long, IATA designator changed from 0S*. | MD | AVCODES |
| 3 | MSBA | Metropolitan Suburban Bus Authority | | USA | TRAFFIC |
| 4 | MSBB | MS TRANSPORTES | | | SCAC4 |
| 5 | MSBC | MASTERLEAS | | | SCAC4 |
| 6 | MSBG | MARITIME SERVICES LINE ARGENTINA S | | | SCAC4 |
| 7 | MSBM | M & S BLASTING LLC | | | SCAC4 |
| 8 | MSBN | MIKES PRODUCE | | | SCAC4 |
| 9 | MSBP | Muscle Shoals, Birmingham & Pensacola Ry. Co. | 7/1923 | | NAKINA |
| 10 | MSBP | MUSCLE SHOALS, BIRMINGHAM & PENSACOLA RWY. CO. | | | PWRC |
| 11 | MSBQ | MIDAME | | | SCAC4 |
| 12 | MSBR | T L MOSBRUCKER & SON | | | SCAC3 |
| 13 | MSBT | MISSISSIPPI BULK TRANSPORT INC | | | SCAC4 |
| 14 | MSBU | MSC- MEDITERRANEAN SHIPPING COMPANY S.A. | | CH | BIC |
| 15 | MSBV | MORGAN STANLEY CAPITAL GROUP INC | | | SCAC4 |
| 16 | MSBW | MANBECK | | | SCAC4 |
| 17 | MSBY | MOSBYS INC | | | SCAC4 |
