| 1 | MOS | Misr Overseas Airways | | ET | AVCODES |
| 2 | MOS | Misr Overseas Airways | | | ICAO1 |
| 3 | MOS | MITSUI O.S.K. LINES, LTD. | | | PWRC |
| 4 | MOS | Horst Mosolf GmbH&Co. KG | | DE | VKM |
| 5 | MOSA | Aéroplanes Morane-Saulnier | Real: MS, It was a French aircraft manufacturing company formed in October 1911 by Raymond Saulnier and the Morane brothers, Léon and Robert.[1] The company was taken over and diversified in the 1960s. | F | TRAFFIC |
| 6 | MOSB | Moselbahn | | D | TRAFFIC |
| 7 | MOSC | MOSES ENTERPRISE CORP | | | SCAC4 |
| 8 | MOSD | MOSLEY, D TRUCKING INC | | | SCAC4 |
| 9 | MOSE | MORLEY SERVICE, INC. | | | PWRC |
| 10 | MOSE | MOSER, ELMER & SONS LLC | | | SCAC4 |
| 11 | MOSG | MISSOURI SUGARS LLC | | | SCAC4 |
| 12 | MOSI | MOS INC OF MEXICO S DE RL DE CV | | | SCAC4 |
| 13 | MOSK | MITSUI O.S.K. LINES, LTD. | | | PWRC |
| 14 | MOSK | MOSKOWITZ MOTOR TRANSPORTATION, INC | | | SCAC1 |
| 15 | MOSK | MOSKOWITZ MOTOR TRANSPORTATION, INC | | | SCAC4 |
| 16 | MOSK | Mosgortrans | | RUS | TRAFFIC |
| 17 | MOSKVITCH | | | SU | TRAFFIC |
| 18 | MOSL | MOSEL, ROGER L | | | SCAC4 |
| 19 | MOSOLF | MOSOLF SE & Co. KG | | D | TRAFFIC |
| 20 | MOSQ | MOSS TRUCKING INC | | | SCAC4 |
| 21 | MOSR | MOON STAR EXPRESS LLC | | | SCAC4 |
| 22 | MOSS | MOSAIC FERTILIZER LLC | | | SCAC4 |
| 23 | MOSSH | Moss Hutchinson Line Ltd. | | GB | TRAFFIC |
| 24 | MOST | MOST, MICHAEL TRUCKING | | | SCAC4 |
| 25 | MOSTRA | Mostransavto | | RUS | TRAFFIC |
| 26 | MOSU | MITSUI O.S.K. LINES LTD | | J | BIC |
| 27 | MOSU | MITSUI O S K LINES LTD | | | SCAC4 |
| 28 | MOSX | Mosinee Paper Corp. | 1/1994-7/2005 (not listed) | | NAKINA |
| 29 | MOSX | Martin Oil Service, Inc. | 1/1950-10/1966; eliminated 7/1967 | | NAKINA |
| 30 | MOSX | Martin Oil Service, Inc. | 1/52-10/66; eliminated 7/67 | | NRHS |
| 31 | MOSX | Mosinee Paper Corp. | 1/94-7/2000 | | NRHS |
| 32 | MOSX | *MARTIN OIL SERVICE, CO. | | | PWRC |
| 33 | MOSX | +MOSINEE PAPER CORPORATION | | | PWRC |
| 34 | MOSX | Mosinee Paper Corporation | | | RSRV |
| 35 | MOSX | MOSINEE PAPER CORPORATION | | | SCAC4 |
| 36 | MOSZ | (MOLU) MITSUI O.S.K. LINES, LTD. | | | PWRC |
| 37 | MOSZ | Mitsui O.S.K. Lines | | | RSRV |
| 38 | MOSZ | MITSUI O.S.K. LINES, LTD. | | | SCAC4 |
