| 1 | MAW | Mustique Airways | Callsign: Mustique, Designator Q4 recalled by IATA | WV | AVCODES |
| 2 | MAW | Mustique Airways | | | ICAO1 |
| 3 | MAW | Maumee & Western R.R. Corp. | added 7/1998; 7/2000-7/2005 | | NAKINA |
| 4 | MAW | Maumee & Western R.R. Corp. | added 7/98; 7/2000 | | NRHS |
| 5 | MAW | MAUMEE & WESTERN RAILROAD CORP. | | | PWRC |
| 6 | MAW | Maumee and Western Railroad | | | RSRV |
| 7 | MAW | MAUMEE & WESTERN RAILROAD CORPORATI | | | SCAC4 |
| 8 | MAWA | MASSA | | | SCAC4 |
| 9 | MAWC | M & A TRUCKING LLC | | | SCAC4 |
| 10 | MAWD | MADAWA | | | SCAC4 |
| 11 | MAWG | MEDINA AQUINO, REYNA CELESTE | | | SCAC4 |
| 12 | MAWJ | MARUBENI CORP | | | SCAC4 |
| 13 | MAWL | MARTINS ABATTOIR & WHOLESALE MEATS | | | SCAC4 |
| 14 | MAWN | MOBILE ASPHALT COMPANY INC | | | SCAC4 |
| 15 | MAWO | MANWEILER TRANSPORTS | | | SCAC4 |
| 16 | MAWP | MARITIME TRANSFER | | | SCAC4 |
| 17 | MAWS | MAWSON & MAWSON INC | | | SCAC4 |
| 18 | MAWW | MACOM | | | SCAC4 |
| 19 | MAWX | Olin Corp. | added 1/1970; 4/1970; eliminated 4/1973 | | NAKINA |
| 20 | MAWX | Olin Mathieson Chemical Corp. | added 10/1954; 10/1957-10/1966; eliminated 1/1970 | | NAKINA |
| 21 | MAWX | Mathieson Chemical Corp. | 1/1950-7/1954; eliminated 10/1954 | | NAKINA |
| 22 | MAWX | The Mathieson Alkali Works (Inc.) | 7/1937-4/1947 | | NAKINA |
| 23 | MAWX | Michigan Ammonia Works | 8/1920-7/1923 | | NAKINA |
| 24 | MAWX | The Mathieson Alkali Works (Inc.) | Apr-38 | | NRHS |
| 25 | MAWX | Mathieson Chemical Corp. | Jan-52 | | NRHS |
| 26 | MAWX | Olin Mathieson Chemical Corp. | 10/57-10/66; eliminated 1/70 | | NRHS |
| 27 | MAWX | Olin Corp. | added 1/70; 4/70; eliminated 4/73 | | NRHS |
| 28 | MAWX | *MICHIGAN AMMONIA WORKS | | | PWRC |
| 29 | MAWX | *OLIN CORP. [OLIN MATHIESON CHEMICAL CORP.; MATHIESON CHEMICAL CORP.; MATHIESON ALKALI WORKS] | | | PWRC |
| 30 | MAWX | OLIN MATHIESON CHEMICAL CORP | | | SCAC3 |
