| 1 | MUN | Aeromundo Ejecutivo, S.A. de C.V. | Callsign: Aeromundo, | MEX | AVCODES |
| 2 | MUN | Aeromundo Ejecutivo | | | ICAO1 |
| 3 | MUN | N=Traffic and Tariff Association ;G=Verkehrsverbund;H=Közlekedési szövetség; | Real: MVV, City: München, Common livery of vehicles of the contracting partners | D | TRAFFIC |
| 4 | MUNA | MURO NORTH AMERICA INC | | | SCAC4 |
| 5 | MUNH | MUNRO HONEY | | | SCAC4 |
| 6 | MUNI | SAN FRANCISCO MUNICIPAL RWY | | | PWRC |
| 7 | MUNI | Municipial Railway San Francisco | City: San Francisco | USA | TRAFFIC |
| 8 | MUNN | MUNNS, DAVID A TRUCKING INC | | | SCAC4 |
| 9 | MUNT | MOUNTAIN MAN TRUCKING | | | SCAC4 |
| 10 | MUNX | Mather Stock Car Co. | 7/1937-7/1954; eliminated 1/1955 | | NAKINA |
| 11 | MUNX | Mather Refrigerator Express (Mather Stock Car Co.) | Apr-38 | | NRHS |
| 12 | MUNX | Mather Stock Car Co. | Jan-52 | | NRHS |
| 13 | MUNX | MATHER STOCK CAR CO. | | | PWRC |
