| 1 | MWW | Midwest Wings | | CAM | AVCODES |
| 2 | MWWC | M & W TOWING INC | | | SCAC4 |
| 3 | MWWE | MARKEN WORLDWIDE EXPRESS | | | SCAC4 |
| 4 | MWWG | MENLO WORLDWIDE GOVERNMENT SERVICES | | | SCAC4 |
| 5 | MWWI | METRO WORLDWIDE INC | | | SCAC4 |
| 6 | MWWU | MESSER LLC | | USA | BIC |
| 7 | MWWX | Menasha Wooden Ware Co. (Menasha Wooden Ware Corp.) | 7/1930-7/1932 | | NAKINA |
| 8 | MWWX | MENASHA WOODEN WARE CORP. | | | PWRC |