| 1 | MYS | Aero Yaqui Mayo, S.A. de C.V. | Callsign: Aero Yaqui, | MEX | AVCODES |
| 2 | MYS | Aero Yaqui Mayo | | | ICAO1 |
| 3 | MYSB | MYERS EXPRESS COMPANY LLC | | | SCAC4 |
| 4 | MYSD | MILLER YACHT SALES INC | | | SCAC4 |
| 5 | MYSG | MURPHY SCOTT RESOURCES LP | | | SCAC4 |
| 6 | MYSJ | MYS, JIM TRUCKING | | | SCAC4 |
| 7 | MYSK | MCCREADY | | | SCAC4 |
| 8 | MYSM | MYSTIC MARINE TRANSPORT | | | SCAC4 |
| 9 | MYSN | MAYS TRUCKING | | | SCAC4 |
| 10 | MYSP | MYSTIC TRANSPORTATION LTD | | | SCAC4 |
| 11 | MYSR | MEYER LOGISTICS | | | SCAC4 |
| 12 | MYSV | MULTITRASLADOS Y SERVICIOS SA DE CV | | | SCAC4 |
| 13 | MYSW | MYERS TOWING | | | SCAC4 |
| 14 | MYSX | Bay Chemical Co., Inc. | 1/1941-4/1947 | | NAKINA |
| 15 | MYSX | Myles Salt Co., Ltd. (Bay Chemical Co., Inc.) | 7/1930-4/1938 | | NAKINA |
| 16 | MYSX | Bay Chemical Co., Inc. | Apr-38 | | NRHS |
| 17 | MYSX | BAY CHEMICAL CO., INC. [MYLES SALT CO., LTD.] | | | PWRC |
