| Abbreviation | Definition |
|---|---|
| MKD | Masakazu Katsura Daigaku |
| MKD | Mgaloblishvili Kipiani And Dzidziguri |
| MKDC | Milton Keynes Development Corporation |
| MKDS | Monahan Drabble Sherman Funeral Home |
| MKE | Matsushita Kyotobuki Electronics |
| MKF | MKF Collection |
| MKH | Makani Kai Helicopters |
| MKI | MacKenzie Kesselring, Inc. |
| MKI | Matzinger Keegan Inc |
| MKI | Matzinger-keegan, Inc. |
| MKI | Maxwell Kates Inc |
| MKI | Michael Kummer Incoporated |
| MKJ | Merkley Kendrick Jewelers |
| MKN | MarKet Net |
| MKO | Martyn Kemp Opticians |
| MKO | Morgan Kaufmann Publishers |
| MKPI | Mahal Kong Pilipinas Inc |
| MKS | Mortice Kern Systems |
| MKV | Maquinarias Koeppern Venezuela, C.a. |
| MKZ | Magnitogorsky Kalibrovochny Zavod |