| Abbreviation | Definition |
|---|---|
| MBIC | Mutual Benefit Insurance Company |
| MCIM | Michigan Commercial Insurance Mutual |
| MCIT | Minnesota Counties Insurance Trust |
| MFI | Marine Fire Insurance |
| MFIC | Market Finders Insurance Corp |
| MHI | Medicare Hospital Insurance |
| MHIB | Mike Henry Insurance Brokers |
| MHIF | Mandatory Health Insurance Fund |
| MHIP | Maryland Health Insurance Program |
| MHIP | Missouri Health Insurance Pool |
| MI | Medical Insurance |
| MI | Medicare and insurance |
| MIA | Maryland Insurance Administration |
| MIAC | Metropolitan Insurance and Annuity Company |
| MIAS | Marine Insurance Association of Seattle |
| MIBC | Medical Insurance Billing and Coding |
| MIBP | Member Insurance Benefits Programme |
| MIBS | Midwest Insurance Brokerage Services |
| MID | Mississippi Insurance Department |
| MID | Motor Insurance Data |