| Abbreviation | Definition |
|---|---|
| HISC | HCSC Insurance Services Company |
| HISC | Health Insurance Study Committee |
| HITF | Health Insurance Task Force |
| HIU | Health Insurance Underwriter |
| HIU | Health Insurance Unit |
| HLDI | High Limit Disability Insurance |
| HMEC | Horace Mann Educators Corporation (insurance holding company) |
| HMIA | Hartwig Moss Insurance Agency |
| HPIAA | Health Insurance Portability Accountability Act (HIPAA) |
| HPIC | Healthcare Providers Insurance Company |
| HRCE | High Risk of Cardiac Event |
| HSI | H Savy Insurance |
| HSR | Health Safety Risk |
| HSR | Health & Safety Risk |
| HURT | Homeowners Underwriting Resistance Test |
| HVIT | HIMCO Variable Insurance Trust |
| IA | Insurance Agent |
| IAA | Insurance Auto Auction |
| IAAA | Insurance |
| IAAI | Insurance Auto Auctions Inc |