| Abbreviation | Definition |
|---|---|
| GSIP | Guaranteed Savings Insurance Plan |
| GSIS | Government Security Insurance System |
| GSIS | Government Service Insurance Scheme |
| GSIS | Government Service Insurance System |
| GSLI | Group Savings Linked Insurance |
| GTCI | General Terms and Conditions of Insurance |
| GTLI | Group Term Life Insurance |
| GUS | Guaranteed Underwriting System |
| HABI | Hot Air Balloon Insurance |
| HAIG | Housing Authority Insurance Group |
| HAIW | Honolulu Association of Insurance Women |
| HBIS | Harris Bancorp Insurance Services |
| HBIS | Home Builders Insurance Services |
| HCAI | Health Claims for Auto Insurance |
| HCIT | Homeowners Catastrophe Insurance Trust |
| HFI | Health Family Insurance |
| HIAB | Health Insurance Association of Bermuda |
| HIAC | Health Insurance Advisory Council |
| HIB | Hawaii Insurance Bureau |
| HIB | Hospital Insurance Benefits |