| Abbreviation | Definition |
|---|---|
| GSB | Graphic Service Bureau |
| GSB | Graphics Service Bureau |
| GSMB | Geological Survey Mines Bureau |
| GVB | Guam Visitors Bureau |
| HAB | HIV AIDS Bureau |
| HADB | Hearing Aid Dispensers Bureau |
| HCSB | Home Care Standards Bureau |
| HEB | Health Education Bureau |
| HFBCU | Hoosier Farm Bureau Credit Union (Indianapolis, IN) |
| HHRDB | Health Human Resource Development Bureau (Philippines Department of Health) |
| HIB | Hawaii Insurance Bureau |
| HMIB | Hazardous Material Investigation Bureau |
| HO | Hydrographic Office |
| HVB | Hawaii Visitors Bureau |
| HVCB | Hawaii Visitors and Convention Bureau |
| HWB | Hazardous Waste Bureau |
| IAB | Interactive Advertising Bureau |
| IACVB | International Association of Convention and Visitor Bureaus |
| IACVB | International Association of Convention and Visitors Bureaus |
| IACVB | International Association of Convention Visitor Bureaus |