English abbreviations from help to hept
- HELP (Howitzer Extended Life Program (US))
- HELSTF (High Energy Laser Systems Test Facility)
- HEM (Helsinki-Malmi Airport)
- HEMA (Hydroxyethyl methacrylate)
- HEMAT (Heavy Expanded Mobility Ammunition Trailer (US))
- HEMCO (Heavy Equipment Maintenance Company)
- HEME (Housing, Education, Medical and Employment)
- HEMMET (Incorrect version of HEMTT (Heavy Expanded Mobility Tactical Truck))
- HEMMIT (Incorrect version of HEMTT (Heavy Expanded Mobility Tactical Truck))
- HEMMT (Heavy Expandable Mobility Tactical Truck)
- HEMP (High-Explosive Multi-Purpose)
- HEMS (Helicopter Emergency Medical Service)
- HEMT (High Electron Mobility Transistor)
- HEMTT (Heavy Expanded Mobility Tactical Truck (US))
- HEO (High Earth Orbit)
- HEOSS (High Earth Orbit Space Surveillance)
- HEP (high-explosive plastic)
- HEPA (High-efficiency particulate air)
- HEPD (high-explosive point detonating)
- HEPG (Harvard Education Publishing Group)
- HEPH (Heavy Extractable Petroleum Hydrocarbons)
- HEPPI (Higher Education Prices and Pay Index)
- HEP-T (high-explosive practice - tracer)