| HMC | Habitation Module Complex 
| Others |
| HMC | Hadassah Medical Center
| Others |
| HMC | Hadssa Medical Center
| Others |
| HMC | Haima Motor Corporation
| Others |
| HMC | Hainan Mazda Corporation
| Others |
| HMC | Halal Monitoring Committee
| Others |
| HMC | Halibut Milk Catalog
| Others |
| HMC | Halley Multicolor Camera
| Others |
| HMC | Halton Multicultural Council
| Others |
| HMC | Handcraft Mattress Company
| Others |
| HMC | Handmade Car
| Others |
| HMC | Harbert Management Corporation
| Others |
| HMC | Harborview Medical Center
| Others |
| HMC | Hard Multi Coating
| Others |
| HMC | Hardin Medical Center
| Others |
| HMC | Hardware Management Console
| Others |
| HMC | Harrisburg Medical Center
| Others |
| HMC | Harry Miller Club
| Others |
| HMC | Harvard Management Company
| Others |
| HMC | Harvard Model Congress
| Others |
| HMC | Harvey Mudd College
| Others |
| HMC | Havana Motor Club
| Others |
| HMC | Hawaiis Most Cheated
| Others |
| HMC | Hawk Mountain Council
| Others |
| HMC | Hazy Maze Cave in Super Mario 64
| Others |
| HMC | Head Motion Correction
| Others |
| HMC | Headmasters' and Headmistresses' Conference
| Others |
| HMC | Healey Motor Company
| Others |
| HMC | Healthy Medical Consultancy
| Others |
| HMC | Healthy Mediterranean Cuisine
| Others |
| HMC | Heartland Miata Club
| Others |
| HMC | Heavy Metal Club
| Others |
| HMC | Heavy Metal Content
| Others |
| HMC | Heavy Metal Core
| Others |
| HMC | Hello Master Cammy
| Others |
| HMC | Helping Migrants Cross
| Others |
| HMC | Helvetic Motor Company
| Others |
| HMC | Herbal Medicines Compendium
| Others |
| HMC | Hercules Machinery Corp
| Others |
| HMC | Herd Management Control
| Others |
| HMC | Heritage Motor Centre
| Others |
| HMC | Hero Music Company
| Others |
| HMC | Herron Maintenance Company
| Others |
| HMC | Hershey Medical Center
| Others |
| HMC | Heseltine Mok Consultants
| Others |
| HMC | High Mating Cycles
| Others |
| HMC | High Mileage Club
| Others |
| HMC | High Mobility Camouflage
| Others |
| HMC | High Moisture Corn
| Others |
| HMC | High Motion Class
| Others |
| HMC | High Speed Memory Controller
| Others |
| HMC | Higher Mathematical Content
| Others |
| HMC | Highly Marrinated Chicken
| Others |
| HMC | Highly Motivated Consultancy
| Others |
| HMC | Highly Motorised Country
| Others |
| HMC | Hilo Medical Center
| Others |
| HMC | Hino Motors Canada
| Others |
| HMC | His Majesty's Cutter
| Others |
| HMC | His Majestys Cutter
| Others |
| HMC | Historic Motor Club
| Others |
| HMC | Historic Muscle Cars
| Others |
| HMC | Hoffman Modulation Contrast
| Others |
| HMC | Holland Motorsports Complex
| Others |
| HMC | Holly Marie Combs
| Others |
| HMC | Home Manufacturers Council
| Others |
| HMC | Home Media Center
| Others |
| HMC | Homo Mega Cocker
| Others |
| HMC | Honda Motor Co
| Others |
| HMC | Honda Motor Company
| Others |
| HMC | Honda Motor Corp
| Others |
| HMC | Hoosier Mustang Club
| Others |
| HMC | Hope Medical Clinic
| Others |
| HMC | Hopkins Medical Center
| Others |
| HMC | Horizon Mobile Communications
| Others |
| HMC | Horizontal Machining Center
| Others |
| HMC | Horizontal Machining Centers
| Others |
| HMC | Hornberger Management Company
| Others |
| HMC | Horowhenua Motor Company
| Others |
| HMC | Hospital Corpsman Chief Petty Officer
| Others |
| HMC | Hospitality Management Corporation
| Others |
| HMC | Hospitality Management Council
| Others |
| HMC | Hospitality Marketing Concepts
| Others |
| HMC | Hosted Messaging and Collaboration
| Others |
| HMC | Hot Medium and Cool
| Others |
| HMC | House Master C
| Others |
| HMC | House Master Cam
| Others |
| HMC | Houston Miata Club
| Others |
| HMC | How might Claire
| Others |
| HMC | Hoya Multi Coated
| Others |
| HMC | Hoya Multi Coating
| Others |
| HMC | Hubcaps Mini Club
| Others |
| HMC | Human Machine Collaboration
| Military, Air Force, Army, Defence, Special Forces, Weapon, Technology, Aircraft |
| HMC | Human Mouthed Cat
| Others |
| HMC | HUMINT Management Center
| Others |
| HMC | Hungarian Multicultural Center
| Others |
| HMC | Hussung Mechanical Contractors
| Others |
| HMC | Hybrid Memory Cube
| Others |
| HMC | Hybrid MicroCircuit
| Others |
| HMC | Hybris Management Console
| Others |
| HMC | Hyderabad Municipal Corporation
| Others |
| HMC | Hyper Mysterious Chaos
| Others |
| HMC | Hypergolic Maintenance and Checkout
| Others |
| HMC | Hyundai Map Care
| Others |
| HMC | Hyundai Mobis Company
| Others |
| HMC | Hyundai Modified Club
| Others |
| HMC | Hyundai Motor Company
| Others |
| HMC | Hyundai Motor Corporation
| Others |