| Human Services Campus | Academic & Science |
| Holmes Student Center | Academic & Science |
| Houston Science Center | Academic & Science |
| Hillfield Strathallan College | Academic & Science |
| High Streght Concrete | Academic & Science |
| Shaoguan | Airport Code |
| HBanc Capital Securities Trust | Business |
| Handgun Safety Certificate | Business |
| Hemlock Semiconductor Corporation | Business |
| Health Service Consultant | Business |
| Handeye Supply Company | Business |
| Hearne Steel Company | Business |
| Henk's Soundtrack Corner | Business |
| Highes Systems Company | Business |
| Headquarters Service Company | Business |
| Headquarters and Service Company | Business |
| Harsco Corporation | Business |
| Higher Schools Certificate | Business |
| Hair Straightening Crew | Business |
| Hydrogen Synthesiser Cannon | Chemistry |
| International Workshop on Hardware/Software Co-design | Community |
| Higher School Certificate | Community |
| High School Cetificate | Community |
| High School in the Community | Community |
| High School Certificate | Community |
| Hierarchical Storage Controller | Computing |
| Help and Support Center | Computing |
| High Speed Connection | Computing |
| High Speed Controller | Computing |
| High Speed Channel | Computing |
| High Speed Chip | Computing |
| High Speed Counter | Computing |
| High Speed Centronic | Computing |
| Hot Swap Controller | Computing |
| Host Software Component | Computing |
| Head State Change | Computing |
| Heat Sink Case | Computing |
| Highway Smart Card | Computing |
| High Security Core | Computing |
| HashCoin | Cryptocurrency |
| Higher Secondary Certificate | Educational Certificate |
| Hampden Sydney College | Educational Institute |
| Hsc Tracker 2-op Fm Music File | File Type |
| Home Station Check | General |
| Hispanic Scholarship Consortium | General |
| High Strength Cohesive | General |
| Hubble Source Catalog | General |
| Human Systems Center | General |
| Handling Systems Conveyors | General |
| Hair Stimulating Complex | General |
| Hickory Street Capital | General |
| Human Services Center | General |
| Holland Space Cake | General |
| High Speed Cable | General |
| HAZMAT Spill Center | General |
| Hard Shell Case | General |
| Hybrid Sports Concept | General |
| High Swirl Combustion | General |
| Hill Start Control | General |
| High Performance Sports Concept | General |
| Horse Showing Club | General |
| Hyper Saturation Complex | General |
| High Speed Cutting | General |
| Hyper Saturation Creatine | General |
| Hydrogen Solute Concept | General |
| High Speed Car | General |
| Highway Safety Committee | General |
| Houston Subaru Club | General |
| Humber Scout Car | General |
| Honda of South Carolina | General |
| Heaven Sent Consultancy | General |
| Highway Safety Code | General |
| High Speed Cruise | General |
| Hollywood Sports Cars | General |
| Hispano Suiza Cars | General |
| Honda Siel Cars | General |
| Helicopter Sea Combat | General |
| Human Services Counsellor | General |
| High Sensitivity Camera | General |
| Hawaiian Style Cheer | General |
| Holosprite Summer Colors | General |
| Half Slotted Carton | General |
| Hyper Suprime Cam | General |
| Homeland Security Council | Governmental |
| Home and School Council | Governmental |
| Health Services Technician Chief Petty Officer | Governmental |
| Human Services Council | Governmental |
| HASAN CITY | Indian Railway Station |
| Haematopoietic Stem Cell | Medical |
| Health and Social Care in Northern Ireland | Medical |
| Health Screening Centre | Medical |
| Health Select Committee | Medical |
| Health Service Circular | Medical |
| Health Service Commissioner | Medical |
| Heat Shock Consensus | Medical |
| Horizontal Semicircular Canal | Medical |
| hysteroscopy | Medical |
| Hematopoietic Stem Cell | Medical |
| hematopoietic stem cell(s) | Medical |
| Health Sciences Center | Medical |
| Health and Safety Code | Medical |
| Health And Safety Contract | Medical |
| Health and Safety Commission | Medical |
| Health Service Center | Medical |
| Heart Stroke And Cancer | Medical |
| Health and Social Care | Medical |
| Health Science Center | Medical |
| Health System Change | Medical |
| Hospital for Special Care | Medical |
| Health and Social | Medical |
| Hardware Systems Command | Military and Defence |
| High Speed Craft | Military and Defence |
| Health Services Command | Military and Defence |
| Helicopter Sea Combat (navy) | Military and Defence |
| Hardware/software Coordination | Space Science |
| Honda Sportscar Concept | Sports |
| Honda Sports Concept | Sports |
| Heritage Sports Collectibles | Sports |
| Heinenoordse Skate Crew | Sports |
| Hetton Skate Crew | Sports |
| High Speed Connect | Telecommunication |