sort by Rank | Alpha
| Possible Meanings | Rank |
| Health Care Services Administration | *** |
| Humane Charity Seal of Approval | *** |
| HUMAX Customer Service Area | *** |
| Health and Community Services Agency | *** |
| Historic Charles Street Association | *** |
| Holland Committee on Southern Africa | *** |
| Health Care Supply Association | *** |
| Hate Crime Statistics Act | *** |
| High Country Sports Arena | *** |
| Health Care Spending Accounts | *** |
| Hate Crimes Statistics Act | *** |
| health care service areas | ** |
| hepatic cortisol sulfotransferase activity | ** |
| Health and Community Services Act | ** |
| Hartland Community Soccer Association | ** |
| Haliburton County Snowmobile Association | ** |
| Hospital Consultants Specialists Association | ** |
| Health Care Supplies Association | ** |
| High Commissioner for Southern Africa | ** |
| Health Care Systems Administration | ** |
| Humanitarian Coalition on Small Arms | ** |
| HighPoint Community Services Association | ** |
| Halla Climate Systems Alabama | ** |
| Hays City Silver Academic | ** |
| Hockey Club Sierre Anniviers | ** |
| Home Care Service Act | ** |
| Houston Combined Specialty Association | ** |
| Hospital Central Services Association | ** |
| Henderson County Soccer Association | ** |
| Housing Center Student Association | ** |
| Health Care Services Amount | ** |
| hellgate civilian shooters association | ** |
| High Cost Service Areas | ** |
| Hill Country Sports Association | ** |
| Health Care Services Agency | ** |
| Health Care Surveillance Authority | ** |
| Hellenic Company for Space Applications | ** |
| High Country Soccer Association | ** |
| Hawaii Control Share Acquisitions | ** |
| Health Care Supervision Authority | ** |
| Halifax County Service Authority | ** |
| Health Care Services Authority | ** |
| High Cost Serving Areas | ** |
| Health Connect Systems Architecture | * |
| Hockey Canada Skills Academy | * |
| Harris County Soccer Association | * |
| Henry County Soccer Association | * |
| Home Cooking Salon Ajiki | * |
| Healthcare Customer Service Associate | * |
| Hierarchical Carry Save Algorithm | * |
| Horsethief Canyon Soccer Association | * |
| Hybrid Client Server Architecture | * |
| Hampton Community Sports Association | * |
| Holiday Club South Africa | * |
| Home Claim Services of America | * |
| Health care savings accounts | * |
| Health Care Surrogate Act | * |
| Historical Channel Stability Analysis | * |
| Honors College Student Association | * |
| Hospital Consultants Specialist Association | * |
| High Commission of South Africa | * |