| Acronym | Definition |
|---|
| HCS➣Hazard Communication Standard |
| HCS➣Heritage Christian School (various locations) |
| HCS➣High Content Screening |
| HCS➣Health Care Specialist |
| HCS➣Headlamp Cleaning System (cars) |
| HCS➣Hoover City Schools (Alabama) |
| HCS➣Human Capital Strategist (certification; Human Capital Institute) |
| HCS➣Hosted Collaboration Solution (Cisco) |
| HCS➣Healthcare Consulting Services (Indianapolis, IN) |
| HCS➣High Compression Swirl |
| HCS➣Home Cinema System |
| HCS➣Header Check Sequence |
| HCS➣Health Care Strategies (Texas) |
| HCS➣Human Capital Solutions |
| HCS➣Horticulture and Crop Science (various schools) |
| HCS➣Harvard Computer Society |
| HCS➣HIV Care Services (Virginia) |
| HCS➣Haywood County Schools (North Carolina and Tennessee) |
| HCS➣Hippocampal Sclerosis (neurology) |
| HCS➣Hard Clad Silica (optical fiber) |
| HCS➣High Carbon Steel |
| HCS➣Humane Cosmetics Standard |
| HCS➣Healthcare Software (Australia) |
| HCS➣Housing/Community Services (various locations) |
| HCS➣Human Chorionic Somatomammotropin |
| HCS➣Human Capital Strategy |
| HCS➣Head of Customer Services (various locations) |
| HCS➣Homewood City Schools (Homewood, AL) |
| HCS➣House Condition Survey (UK) |
| HCS➣Hazardous Chemical Storage (regulations) |
| HCS➣Highway Capacity Software |
| HCS➣Hierarchical Cell Structure |
| HCS➣Header Check Sequence (DOCSIS specification) |
| HCS➣Hull Collegiate School (Anlaby, England, UK) |
| HCS➣Hospital Central Service (various organizations) |
| HCS➣Hot Club Sandwich (band) |
| HCS➣Histochemical Society |
| HCS➣Host Computer System |
| HCS➣Hertford Choral Society (Hertfordshire, England, UK) |
| HCS➣Hard Core Sledder (online forum) |
| HCS➣Header Checksum |
| HCS➣Hollywood Casino Shreveport |
| HCS➣Horizon Casualty Services (New Jersey) |
| HCS➣Holland Construction Services (Swansea, IL) |
| HCS➣Helicopter Combat Support (Special) Squadron (US Navy) |
| HCS➣Hospital & Healthcare Compensation Service |
| HCS➣High Current System |
| HCS➣Hajdu-Cheney Syndrome |
| HCS➣Halifax Consciousness Scanner (neuroimaging) |
| HCS➣Halley's Comet Software |
| HCS➣Harry C. Stutz (automobile developer) |
| HCS➣HIH Claims Support (insurance; Australia) |
| HCS➣Habesha Capital Services (Ethiopia) |
| HCS➣HUMINT Control System |
| HCS➣Human Control Strategy (robotics) |
| HCS➣HES Cabling Systems (Turkey) |
| HCS➣Hundred Call Seconds |
| HCS➣Habermehl Consulting Services (Cincinnati, OH) |
| HCS➣Human Chorionic Somatotropin |
| HCS➣Hub City Stompers (New Brunswick, NJ band) |
| HCS➣Hokkaido Computer School (Japan) |
| HCS➣Helicopter Coordination Section |
| HCS➣Housing Counseling Services, Inc (Washington, DC) |
| HCS➣Holland Christian Schools |
| HCS➣Holderness Central School (New Hampshire) |
| HCS➣HardCore Supervisor (Multics) |
| HCS➣Home and Community-Based Service Program |
| HCS➣House Connection Sewer |
| HCS➣High-Performance Computing and Simulation Research Laboratory |
| HCS➣Humanitarian Common Service |
| HCS➣Hardcore Style (music) |
| HCS➣Helicopter Control Ship |
| HCS➣Health Care Secretary |
| HCS➣Harrogate Choral Society (UK) |
| HCS➣Hydrogen Chloride Scrubber |
| HCS➣Health Card Server |
| HCS➣Hybrid Computation and Simulation |
| HCS➣Healthy Communities Scholars (Brown University; Providence, RI) |
| HCS➣Haptic Characteristic Structures |
| HCS➣High Class Society |
| HCS➣Holy Cross Seminary (various locations) |
| HCS➣Healthcare Compensation Solutions (Prattville, AL) |
| HCS➣HAF Computer System |
| HCS➣Hydrogen Containing Solvent |
| HCS➣Haven City Stories (online RPG) |
| HCS➣Human Complex System (social science) |
| HCS➣Hutchinson Computer Systems Ltd (UK) |
| HCS➣Human Communications Science |