| Acronym | Definition |
|---|
| HCSG➣Hosted Collaborative Services for Government (Cisco) |
| HCSG➣Harman Consumer Systems Group (audio and visual equipment) |
| HCSG➣Hyperactive Children's Support Group (UK) |
| HCSG➣Healthcare Services Group Incorporated (Bensalem, PA) |
| HCSG➣Hospital Clinical Services Group, Inc. (est. 2007) |