| Rank | Abbreviation | Meaning |
|---|
| ***** | HCCL | Hardcore Classic Ladder
| |
| ***** | HCCL | Health Care Clinic License
| |
| ***** | HCCL | Huddersfield Central Cricket League
| |
| *** | HCCL | Hindustan Construction Company Limited
| |
| *** | HCCL | Health Care Conference Leaders
| |
| *** | HCCL | Hispanic Chamber of Commerce of Louisiana
| |
| ** | HCCL | Hindustan Construction Co Ltd
| |
| ** | HCCL | Human-Computer Communications Laboratory
| |
| ** | HCCL | Hybridoma and Cell Culture Laboratory
| |
| ** | HCCL | Head of Climate Change Laboratory
| |
| ** | HCCL | Hill Country Corporation Limited
| |
| * | HCCL | Humanities Classics and Comparative Literature
| |
| * | HCCL | Half Crystal Can Latching
| |
| * | HCCL | Hanison Construction Company Limited
| |
| * | HCCL | Harvard Catalyst Central Laboratory
| |
| * | HCCL | Hopkinsville Christian County Library (Hopkinsville, KY)
| |
| * | HCCL | HWANGE Colliery Company Limited
| |
| * | HCCL | Hangul and Computer Company Limited
| |
| * | HCCL | Hudswell, Clarke and Company Limited
| |
| * | HCCL | High Collision Concentration Locations
| |
| * | HCCL | Hart of Central California Low
| |
| * | HCCL | Harbour Centre Complex Limited
| |
| * | HCCL | Human Computer Collaborative Learning
| |
| * | HCCL | Hwange Colliery Company Ltd
| |
| * | HCCL | Human Centered Computing Lab
| |