| Acronym | Definition |
|---|
| HDCC➣Hawaiian Dredging Construction Company (Honolulu, HI) |
| HDCC➣House Democratic Campaign Committee (political group; various locations) |
| HDCC➣Half-Duplex Cooperative Channels |
| HDCC➣Harley-Davidson Credit Corp. (Carson City, NV) |
| HDCC➣High Desert Christian College (Oregon) |
| HDCC➣Herndon Dulles Chamber of Commerce (Herndon, VA) |
| HDCC➣Health Decisions Community Council (est. 1991; Arizona Health Decisions; Prescott, AZ) |