| HCK | Handsfree Car Kit
| Others |
| HCK | Hardware Certification Kit
| Others |
| HCK | Hat Check Kelly
| Others |
| HCK | Hawthorne Cedar Knolls
| Others |
| HCK | Helmet Camera Kit
| Others |
| HCK | Hematopoietic Cell Kinase
| Others |
| HCK | Hemopoetic Cell Kinase
| Others |
| HCK | Hemopoietic Cell Kinase
| Others |
| HCK | High Competition Keywords
| Others |
| HCK | Hill Country Karate
| Others |
| HCK | Home Collection Kit
| Others |
| HCK | Hope Chapel Kaua
| Others |
| HCK | Hose Clamp Kit
| Others |
| HCK | Hospital Compressor Kit
| Others |
| HCK | Howard Combat Kimonos
| Others |
| HCK | Human Corneal Keratocytes
| Others |
| HCK | Tyrosine-protein kinase
| Others |