| Abbreviation | Definition |
|---|---|
| WCIG | Wolf Creek Idea Group |
| WCII | West Coast Innovations Inc |
| WCIO | Workers Compensation Insurance Organization |
| WCIS | WestCoast Information Services |
| WCIS | World Class Information Systems |
| WCIS | World Class Information Systems, Inc. |
| WCIT | West- Canaan Information Technology |
| WCIT | Worshipful Company of Information Technologists |
| WCJ | WatchCraft Jewellers, Toronto, Canada |
| WCJ | Wing Cheong Jewellery & Jade Company |
| WCJ | Wing Cheong Jewellery & Jade Company, Ltd. |
| WCJP | World Class Jazz Productions |
| WCJS | West Central Joint Services |
| WCK | Western Canoeing & Kayaking |
| WCK | Westman, Champlin, & Kelly |
| WCKB | West Coast Kitchen & Bath |
| WCKI | Waste Connections of Kansas, Inc. |
| WCKI | Wetzel County Kilns, Inc. |
| WCKI | Wetzel County Kilns, Incorporated |
| WCL | Western Coalfields Limited |