| WECA | The Wireless Ethernet Capability Alliance 
| Others |
| WECA | Washington Exchange Carrier Association
| Others |
| WECA | West End Civic Association
| Others |
| WECA | West of England Combined Authority
| Others |
| WECA | Westchester Emergency Communications Association
| Others |
| WECA | Western Electrical Contractors Association
| Others |
| WECA | Western Erie Canal Alliance
| Others |
| WECA | Wilson Early College Academy
| Others |
| WECA | Winbond Electronics Corporation Of America
| Others |
| WECA | Wireless Ethernet Compatibility Alliance
| Others |
| WECA | Wisconsin Early Childhood Association
| Others |
| WECA | Wisconsin Electric Cooperative Association
| Others |
| WECA | Work Experience Coordinators Association
| Others |
| WECA | Work Experience Coordinators' Association
| Others |
| WECA | World E-Commerce Association
| Others |
| WECA | Wuhan E-Commerce Association
| Others |