| Chemical Weapon Convention | Academic & Science |
| Community Writing Center | Academic & Science |
| Creative Writing Class | Academic & Science |
| Conseil canadien du bois | Academic & Science |
| Chernovtsy | Airport Code |
| Caribiner International, Inc. | Business |
| Continental Western Corporation | Business |
| Committee on Workers' Capital | Business |
| Cabot Watch Company | Business |
| Community Wireless Corporation | Business |
| Call Work Code | Business |
| Cable&wire Com | Business |
| Canadian Wood Council | Business |
| Cleveland Welding Company | Business |
| Clutch With a Conscience | Business |
| Catskill Watershed Corporation | Business |
| Clyde Workers Committee | Business |
| Christ Wesleyan Church | Community |
| Communication with Communities | Community |
| Corruption Wali Committee | Community |
| California Writers Club | Community |
| Community Water Center | Community |
| Communications With Communities | Community |
| Colleyville Woman's Club | Community |
| Cypriot Wives Club | Community |
| Center for Women and Community | Community |
| Christian Weston Chandler | Community |
| Child Welfare Committee | Community |
| Creative Writing Camp | Community |
| Christian Worship Center | Community |
| Center for Women Community | Community |
| Computing While Charging | Computing |
| Communicating With Computers | Computing |
| Citrix Web Console | Computing |
| Cooperative Web Cache | Computing |
| Cross Worlds Connectors | Computing |
| Cable and Wireless Communications | Computing |
| Congress Working Committee | Country Specific |
| City of Westminster College | Educational Institute |
| Central Wyoming College | Educational Institute |
| Cooking with Caitlin | General |
| Cincinnati Weekend Cuisine | General |
| California Wildlife Center | General |
| Center for Wellness Counseling | General |
| California Window Concepts | General |
| Communicating With Congress | General |
| Caribbean Waterbird Census | General |
| California Water Commission | General |
| Collegiate Wind Competition | General |
| Central Wasatch Commission | General |
| Chad Wild Clay | General |
| Campbell Wyant and Cannon | General |
| Central Wisconsin Center | General |
| Center on Wrongful Convictions | General |
| Centre for Wireless Communications | General |
| Clean Washington Center | General |
| Cold Water Classic | General |
| Coastal Waters Consortium | General |
| Center for Wireless Communication | General |
| Concerned for Working Children | General |
| CADfix Wizard Configuration | General |
| Consider What Counts | General |
| Cherry World Communication | General |
| Compassion Wisdom Courage | General |
| Center for Wireless Communications | General |
| Carrera World Cup | General |
| Custom Wheel Cover | General |
| Clear Window Car | General |
| Car Wheel Cover | General |
| Close With Confidence | General |
| Concrete Water Crossing | General |
| Class Within A Class | General |
| Car Wash Coating | General |
| Car Wash and Coffee | General |
| Curse What Curse | General |
| Car World Club | General |
| Corporate Wear Consultancy | General |
| Car Wrap City | General |
| Charleston Wrecking Crew | General |
| Cambell Wyant Cannon | General |
| Cruel War Commandeos | General |
| Cod War Clan | General |
| Condition Wash Condition | General |
| Connors Writing Center | General |
| Clean Water Construction | General |
| Champions What CWC | General |
| Center for Wellness and Counseling | General |
| Cold Water Consumption | General |
| Closeouts With Class | General |
| Crescent Watch Case | General |
| Czech Web Cor | General |
| Counseling and Wellness Center | General |
| Center for Writing and Communication | General |
| Cerebral Water Content | General |
| Cleland Woolworth Capital | General |
| Continuous Water Circulation | General |
| Collaborative Writing Challenge | General |
| Cubs will choke | General |
| Commonwealth Workforce Coalition | Governmental |
| Coastal Watershed Council | Governmental |
| Clean Water Council | Governmental |
| California Walnut Commission | Governmental |
| Ceylon Workers Congress | Governmental |
| Chatham Wrestling Club | Internet |
| Certified Working Chef (designation of The Canadian Culinary Institute) | Jobs |
| Compressed Worlds Chat | Messaging |
| Chemical Weapons Convention | Military and Defence |
| Composite Warfare Commander | Military and Defence |
| Central Warehousing Corporation | Miniratna Central Public Sector Enterprise |
| Central Water Commission | Ministry of Water Resources |
| Chernovtsy, Ukraine | Regional |
| Choosing Wisely Canada | Regional |
| Canadian Women in Communications | Regional |
| Crime Writers of Canada | Regional |
| Console Window Configuration | Softwares |
| Camsur Watersports Complex | Sports |
| Cricket World Cup | Sports |
| Central Wrestling Circuit | Sports |
| Center Weight Control | Telecommunication |
