Companies catalogue
- C Smith Copy, Oshawa
- C.A.S. Power Marine Ltd., Ayr
- CCMA Contemporary Conservatory of Music, Richmond Hill
- CCS Industrials, Oshawa
- CDI College, Toronto
- CDI College - Scarborough, Toronto
- CLARS Language Assessment Centre, Richmond Hill
- CMA International, Toronto
- CPO Durham, Whitby
- CSAI, Oshawa
- CSAI, Oshawa
- Call Techelp, Ajax
- Campus Recreation and Wellness Centre, Oshawa
- Canada Customs Dept, Oshawa
- Canada National Defense Dept, Oshawa
- Canada Revenue Agency, Oshawa
- Canadian Building Consulting, Toronto
- Canadian Conservatory of Music, Oshawa
- Canadian Locker Co Ltd, Toronto
- Canary District, Toronto
- CannaBiz Social, Calgary
- Cannet Technology, Toronto
- Canweld Mobile Welding Svc, Edmonton
- Capstone Digital Mining, Oshawa
- Carea Community Health Centre, Oshawa
- Carruthers Creek Golf & Country Club, Ajax
- Carruthers Marsh Pavilion, Ajax
- Cartridge Solutions by Donald Inkjet, Oshawa
- Catulpa Community Support Services, Whitby
- Cavalier Industries Ltd., Whitby
- Cedar Grove Community Centre, Markham
- Cedar Ridge Park, Oshawa
- Cedar Valley Conservation Area, Oshawa
- Cedarhurst, Toronto
- Celina Caesar-Chavannes, Whitby
- Centennial College - Eglinton Learning Site, Toronto
- Centennial College - Morningside Campus, Toronto
- Centennial College - Pickering Learning Site, Pickering
- Centennial College - Progress Campus, Toronto
- Centennial College Child Care Centre, Toronto
- Central East Community Care Access Centre, Whitby
- Central East Correctional Centre, Lindsay
- Centre for Food - Durham College, Whitby
- Chairman's Brands Corporation, Toronto
- Chaz Yorkville, Toronto
- Chopin Park, Oshawa
- Christ's Forgiveness Ministries, Whitby
- Churchill The Information Office, Toronto
- Cisnet, Toronto
- City Of Toronto Archives, Toronto
- City of Kawartha Lakes - City Hall, Lindsay
- City of Pickering, Ajax
- City of Pickering, Pickering
- City of Toronto - Oriole Yard, Toronto
- City of Toronto Election Services, Toronto
- Claremont & District Lions Club, Pickering
- Clarington Community Edu Ctr, Bowmanville
- Clarington Community Education Centre, Bowmanville
- Class Act Entertainment, Ajax
- Clean It Right Inc., Oshawa
- Clear Results Cleaning Inc., Richmond Hill
- Clearbrook Dental, Oshawa
- Club Loreley, Oshawa
- Cocktail House Bar & Lounge, Pickering
- CodeN3ST, Edmonton
- Coffee Time Donuts, Oshawa
- College Hill Public School, Oshawa
- College Park Elementary School, Oshawa
- Columbus Golf & Country Club, Oshawa
- Community Care Durham, Bowmanville
- Community Care Durham-Scugog, Port Perry
- Community Safety and Correctional Services, Toronto
- Compass Group Chartwells, Whitby
- Computer Zone, Oshawa
- Conlin Meadows Park, Oshawa
- Conlin Woods Park, Oshawa
- Consulting Engineers Video-Net, Toronto
- Consumer Proposal Toronto, Toronto
- Cooper Equipment Rentals, Gormley
- Core Coaching Institute, Newmarket
- Corporate Contracting, Ajax
- Correctional Service of Canada, Toronto
- Corridor conservation reserve, Richmond Hill
- Cosme Professional Maintenance, Toronto
- Courtice Community Complex, Courtice
- Courtice Corners Dental, Courtice
- Cove Dentistry, Oshawa
- Covers Canada Burlington, Burlington
- Crescent School, Toronto
- Crestwood Preparatory College, Toronto
- Crestwood School, Toronto
- Crimson Court Park, Oshawa
- Cross Roads Welding, Edmonton
- Crossbridge Condominium Services Ltd., Toronto
- CultureWorks - Campus Corners @ UOIT, Oshawa
- Cyber Security Canada, Call Us Toll Free, Toronto
- Cytelligence, Toronto
- canada post, Courtice
- conlindentistryon@gmail.com, Oshawa
- connectsteel engineering services, Oshawa