Companies catalogue
- C & C Vocal/Music Services, Guelph
- C.E.S.CO.Signs, Hamilton
- CAPSTONE magazine, Hamilton
- CBC Hamilton, Hamilton
- CBI Health Centre, Hamilton
- CMHA, Simcoe
- CMHA Waterloo Wellington, Cambridge
- CMHA Waterloo Wellington, Kitchener
- CMHA Waterloo Wellington, Waterloo
- CNIB (Canadian National Institute for the Blind), Kitchener
- CNIB (Canadian National Institute for the Blind), Hamilton
- COMA (Central Ontario Musicians Association), Kitchener
- Cal-Scan Services Ltd, Edmonton
- Caledonia & District Pipes & Drums, Caledonia
- Caledonia X-Ray & Ultrasound, Caledonia
- Caledonia X-Ray & Ultrasound, Caledonia
- Calvin klein, Edmonton
- Cambridge Career Connections, Cambridge
- Cambridge City Municipal Elec, Cambridge
- Cambridge Marriage Licenses, Cambridge
- Cambridge Midwives, Cambridge
- Cambridge Naturopathic Clinic, Cambridge
- Cambridge Non-Profit Housing Corporation, Cambridge
- Cambridge Paediatric and Breastfeeding Clinic, Cambridge
- Cambridge Pregnancy Resource Centre/ Dawn Centre, Cambridge
- Cambridge Skating Club, Cambridge
- Cambridge Times, Cambridge
- Cameo Models, Waterloo
- Canada Mold Technology Inc., Woodstock
- Canada National Defense, Brantford
- Canada Stampings, Woodstock
- Canadian Association for Suicide Prevention, Waterloo
- Canadian Cannabis Clinics, Hamilton
- Canadian Cannabis Clinics, Kitchener
- Canadian College Of Massage & Hydrotherapy, Cambridge
- Canadian Cyclist, Brant
- Canadian Lutheran World Relief - Eastern Regional Office, Waterloo
- Canadian Mental Health, Guelph
- Canadian Mental Health Association, Kitchener
- Canadian Mental Health Association, Woodstock
- Canadian Mental Health Association, Hamilton
- Canadian Mental Health Association Waterloo Wellington, Guelph
- Canadian Red Cross, Kitchener
- Canadian Red Cross, Hamilton
- Canadian Red Cross, Woodstock
- Canadian Society Medical Laboratory Science, Hamilton
- Canadian Woodworking, Burford
- Canning Custom Stainless Exhaust, Blandford-Blenheim
- Carl's Choice Meats, Brantford
- Carline Muffler & Brakes, Branchton
- Cascade Geotechnical Inc, Edmonton
- Cash 4 You, Cambridge
- Cash 4 You, Kitchener
- Cash Depot, Hamilton
- Cash Money, Cambridge
- Cash Money, Cambridge
- Cash Money, Kitchener
- Cash Money, Hamilton
- CashMax, Kitchener
- CashMax, Hamilton
- Cashco Financial, Guelph
- Cashmax, Burlington
- Castledowns Basketball Court, Edmonton
- Cat Nanny, Brantford
- Centre For String Playing, Hamilton
- Certispec Services Inc., Hamilton
- Chad St. Aiden – Mediator-Master Negotiator-Paralegal, Hamilton
- Charlton X-Ray & Ultrasound, Hamilton
- Chiefswood Museum, Ohsweken
- Children's Aid Society-Brant, Ohsweken
- Christian Horizons, Branchton
- Christian Horizons, Kitchener
- Christopher Champlain Community Centre, Cambridge
- Cir Mortgage Corporation, Brantford
- City of Waterloo Service Centre, Waterloo
- CityKidz, Hamilton
- Clappison Woods, Burlington
- Club 54 Nightclub, Burlington
- Coast To Coast Miniature Golf, Woodstock
- Community Addiction and Mental Health Services of Haldimand and Norfolk, Townsend
- Community Addiction and Mental Health Services of Haldimand and Norfolk, Simcoe
- Community Development Halton, Burlington
- Community Living Cambridge, Cambridge
- Community Living Six Nations (Ronatahskats), Ohsweken
- Community Midwives Of Hamilton, Hamilton
- Concordia Toastmasters in Waterloo, Kitchener
- Conestoga Lodge Retirement Residence, Kitchener
- Conestoga Meat Packers, Breslau
- Conklin Place, Brantford
- Connect 2 Mortgage Inc, Hamilton
- Connect 2 Mortgages Inc, Brantford
- Corey Pearce Percussion, Hamilton
- Coronation Family Physicians, Cambridge
- Cour de justice de l'Ontario, Cayuga
- Courtney Lynn Makeup Artistry & Lashes, Brant
- Crawford Adjusters Canada, Waterloo
- Creative Carriage Ltd, Saint George
- Cunningham Lindsey, Woodstock
- Cunningham Lindsey Canada Limited, Hamilton
- Cunningham Lindsey Canada Limited, Kitchener