- K C S
- D C R
- B & C J Baker
- G C Bateman
- P C Bloye
- D C R Car & Bike Sales
- R C Currah
- J C Emmett
- K C Hutchings
- C C & D J Robbins
- D C D (Launceston)
- E C P & M D Hooper
- E C Thomas
- A C Walters
- B & C Weatherden
- F C Yeo
- F C Yeo & Sons
- Cafe De L'Arche
- Calor Gas Ltd
- Camelford & Delabole Journal Gazette
- Cameo Beauty
- Camrho Nurseries
- Cancer Research UK
- Canworthy Water Methodist Church
- Captain John Hullock
- Car & Commercial Services
- Carpet Cleaning Services
- Castle Bridge Vets Ltd
- Castle Caravans (UK)
- Castle Chicken House
- Castle Interiors
- Castle Jewellers
- Castle Pet Supplies
- Castle Rise Dental Practice
- Catherine Rowe
- Cats Protection League
- Cawsey Commercials Ltd
- Celtic Solar Ltd
- Central Methodist Church
- Chairs
- Chapman T D & Co
- Chapman & Parnell
- Chapmans Well Service Station
- Chapmanswell Caravan Park
- Chiltern Bio-Med
- Chiropody Clinic
- Chris Davey
- Chris Elliott
- S Chudleigh
- Chung Hing Chinese Takeaway
- Churchtown Marketing
- Citizens Advice Bureau
- City Electrical Factors Ltd
- City Plumbing Supplies Holdings Ltd
- Classic Touch
- Clifford's
- Co-operative Pioneer
- Coads Green Methodist Church
- Coads Green Primary School
- Colin Drowne Mobile
- Colin Park Country Hotel For Cats
- Colin Taylor
- Collingwood White Associates Ltd
- Compass Lift Trucks Services Ltd
- Competitive Contract Services
- Connexions Cornwall & Devon Ltd
- Conservative Club
- Coodes
- Coombe Valley Nursery
- Coombe Valley Nursery
- Coombekeale Farm
- Cornish Classic Holidays
- Cornish & Devon Green Funerals
- Cornish Moorland Wines Ltd
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- Cornwall Care
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- Cosigns
- Country Side Accountancy & Business Services
- Country West Trading
- Countryside Furnishers
- County Hardware Ltd
- County Tyre Service (Bristol) Ltd
- Cowslip Workshops
- Cox
- Cozens Cars Of Launceston
- CPL Distribution
- D Crabb
- Craig Chapman
- Cullacott Flowers