Companies catalogue
- CBA ATM (Branch), Port Lincoln
- Camden Haven High School, Kew
- Camden Haven Motorcycles, Laurieton
- Centenary Oval, Port Lincoln
- Chris Jenkins Design Architects, Port Macquarie
- City of Port Lincoln Waste Landfilll (Dump), Port Lincoln
- Clean Seas, Port Lincoln
- Clifton Food Store, Port Macquarie
- Coast side auto, Port Macquarie
- Coastal Quarry Products, Wauchope
- Coffin Bay National Park, Coffin Bay
- Coffin Bay Pharmacy Depot, Coffin Bay
- Col's Welding, Port Lincoln
- Comboyne Show Association & Camp Grounds, Comboyne
- Craig Teasdell Architect, Port Macquarie
- Creative Crusts, Belmont
- c2hills consultancy, Lake Cathie