| Cabinets | Churches | Consultants |
| Cable | Oslo hotels Cigar Cigarette & Tobacco | Contact Lenses |
| Calligraphers | City & Town Planners | Containerized Freight Services |
| Candy | Civil Engineers | Contractors - General |
| Cargo | Cleaners | Poznan luxury hotelsConvention Service & Facilities |
| Carpenters | Cleaning Systems | Convents & Monasteries |
| Carpet | Clergymen | Cookies & Crackers |
| Cash Registers & Supplies | Clinics | Copying & Duplicating Services |
| Caterers | Clocks | Cosmetic & Perfumes |
| Ceilings | Closet Accessories | Cottages |
| Cellular Telephones | Clothing | Counselors |
| Cement | Clowns | Courier Services |
| Cemeteries | Cocktail Lounges | Craft Supplies |
| Zimmer mit Fruhstuck KastrupCeramic Products | Coffee Shops | Cranes |
| Cheque Guaranteeing | Coin Dealers | Credit & Debit Counseling |
| Chemicals | Collection Agencies | Credit Card & Other Credit Plans |
| Childcare Services | Communication | Credit Reporting |
| Children & Infants Wear | Compactors | Credit Unions |
| Chinaware & Glassware | Compressors | Crematoriums |
| Chiropractic | Computers | Cruises |
| Christmas Lights & Decorations | Concrete | Crystal Ware |
| Christmas Trees | Construction Cost Consultants | Custom Brokerage |
| Church Supplies | Construction Estimates | |