Businesses and Occupations
- Cirrus Logic Inc
- Cisco Systems Inc
- CITGO Petroleum Corp
- Citigroup Inc
- Citizen Watch Co. Ltd
- Citizens Financial Group Inc
- CKE Restaurants Inc
- CLARCOR Inc
- classification methods
- Clayton Homes Inc
- Cleveland-Cliffs Inc
- clicks and mortar
- Closely held corporations
- CMS Energy Corp
- CNA Financial Corp
- Coach USA Inc
- Coal India Ltd
- Coalition
- Coats plc
- Coca-Cola Beverages