Cane Sugar Refining
Canvas and Related Product Mills
Carbon and Graphite Product Manufacturing
Carbon Paper and Inked Ribbon Manufacturing
Carburetor, Piston, Piston Ring, and Valve Manufacturing
Carpet and Rug Mills
Carpet and Upholstery Cleaning Services
Cattle Feedlots
Cellulosic Organic Fiber Manufacturing
Cement Manufacturing
Ceramic Wall and Floor Tile Manufacturing
Cheese Manufacturing
CHEMICAL MANUFACTURING
Chicken Egg Production
Chocolate and Confectionery Manufacturing from Cacao Beans
Cigarette Manufacturing
Citrus (except Orange) Groves
Clay and Ceramic and Refractory Minerals Mining
Clay Refractory Manufacturing
Coffee and Tea Manufacturing
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
Commercial and Institutional Building Construction
Commercial Bakeries
Commercial Flexographic Printing
Commercial Gravure Printing
Commercial Laundry, Drycleaning, and Pressing Machine Manufacturing
Commercial Lithographic Printing
Commercial Photography
Commercial Screen Printing
Commercial, Industrial, and Institutional Electric Lighting Fixture Manufacturing
Communication Equipment Repair and Maintenance
COMPUTER AND ELECTRONIC PRODUCT MANUFACTURING
Computer and Office Machine Repair and Maintenance
Computer Storage Device Manufacturing
Computer Terminal Manufacturing
Concrete Block and Brick Manufacturing
Concrete Pipe Manufacturing
Confectionery Manufacturing from Purchased Chocolate
Construction Machinery Manufacturing
CONSTRUCTION OF BUILDINGS
Construction Sand and Gravel Mining
Consumer Electronics Repair and Maintenance
Conveyor and Conveying Equipment Manufacturing
Cookie and Cracker Manufacturing
Copper Foundries (except Die-Casting)
Copper Ore and Nickel Ore Mining
Corn Farming
Cosmetology and Barber Schools
Costume Jewelry and Novelty Manufacturing
Cotton Farming
Cotton Ginning
Creamery Butter Manufacturing
Crop Harvesting, Primarily by Machine
CROP PRODUCTION
Crown and Closure Manufacturing
Crude Petroleum and Natural Gas Extraction
Crushed and Broken Granite Mining and Quarrying
Crushed and Broken Limestone Mining and Quarrying
Current-Carrying Wiring Device Manufacturing
Curtain and Drapery Mills
Custom Compounding of Purchased Resins
Custom Roll Forming
Cut Stock, Resawing Lumber, and Planing
Cut Stone and Stone Product Manufacturing
Cutlery and Flatware (except Precious) Manufacturing
Cutting Tool and Machine Tool Accessory Manufacturing
Cyclic Crude and Intermediate Manufacturing