| Automotive |
| 2296 | Tire Cord & Fabric |
| 3011 | Tires & Inner Tubes |
| 3465 | Automotive Stampings |
| 3592 | Carburetors, Pistons, Piston Rings & Valves |
| 3647 | Vehicular Lighting Equipment |
| 3694 | Electrical Equipment for Internal Combustion Engines |
| 3711 | Motor Vehicle & Passenger Car Bodies |
| 3713 | Truck & Bus Bodies |
| 3714 | Motor Vehicle Parts & Accessories |
| 3715 | Truck Trailers |
| 3792 | Travel Trailers & Campers |
| Transportation Systems |
| 4011 | Railroads Line-Haul Operating |
| 4013 | Railroad Switching & Terminal Establishments |
| 4111 | Local & Suburbon Transit |
| 4119 | Local Passenger Transportation |
| 4173 | Terminal & Passenger Transportation Service Facilities for Motor Vehicles |
| 4231 | Terminal & Joint Terminal Maintenance Facilities for Motor Freight Transportation |
| 4412 | Deep Sea Freight Transportation - Foreign |
| 4449 | Freight Transportation - Water |
| 4481 | Passenger Transportation - Deep Sea |
| 4489 | Water Transportation - Passenger |
| 4491 | Marine Cargo Handling |
| 4499 | Water Transportation Services |
| 4581 | Airports |
| Heavy Manufacturing |
| 3511 | Steam, Gas & Hydraulic Turbines |
| 3519 | Internal Combustion Engines |
| 3523 | Farm Machinery & Equipment |
| 3524 | Lawn & Garden Tractors, Home Lawn & Garden Equipment |
| 3531 | Construction Machinery & Equipment |
| 3532 | Mining Machinery & Equipment, Except Oil & Gas Field Machine |
| 3533 | Oil & Gas Field Machinery & Equipment |
| 3535 | Conveyors & Conveying Equipment |
| 3537 | Industrial Trucks, Tractors & Trailers |
| 3561 | Pumps & Pumping Equipment |
| 3563 | Air & Gas Compressors |
| 3564 | Industrial & Commercial Fans, Blowers & Air Purification Equipment |
| 3567 | Industrial Process Furnaces & Ovens |
| 3568 | Mechanical Power Transmission Equipment |
| 3585 | Air Conditioning, Warm Air Heating Equipment & Refrigeration |
| 3592 | Carburetors, Pistons, Piston Rings & Valves |
| 3599 | Industrial & Commercial Machinery & Equipment |
| 3612 | Power, Distribution & Specialty Transformers |
| 3631 | Household Cooking Equipment |
| 3632 | Household Refrigerators & Home & Farm Freezers |
| 3633 | Household Laundry Equipment |
| 3721 | Aircraft |
| 3724 | Aircraft Engines & Engine Parts |
| 3728 | Aircraft Parts & Auxiliary Equipment |
| 3731 | Ship Building & Repairing |
| 3732 | Boat Building & Repairing |
| 3743 | Railroad Equipment |
| 3751 | Motorcycles Bicycles & Parts |
| 3761 | Guided Missiles & Space Vehicles |
| 3764 | Guided Missiles & Space Vehicle Propulsion Units |
| 3769 | Guided Missiles & Space Vehicle Equipment |
| 3795 | Tanks & Tank Components |
| Universities (Infrastructure) |
| 8221 | Universities |
| Distribution & Warehousing |
| 4222 | Refrigerated Warehousing & Storage |
| 4225 | General Warehousing & Storage |
| 4226 | Special Warehousing & Storage |
| 4311 | U.S. Postal Service |
| 4513 | Air Courier Services |
| Plastics & Rubber Products |
| 3011 | Tires & Inner Tubes |
| 3052 | Rubber & Plastic Hose & Belting |
| 3053 | Gaskets Packing & Sealing Devices |
| 3061 | Molded Extruded & Lathe-Cut Rubber Goods |
| 3069 | Fabricated Rubber Products |
| 3081 | Unsupported Plastics Film & Sheet |
| 3083 | Laminated Plastics Plate Sheet & Profile Shapes |
| 3084 | Plastic Pipe |
| 3085 | Plastic Bottles |
| 3086 | Plastic Foam Products |
| 3089 | Plastic Products |
| Printing & Publishing |
| 2711 | Newspaper: Publishing or Publishing & Printing |
| 2752 | Commerial Printing Lithographic |
| 2754 | Commercial Printing Gravure |
| 2759 | Commercial Printing |
| Semiconductors & Computers |
| 3571 | Electronic Computers |
| 3672 | Printed Circuit Boards |
| 3674 | Semiconductors & Related Devices |
| 3679 | Electronic Components |
| Housing, Building Products & Furniture |
| 2431 | Millwork |
| 2434 | Wood Kitchen Cabinets |
| 2451 | Mobile Homes |
| 2511 | Wood Household Furniture Except Upholstered |
| 2512 | Wood Household Furniture Upholstered |
| 2952 | Asphalt Felts & Coatings |
| 3631 | Household Cooking Equipment |
| 3632 | Household Refrigerators & Home & Farm Freezers |
| 3633 | Household Laundry Equipment |
| 3639 | Household Appliances |
| 3641 | Electric Lamp Bulbs & Tubes |
| 3643 | Current-Carrying Wiring Devices |
| 3612 | Power, Distribution & Specialty Transformers |
| 3613 | Switchgear & Switchboard Apparatus |
| 3621 | Motors & Generators |
| 3624 | Carbon & Graphite Products |
| 3691 | Storage Batteries |
| 3692 | Primary Batteries, Dry & Wet |
| Textiles |
| 2221 | Broad woven Fabric Mills & Man-Made Fibers |
| 2231 | Broad Woven Fabric Mills Wool |
| 2273 | Carpets & Rugs |
| 2281 | Yarn Spinning Mills |
| 2296 | Tire Cord & Fabric |
| 2297 | Nonwoven Fabrics |
| Fabricated Metal Products |
| 3357 | Drawing & Insulating of Nonferrous Wire |
| 3411 | Metal Cans |
| 3412 | Metal Shipping Barrels, Drums, Kegs & Pails |
| 3421 | Cutlery |
| 3423 | Hand & Edge Tools, Except Machine Tools & Hand Saws |
| 3425 | Hand Saws & Blades |
| 3429 | Hardware, NEC |
| 3431 | Enameled Iron & Metal Sanitary Ware |
| 3442 | Metal Doors, Sash, Frames, Molding & Trim |
| 3444 | Sheet Metal Work |
| 3446 | Architectural & Ornamental Metal Work |
| 3448 | Prefabricated Metal Buildings & Components |
| 3451 | Screw Machine Products |
| 3452 | Bolts, Nuts, Screws, Rivets & Washers |
| 3465 | Automotive Stampings |
| 3466 | Metal Crowns & Closures |
| 3469 | Metal Stampings |
| 3482 | Small Arms Ammunition |
| 3483 | Ammunition, Except Small Arms |
| 3484 | Small Arms |
| 3489 | Ordnance & Accessories |
| 3491 | Industrial Valves |
| 3492 | Fluid Power Valves & Hose Fittings |
| 3493 | Steel Springs, Except Wire |
| 3494 | Valves & Pipe Fittings |
| 3495 | Wire Springs |
| 3496 | Miscellaneous Fabricated Wire Products |
| 3497 | Metal Foil & Leaf |
| 3498 | Fabricated Pipe & Fabricated Pipe Fittings |
| 3499 | Fabricated Metal Products |
| 3624 | Carbon and Graphite Products |