| | |
| Agricultural Production Crops | |
| Agricultural Production Livestock and Animal Specialties | |
| Agricultural Services | |
| Forestry | |
| Fishing, Hunting, and Trapping | |
| Metal Mining | |
| Anthracite | |
| Coal Mining | |
| Oil and Gas Extraction | |
| Mining & Quarrying of Nonmetallic Minerals, except Fuels | |
| Building Construction | |
| Heavy Construction | |
| Special Trade Contractors | |
| Food and Kindred Products ( 2 ) | |
| Tobacco Products | |
| Textile Mill Products ( 1 ) | |
| Apparel & other finished products made from fabric & similar materials | |
| Lumber and Wood Products | |
| Furniture and Fixtures ( 1 ) | |
| Paper and Allied Products ( 1 ) | |
| Printing, Publishing & Allied Industries | |
| Chemicals and Allied Products ( 2 ) | |
| Petroleum Refining & Related Industries | |
| Rubber and Miscellaneous Plastic Products | |
| Leather and Leather Products | |
| Stone, Clay, Glass and Concrete Products | |
| Primary Metal Industries | |
| Fabricated Metal Products, except Machinery ( 4 ) | |
| Industrial & Commercial Machinery & Computer Equipment ( 8 ) | |
| Electronic & other Electrical Equipment & components, except Computer Equipment | |
| Transportation Equipment ( 1 ) | |
| Measiring, Analysing & Controlling Instruments ( 1 ) | |
| Miscellaneous Manufacturing Industries | |
| Railroad Transportation | |
| Local & Suburban Transit & Interurban Highway Passenger Transportation | |
| Motor Freight Transportation & Warehousing | |
| Postal Service | |
| Water Transportation | |
| Transportation by Air | |
| Pipelines, except Natural Gas | |
| Transportation Services | |
| Communications | |
| Electric, Gas & Sanitary Services | |
| Wholesale Trade Durable Goods | |
| Wholesale Trade Nondurable Goods | |
| Building Materials, Hardware Garden Supply and Mobile Home Dealers | |
| General Merchandise Shops | |
| Food Shops | |
| Automotive Dealers & Petrol Stations | |
| Apparel & Accessory Shops ( 1 ) | |
| Home Furniture, Furnishings & Equipment Shops | |
| Eating & Drinking Places | |
| Miscellaneous Retail | |
| Banks & Licensed Deposit Takers | |
| Security & Commodity Brokers, Dealers, Exchanges & Services | |
| Insurance Carriers | |
| Real State | |
| Holding and other Investment Offices | |
| Hotels, Rooming Houses, Camps & other Lodging Places | |
| Personal Services | |
| Business Services ( 3 ) | |
| Automotive Repair, Services and Parking | |
| Miscellaneous Repair Services ( 1 ) | |
| | |
| Amusement and Recreation Services | |
| Health Services | |
| Legal Services | |
| Education Services | |
| Social Services | |
| Museums, Art Galeries and Botanical Zoological Gardens | |
| Membership Organisations | |
| Private Households | |
| Miscellaneous Services | |
| Executive, Legislative, and General Government, except Finance | |
| National security and international affairs | |
| Federal and federally sponsored credit agencies | |
| Insurance agents, brokers, and service | |
| Mixed Companies | |
| Film Production, Except TV | |
| Film Production for TV | |
| Services allied to motion pictures | |
| Film Distributors | |
| Film or Tape Distribution for TV | |
| Motion picture distribution services | |
| Motion picture theaters, except drive in | |
| Drive in motion picture theaters | |
| Fire protection | |
| Nonclassifiable establishments | |
