- Agriculture, Forestry & Fishing
- Agricultural Production Crops (34)
- Agriculture production livestock and animal specialties (7)
- Agricultural Services (612)
- Forestry (1)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Metal Mining (2)
- Oil And Gas Extraction (32)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (1348)
- Heavy Construction Other Than Building Construction Contractors (60)
- Construction Special Trade Contractors (1492)
- Manufacturing
- Food And Kindred Products (127)
- Textile Mill Products (21)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (84)
- Lumber And Wood Products, Except Furniture (56)
- Furniture And Fixtures (42)
- Paper And Allied Products (29)
- Printing, Publishing, And Allied Industries (423)
- Chemicals And Allied Products (119)
- Petroleum Refining And Related Industries (23)
- Rubber And Miscellaneous Plastics Products (39)
- Leather And Leather Products (9)
- Stone, Clay, Glass, And Concrete Products (53)
- Primary Metal Industries (70)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (232)
- Industrial And Commercial Machinery And Computer Equipment (206)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (82)
- Manufacturing (con't)
- Transportation Equipment (97)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (39)
- Miscellaneous Manufacturing Industries (169)
- Transportation & Utilities
- Railroad Transportation (9)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (193)
- Motor Freight Transportation And Warehousing (625)
- United States Postal Service (31)
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- Pipelines, Except Natural Gas (1)
- Transportation Services (603)
- Communications (452)
- Electric, Gas, And Sanitary Services (160)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1228)
- Wholesale Trade-non-durable Goods (730)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (279)
- General Merchandise Stores (190)
- Food Stores (1194)
- Automotive Dealers And Gasoline Service Stations (926)
- Apparel And Accessory Stores (845)
- Home Furniture, Furnishings, And Equipment Stores (564)
- Eating And Drinking Places (2031)
- Miscellaneous Retail (2268)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (260)
- Real Estate (1812)
- Holding And Other Investment Offices (784)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (164)
- Personal Services (2828)
- Business Services (8615)
- Automotive Repair, Services, And Parking (1480)
- Miscellaneous Repair Services (1261)
- Motion Pictures (313)
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- Health Services (1775)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (53)
- Membership Organizations (2670)
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- Miscellaneous Services (679)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (158)
- Justice, Public Order, And Safety (165)
- Public Finance, Taxation, And Monetary Policy (34)
- Administration Of Human Resource Programs (124)
- Administration Of Environmental Quality And Housing Programs (95)
- Administration Of Economic Programs (58)
- National Security And International Affairs (38)
- Nonclassifiable Establishments (3938)
