- Agriculture, Forestry & Fishing
- Agricultural Production Crops (60)
- Agriculture production livestock and animal specialties (28)
- Agricultural Services (244)
- Forestry (6)
- Fishing, hunting, and trapping (7)
- Construction & Mining
- Oil And Gas Extraction (3)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (5)
- Building Construction General Contractors And Operative Builders (486)
- Heavy Construction Other Than Building Construction Contractors (37)
- Construction Special Trade Contractors (646)
- Manufacturing
- Food And Kindred Products (58)
- Tobacco Products (1)
- Textile Mill Products (8)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (27)
- Lumber And Wood Products, Except Furniture (28)
- Furniture And Fixtures (28)
- Paper And Allied Products (13)
- Printing, Publishing, And Allied Industries (251)
- Chemicals And Allied Products (87)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (13)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (32)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (47)
- Industrial And Commercial Machinery And Computer Equipment (85)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (55)
- Manufacturing (con't)
- Transportation Equipment (18)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (63)
- Miscellaneous Manufacturing Industries (93)
- Transportation & Utilities
- Railroad Transportation (4)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (45)
- Motor Freight Transportation And Warehousing (170)
- United States Postal Service (9)
- Water Transportation (8)
- Transportation By Air (14)
- Transportation Services (102)
- Communications (212)
- Electric, Gas, And Sanitary Services (63)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (615)
- Wholesale Trade-non-durable Goods (294)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (152)
- General Merchandise Stores (58)
- Food Stores (296)
- Automotive Dealers And Gasoline Service Stations (261)
- Apparel And Accessory Stores (259)
- Home Furniture, Furnishings, And Equipment Stores (381)
- Eating And Drinking Places (910)
- Miscellaneous Retail (982)
- Finance, Insurance & Real Estate (con't)
- Real Estate (1199)
- Holding And Other Investment Offices (267)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (147)
- Personal Services (828)
- Business Services (4101)
- Automotive Repair, Services, And Parking (303)
- Miscellaneous Repair Services (317)
- Motion Pictures (120)
- Amusement And Recreation Services (375)
- Health Services (1149)
- Legal Services (589)
- Educational Services (509)
- Social Services (693)
- Museums, Art Galleries, And Botanical And Zoological Gardens (41)
- Membership Organizations (825)
- Engineering, Accounting, Research, Management, And Related Services (1540)
- Miscellaneous Services (248)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (126)
- Justice, Public Order, And Safety (85)
- Public Finance, Taxation, And Monetary Policy (21)
- Administration Of Human Resource Programs (69)
- Administration Of Environmental Quality And Housing Programs (51)
- Administration Of Economic Programs (80)
- National Security And International Affairs (25)
- Nonclassifiable Establishments (1868)
