- Agriculture, Forestry & Fishing
- Agricultural Production Crops (50)
- Agriculture production livestock and animal specialties (19)
- Agricultural Services (265)
- Forestry (7)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (1)
- Oil And Gas Extraction (6)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (6)
- Building Construction General Contractors And Operative Builders (459)
- Heavy Construction Other Than Building Construction Contractors (46)
- Construction Special Trade Contractors (673)
- Manufacturing
- Food And Kindred Products (24)
- Textile Mill Products (8)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (35)
- Lumber And Wood Products, Except Furniture (25)
- Furniture And Fixtures (9)
- Paper And Allied Products (8)
- Printing, Publishing, And Allied Industries (119)
- Chemicals And Allied Products (44)
- Petroleum Refining And Related Industries (4)
- Rubber And Miscellaneous Plastics Products (18)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (28)
- Primary Metal Industries (26)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (87)
- Industrial And Commercial Machinery And Computer Equipment (114)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (117)
- Manufacturing (con't)
- Transportation Equipment (79)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (88)
- Miscellaneous Manufacturing Industries (72)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (23)
- Motor Freight Transportation And Warehousing (161)
- United States Postal Service (7)
- Water Transportation (7)
- Transportation By Air (30)
- Transportation Services (94)
- Communications (177)
- Electric, Gas, And Sanitary Services (35)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (692)
- Wholesale Trade-non-durable Goods (228)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (143)
- General Merchandise Stores (84)
- Food Stores (267)
- Automotive Dealers And Gasoline Service Stations (341)
- Apparel And Accessory Stores (285)
- Home Furniture, Furnishings, And Equipment Stores (333)
- Eating And Drinking Places (631)
- Miscellaneous Retail (935)
- Finance, Insurance & Real Estate (con't)
- Real Estate (783)
- Holding And Other Investment Offices (114)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (83)
- Personal Services (789)
- Business Services (3122)
- Automotive Repair, Services, And Parking (377)
- Miscellaneous Repair Services (257)
- Motion Pictures (82)
- Amusement And Recreation Services (297)
- Health Services (973)
- Legal Services (333)
- Educational Services (276)
- Social Services (337)
- Museums, Art Galleries, And Botanical And Zoological Gardens (20)
- Membership Organizations (604)
- Engineering, Accounting, Research, Management, And Related Services (1344)
- Miscellaneous Services (144)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (90)
- Justice, Public Order, And Safety (29)
- Public Finance, Taxation, And Monetary Policy (15)
- Administration Of Human Resource Programs (18)
- Administration Of Environmental Quality And Housing Programs (15)
- Administration Of Economic Programs (32)
- National Security And International Affairs (85)
- Nonclassifiable Establishments (1207)
