- Agriculture, Forestry & Fishing
- Agricultural Production Crops (30)
- Agriculture production livestock and animal specialties (40)
- Agricultural Services (193)
- Forestry (3)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Oil And Gas Extraction (4)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (448)
- Heavy Construction Other Than Building Construction Contractors (65)
- Construction Special Trade Contractors (683)
- Manufacturing
- Food And Kindred Products (39)
- Textile Mill Products (21)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (39)
- Lumber And Wood Products, Except Furniture (44)
- Furniture And Fixtures (31)
- Paper And Allied Products (10)
- Printing, Publishing, And Allied Industries (209)
- Chemicals And Allied Products (71)
- Petroleum Refining And Related Industries (11)
- Rubber And Miscellaneous Plastics Products (36)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (52)
- Primary Metal Industries (26)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (105)
- Industrial And Commercial Machinery And Computer Equipment (194)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (205)
- Manufacturing (con't)
- Transportation Equipment (38)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (84)
- Miscellaneous Manufacturing Industries (131)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (41)
- Motor Freight Transportation And Warehousing (162)
- United States Postal Service (4)
- Water Transportation (6)
- Transportation By Air (38)
- Pipelines, Except Natural Gas (1)
- Transportation Services (171)
- Communications (203)
- Electric, Gas, And Sanitary Services (42)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (944)
- Wholesale Trade-non-durable Goods (343)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (126)
- General Merchandise Stores (42)
- Food Stores (242)
- Automotive Dealers And Gasoline Service Stations (260)
- Apparel And Accessory Stores (243)
- Home Furniture, Furnishings, And Equipment Stores (355)
- Eating And Drinking Places (776)
- Miscellaneous Retail (842)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (225)
- Real Estate (978)
- Holding And Other Investment Offices (633)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (111)
- Personal Services (574)
- Business Services (4049)
- Automotive Repair, Services, And Parking (364)
- Miscellaneous Repair Services (436)
- Motion Pictures (148)
- Amusement And Recreation Services (351)
- Health Services (855)
- Legal Services (259)
- Educational Services (323)
- Social Services (282)
- Museums, Art Galleries, And Botanical And Zoological Gardens (17)
- Membership Organizations (476)
- Engineering, Accounting, Research, Management, And Related Services (1539)
- Miscellaneous Services (190)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (40)
- Justice, Public Order, And Safety (22)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (9)
- Administration Of Environmental Quality And Housing Programs (10)
- Administration Of Economic Programs (13)
- National Security And International Affairs (7)
- Nonclassifiable Establishments (2828)
