- Agriculture, Forestry & Fishing
- Agricultural Production Crops (21)
- Agriculture production livestock and animal specialties (26)
- Agricultural Services (99)
- Forestry (5)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Metal Mining (10)
- Oil And Gas Extraction (38)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (11)
- Building Construction General Contractors And Operative Builders (270)
- Heavy Construction Other Than Building Construction Contractors (30)
- Construction Special Trade Contractors (326)
- Manufacturing
- Food And Kindred Products (24)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (13)
- Lumber And Wood Products, Except Furniture (18)
- Furniture And Fixtures (12)
- Paper And Allied Products (7)
- Printing, Publishing, And Allied Industries (73)
- Chemicals And Allied Products (16)
- Petroleum Refining And Related Industries (5)
- Rubber And Miscellaneous Plastics Products (16)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (17)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (38)
- Industrial And Commercial Machinery And Computer Equipment (57)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (35)
- Manufacturing (con't)
- Transportation Equipment (8)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (30)
- Miscellaneous Manufacturing Industries (51)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (9)
- Motor Freight Transportation And Warehousing (59)
- United States Postal Service (2)
- Water Transportation (2)
- Transportation By Air (4)
- Transportation Services (44)
- Communications (62)
- Electric, Gas, And Sanitary Services (35)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (236)
- Wholesale Trade-non-durable Goods (113)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (42)
- General Merchandise Stores (9)
- Food Stores (72)
- Automotive Dealers And Gasoline Service Stations (68)
- Apparel And Accessory Stores (59)
- Home Furniture, Furnishings, And Equipment Stores (67)
- Eating And Drinking Places (190)
- Miscellaneous Retail (275)
- Finance, Insurance & Real Estate (con't)
- Real Estate (358)
- Holding And Other Investment Offices (160)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (43)
- Personal Services (153)
- Business Services (2031)
- Automotive Repair, Services, And Parking (119)
- Miscellaneous Repair Services (147)
- Motion Pictures (36)
- Amusement And Recreation Services (107)
- Health Services (177)
- Legal Services (94)
- Educational Services (100)
- Social Services (88)
- Museums, Art Galleries, And Botanical And Zoological Gardens (15)
- Membership Organizations (158)
- Engineering, Accounting, Research, Management, And Related Services (758)
- Miscellaneous Services (123)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (28)
- Justice, Public Order, And Safety (35)
- Public Finance, Taxation, And Monetary Policy (5)
- Administration Of Human Resource Programs (7)
- Administration Of Environmental Quality And Housing Programs (16)
- Administration Of Economic Programs (14)
- National Security And International Affairs (6)
- Nonclassifiable Establishments (608)
