- Agriculture, Forestry & Fishing
- Agricultural Production Crops (15)
- Agriculture production livestock and animal specialties (4)
- Agricultural Services (78)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (5)
- Building Construction General Contractors And Operative Builders (256)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (383)
- Manufacturing
- Food And Kindred Products (11)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (11)
- Lumber And Wood Products, Except Furniture (6)
- Furniture And Fixtures (9)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (53)
- Chemicals And Allied Products (9)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (4)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (6)
- Industrial And Commercial Machinery And Computer Equipment (15)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (20)
- Transportation Equipment (6)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (11)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (29)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (25)
- Motor Freight Transportation And Warehousing (126)
- United States Postal Service (2)
- Water Transportation (3)
- Transportation By Air (3)
- Transportation Services (91)
- Communications (94)
- Electric, Gas, And Sanitary Services (19)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (232)
- Wholesale Trade-non-durable Goods (103)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (50)
- General Merchandise Stores (20)
- Food Stores (87)
- Automotive Dealers And Gasoline Service Stations (140)
- Apparel And Accessory Stores (90)
- Home Furniture, Furnishings, And Equipment Stores (145)
- Eating And Drinking Places (245)
- Miscellaneous Retail (333)
- Finance, Insurance & Real Estate (con't)
- Real Estate (311)
- Holding And Other Investment Offices (119)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (31)
- Personal Services (296)
- Business Services (1820)
- Automotive Repair, Services, And Parking (204)
- Miscellaneous Repair Services (157)
- Motion Pictures (58)
- Amusement And Recreation Services (149)
- Health Services (475)
- Legal Services (76)
- Educational Services (88)
- Social Services (166)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (218)
- Engineering, Accounting, Research, Management, And Related Services (597)
- Miscellaneous Services (125)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (21)
- Justice, Public Order, And Safety (12)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (9)
- Administration Of Environmental Quality And Housing Programs (8)
- Administration Of Economic Programs (3)
- National Security And International Affairs (8)
- Nonclassifiable Establishments (692)
