- Agriculture, Forestry & Fishing
- Agricultural Production Crops (116)
- Agriculture production livestock and animal specialties (37)
- Agricultural Services (447)
- Forestry (26)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Metal Mining (23)
- Coal Mining (5)
- Oil And Gas Extraction (18)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (8)
- Building Construction General Contractors And Operative Builders (902)
- Heavy Construction Other Than Building Construction Contractors (94)
- Construction Special Trade Contractors (1338)
- Manufacturing
- Food And Kindred Products (93)
- Textile Mill Products (14)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (53)
- Lumber And Wood Products, Except Furniture (103)
- Furniture And Fixtures (46)
- Paper And Allied Products (14)
- Printing, Publishing, And Allied Industries (221)
- Chemicals And Allied Products (44)
- Petroleum Refining And Related Industries (14)
- Rubber And Miscellaneous Plastics Products (32)
- Leather And Leather Products (8)
- Stone, Clay, Glass, And Concrete Products (60)
- Primary Metal Industries (28)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (126)
- Industrial And Commercial Machinery And Computer Equipment (169)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (70)
- Transportation Equipment (57)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (55)
- Miscellaneous Manufacturing Industries (163)
- Transportation & Utilities
- Railroad Transportation (4)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (69)
- Motor Freight Transportation And Warehousing (280)
- United States Postal Service (13)
- Water Transportation (12)
- Transportation By Air (32)
- Pipelines, Except Natural Gas (6)
- Transportation Services (142)
- Communications (237)
- Electric, Gas, And Sanitary Services (74)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1043)
- Wholesale Trade-non-durable Goods (427)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (261)
- General Merchandise Stores (66)
- Food Stores (424)
- Automotive Dealers And Gasoline Service Stations (494)
- Apparel And Accessory Stores (267)
- Home Furniture, Furnishings, And Equipment Stores (474)
- Eating And Drinking Places (974)
- Miscellaneous Retail (1337)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (91)
- Insurance Agents, Brokers, And Service (423)
- Real Estate (970)
- Holding And Other Investment Offices (227)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (162)
- Personal Services (1039)
- Business Services (4084)
- Automotive Repair, Services, And Parking (632)
- Miscellaneous Repair Services (504)
- Motion Pictures (117)
- Amusement And Recreation Services (421)
- Health Services (1397)
- Legal Services (476)
- Educational Services (379)
- Social Services (729)
- Museums, Art Galleries, And Botanical And Zoological Gardens (25)
- Membership Organizations (718)
- Engineering, Accounting, Research, Management, And Related Services (1337)
- Miscellaneous Services (276)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (51)
- Justice, Public Order, And Safety (49)
- Public Finance, Taxation, And Monetary Policy (8)
- Administration Of Human Resource Programs (37)
- Administration Of Environmental Quality And Housing Programs (29)
- Administration Of Economic Programs (36)
- National Security And International Affairs (33)
- Nonclassifiable Establishments (1607)
