- Agriculture, Forestry & Fishing
- Agricultural Production Crops (129)
- Agriculture production livestock and animal specialties (10)
- Agricultural Services (351)
- Forestry (5)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (4)
- Building Construction General Contractors And Operative Builders (469)
- Heavy Construction Other Than Building Construction Contractors (51)
- Construction Special Trade Contractors (974)
- Manufacturing
- Food And Kindred Products (11)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (33)
- Furniture And Fixtures (8)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (48)
- Chemicals And Allied Products (12)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (12)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (32)
- Primary Metal Industries (6)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (31)
- Industrial And Commercial Machinery And Computer Equipment (36)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (28)
- Transportation Equipment (11)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (21)
- Miscellaneous Manufacturing Industries (49)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (17)
- Motor Freight Transportation And Warehousing (121)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (5)
- Transportation Services (93)
- Communications (75)
- Electric, Gas, And Sanitary Services (32)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (317)
- Wholesale Trade-non-durable Goods (249)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (132)
- General Merchandise Stores (17)
- Food Stores (148)
- Automotive Dealers And Gasoline Service Stations (179)
- Apparel And Accessory Stores (64)
- Home Furniture, Furnishings, And Equipment Stores (157)
- Eating And Drinking Places (219)
- Miscellaneous Retail (328)
- Finance, Insurance & Real Estate (con't)
- Real Estate (280)
- Holding And Other Investment Offices (188)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (29)
- Personal Services (290)
- Business Services (2638)
- Automotive Repair, Services, And Parking (188)
- Miscellaneous Repair Services (241)
- Motion Pictures (40)
- Amusement And Recreation Services (153)
- Health Services (194)
- Legal Services (32)
- Educational Services (76)
- Social Services (121)
- Museums, Art Galleries, And Botanical And Zoological Gardens (1)
- Membership Organizations (297)
- Engineering, Accounting, Research, Management, And Related Services (371)
- Miscellaneous Services (202)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (7)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (6)
- Administration Of Environmental Quality And Housing Programs (5)
- Administration Of Economic Programs (3)
- Nonclassifiable Establishments (1057)
