- Agriculture, Forestry & Fishing
- Agricultural Production Crops (7)
- Agriculture production livestock and animal specialties (2)
- Agricultural Services (31)
- Forestry (1)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (63)
- Heavy Construction Other Than Building Construction Contractors (13)
- Construction Special Trade Contractors (137)
- Manufacturing
- Food And Kindred Products (7)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Lumber And Wood Products, Except Furniture (3)
- Furniture And Fixtures (3)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (16)
- Chemicals And Allied Products (5)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (6)
- Stone, Clay, Glass, And Concrete Products (7)
- Primary Metal Industries (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (19)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (5)
- Transportation Equipment (6)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (6)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (10)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (7)
- Motor Freight Transportation And Warehousing (26)
- United States Postal Service (1)
- Transportation By Air (1)
- Transportation Services (20)
- Communications (8)
- Electric, Gas, And Sanitary Services (6)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (80)
- Wholesale Trade-non-durable Goods (22)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (14)
- General Merchandise Stores (7)
- Food Stores (32)
- Automotive Dealers And Gasoline Service Stations (40)
- Apparel And Accessory Stores (8)
- Home Furniture, Furnishings, And Equipment Stores (17)
- Eating And Drinking Places (54)
- Miscellaneous Retail (68)
- Finance, Insurance & Real Estate (con't)
- Real Estate (54)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (5)
- Personal Services (81)
- Business Services (320)
- Automotive Repair, Services, And Parking (48)
- Miscellaneous Repair Services (78)
- Motion Pictures (13)
- Amusement And Recreation Services (20)
- Health Services (36)
- Legal Services (22)
- Educational Services (25)
- Social Services (47)
- Membership Organizations (74)
- Engineering, Accounting, Research, Management, And Related Services (58)
- Miscellaneous Services (26)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1)
- Justice, Public Order, And Safety (5)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (1)
- Administration Of Economic Programs (2)
- National Security And International Affairs (5)
- Nonclassifiable Establishments (89)
