- Agriculture, Forestry & Fishing
- Agricultural Production Crops (30)
- Agriculture production livestock and animal specialties (15)
- Agricultural Services (60)
- Forestry (2)
- Fishing, hunting, and trapping (2)
- Construction & Mining
- Oil And Gas Extraction (1)
- Building Construction General Contractors And Operative Builders (117)
- Heavy Construction Other Than Building Construction Contractors (5)
- Construction Special Trade Contractors (194)
- Manufacturing
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (7)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (3)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (7)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (4)
- Industrial And Commercial Machinery And Computer Equipment (3)
- Transportation Equipment (2)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Miscellaneous Manufacturing Industries (7)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1)
- Motor Freight Transportation And Warehousing (40)
- United States Postal Service (3)
- Water Transportation (7)
- Transportation Services (21)
- Communications (10)
- Electric, Gas, And Sanitary Services (2)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (51)
- Wholesale Trade-non-durable Goods (27)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (30)
- General Merchandise Stores (4)
- Food Stores (37)
- Automotive Dealers And Gasoline Service Stations (26)
- Apparel And Accessory Stores (16)
- Home Furniture, Furnishings, And Equipment Stores (34)
- Eating And Drinking Places (68)
- Miscellaneous Retail (84)
- Finance, Insurance & Real Estate (con't)
- Real Estate (107)
- Holding And Other Investment Offices (32)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (17)
- Personal Services (60)
- Business Services (480)
- Automotive Repair, Services, And Parking (33)
- Miscellaneous Repair Services (43)
- Motion Pictures (3)
- Amusement And Recreation Services (28)
- Health Services (66)
- Legal Services (12)
- Educational Services (13)
- Social Services (30)
- Membership Organizations (84)
- Engineering, Accounting, Research, Management, And Related Services (76)
- Miscellaneous Services (38)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1)
- Justice, Public Order, And Safety (4)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (5)
- Administration Of Economic Programs (3)
- National Security And International Affairs (1)
- Nonclassifiable Establishments (209)
