- Agriculture, Forestry & Fishing
- Agricultural Production Crops (45)
- Agriculture production livestock and animal specialties (28)
- Agricultural Services (24)
- Forestry (3)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Metal Mining (4)
- Coal Mining (1)
- Oil And Gas Extraction (40)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (47)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (104)
- Manufacturing
- Food And Kindred Products (9)
- Tobacco Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (7)
- Printing, Publishing, And Allied Industries (10)
- Chemicals And Allied Products (3)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (2)
- Leather And Leather Products (2)
- Stone, Clay, Glass, And Concrete Products (5)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (11)
- Industrial And Commercial Machinery And Computer Equipment (13)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (4)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (6)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (45)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (6)
- Pipelines, Except Natural Gas (1)
- Transportation Services (6)
- Communications (20)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (72)
- Wholesale Trade-non-durable Goods (47)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (6)
- Food Stores (23)
- Automotive Dealers And Gasoline Service Stations (47)
- Apparel And Accessory Stores (16)
- Home Furniture, Furnishings, And Equipment Stores (26)
- Eating And Drinking Places (56)
- Miscellaneous Retail (94)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (29)
- Real Estate (73)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (28)
- Personal Services (62)
- Business Services (491)
- Automotive Repair, Services, And Parking (51)
- Miscellaneous Repair Services (50)
- Motion Pictures (11)
- Amusement And Recreation Services (30)
- Health Services (87)
- Legal Services (21)
- Educational Services (36)
- Social Services (59)
- Museums, Art Galleries, And Botanical And Zoological Gardens (5)
- Membership Organizations (53)
- Engineering, Accounting, Research, Management, And Related Services (64)
- Miscellaneous Services (19)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (14)
- Administration Of Human Resource Programs (12)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (7)
- National Security And International Affairs (2)
- Nonclassifiable Establishments (186)
