- Agriculture, Forestry & Fishing
- Agricultural Production Crops (10)
- Agriculture production livestock and animal specialties (7)
- Agricultural Services (7)
- Construction & Mining
- Oil And Gas Extraction (85)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (16)
- Heavy Construction Other Than Building Construction Contractors (3)
- Construction Special Trade Contractors (46)
- Manufacturing
- Food And Kindred Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (1)
- Printing, Publishing, And Allied Industries (4)
- Chemicals And Allied Products (1)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (1)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (3)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (8)
- Industrial And Commercial Machinery And Computer Equipment (7)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (1)
- Miscellaneous Manufacturing Industries (5)
- Transportation & Utilities
- Motor Freight Transportation And Warehousing (31)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (1)
- Transportation Services (3)
- Communications (9)
- Electric, Gas, And Sanitary Services (11)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (31)
- Wholesale Trade-non-durable Goods (24)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (9)
- General Merchandise Stores (7)
- Food Stores (16)
- Automotive Dealers And Gasoline Service Stations (21)
- Apparel And Accessory Stores (11)
- Home Furniture, Furnishings, And Equipment Stores (11)
- Eating And Drinking Places (32)
- Miscellaneous Retail (58)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (3)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (8)
- Personal Services (32)
- Business Services (225)
- Automotive Repair, Services, And Parking (20)
- Miscellaneous Repair Services (25)
- Motion Pictures (1)
- Amusement And Recreation Services (7)
- Health Services (33)
- Legal Services (6)
- Educational Services (13)
- Social Services (17)
- Membership Organizations (42)
- Engineering, Accounting, Research, Management, And Related Services (26)
- Miscellaneous Services (15)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (3)
- Justice, Public Order, And Safety (7)
- Administration Of Human Resource Programs (2)
- Administration Of Environmental Quality And Housing Programs (1)
- Administration Of Economic Programs (3)
- Nonclassifiable Establishments (130)
