- Agriculture, Forestry & Fishing
- Agricultural Production Crops (8)
- Agriculture production livestock and animal specialties (22)
- Agricultural Services (19)
- Forestry (2)
- Construction & Mining
- Oil And Gas Extraction (60)
- Building Construction General Contractors And Operative Builders (23)
- Heavy Construction Other Than Building Construction Contractors (12)
- Construction Special Trade Contractors (55)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (2)
- Lumber And Wood Products, Except Furniture (8)
- Printing, Publishing, And Allied Industries (7)
- Chemicals And Allied Products (4)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (2)
- Stone, Clay, Glass, And Concrete Products (1)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (4)
- Industrial And Commercial Machinery And Computer Equipment (9)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Miscellaneous Manufacturing Industries (5)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (21)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation By Air (1)
- Pipelines, Except Natural Gas (3)
- Transportation Services (3)
- Communications (12)
- Electric, Gas, And Sanitary Services (22)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (46)
- Wholesale Trade-non-durable Goods (27)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (11)
- Food Stores (33)
- Automotive Dealers And Gasoline Service Stations (40)
- Apparel And Accessory Stores (16)
- Home Furniture, Furnishings, And Equipment Stores (29)
- Eating And Drinking Places (35)
- Miscellaneous Retail (93)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (15)
- Real Estate (34)
- Holding And Other Investment Offices (10)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (14)
- Personal Services (47)
- Business Services (448)
- Automotive Repair, Services, And Parking (35)
- Miscellaneous Repair Services (27)
- Motion Pictures (4)
- Amusement And Recreation Services (24)
- Health Services (52)
- Legal Services (15)
- Educational Services (17)
- Social Services (26)
- Membership Organizations (81)
- Engineering, Accounting, Research, Management, And Related Services (31)
- Miscellaneous Services (16)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (7)
- Justice, Public Order, And Safety (11)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (5)
- Nonclassifiable Establishments (169)
