- Agriculture, Forestry & Fishing
- Agricultural Production Crops (63)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (41)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (28)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (83)
- Heavy Construction Other Than Building Construction Contractors (14)
- Construction Special Trade Contractors (143)
- Manufacturing
- Food And Kindred Products (7)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (2)
- Furniture And Fixtures (3)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (6)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (11)
- Stone, Clay, Glass, And Concrete Products (9)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (16)
- Industrial And Commercial Machinery And Computer Equipment (20)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (3)
- Transportation Equipment (11)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (16)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (4)
- Motor Freight Transportation And Warehousing (55)
- Water Transportation (1)
- Transportation By Air (2)
- Pipelines, Except Natural Gas (1)
- Transportation Services (11)
- Communications (28)
- Electric, Gas, And Sanitary Services (12)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (113)
- Wholesale Trade-non-durable Goods (34)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (29)
- General Merchandise Stores (22)
- Food Stores (56)
- Automotive Dealers And Gasoline Service Stations (93)
- Apparel And Accessory Stores (53)
- Home Furniture, Furnishings, And Equipment Stores (61)
- Eating And Drinking Places (130)
- Miscellaneous Retail (190)
- Finance, Insurance & Real Estate (con't)
- Real Estate (103)
- Holding And Other Investment Offices (20)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (21)
- Personal Services (106)
- Business Services (683)
- Automotive Repair, Services, And Parking (76)
- Miscellaneous Repair Services (88)
- Motion Pictures (19)
- Amusement And Recreation Services (39)
- Health Services (145)
- Legal Services (49)
- Educational Services (47)
- Social Services (78)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (115)
- Engineering, Accounting, Research, Management, And Related Services (94)
- Miscellaneous Services (23)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (23)
- Justice, Public Order, And Safety (12)
- Administration Of Human Resource Programs (6)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (2)
- National Security And International Affairs (5)
- Nonclassifiable Establishments (220)
