- Agriculture, Forestry & Fishing
- Agricultural Production Crops (77)
- Agriculture production livestock and animal specialties (33)
- Agricultural Services (82)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (5)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (178)
- Heavy Construction Other Than Building Construction Contractors (13)
- Construction Special Trade Contractors (299)
- Manufacturing
- Food And Kindred Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (10)
- Lumber And Wood Products, Except Furniture (15)
- Furniture And Fixtures (8)
- Paper And Allied Products (5)
- Printing, Publishing, And Allied Industries (29)
- Chemicals And Allied Products (11)
- Petroleum Refining And Related Industries (3)
- Rubber And Miscellaneous Plastics Products (10)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (9)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (16)
- Industrial And Commercial Machinery And Computer Equipment (21)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (9)
- Transportation Equipment (5)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Miscellaneous Manufacturing Industries (12)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (6)
- Motor Freight Transportation And Warehousing (57)
- United States Postal Service (1)
- Transportation Services (19)
- Communications (17)
- Electric, Gas, And Sanitary Services (19)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (104)
- Wholesale Trade-non-durable Goods (37)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (36)
- General Merchandise Stores (9)
- Food Stores (52)
- Automotive Dealers And Gasoline Service Stations (80)
- Apparel And Accessory Stores (15)
- Home Furniture, Furnishings, And Equipment Stores (47)
- Eating And Drinking Places (86)
- Miscellaneous Retail (146)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (30)
- Real Estate (149)
- Holding And Other Investment Offices (38)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (103)
- Business Services (863)
- Automotive Repair, Services, And Parking (104)
- Miscellaneous Repair Services (55)
- Motion Pictures (8)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (107)
- Engineering, Accounting, Research, Management, And Related Services (120)
- Miscellaneous Services (29)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (13)
- Justice, Public Order, And Safety (15)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (4)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (6)
- Nonclassifiable Establishments (287)