- Agriculture, Forestry & Fishing
- Agricultural Production Crops (14)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (35)
- Forestry (18)
- Construction & Mining
- Oil And Gas Extraction (6)
- Building Construction General Contractors And Operative Builders (102)
- Heavy Construction Other Than Building Construction Contractors (9)
- Construction Special Trade Contractors (121)
- Manufacturing
- Food And Kindred Products (7)
- Textile Mill Products (2)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (18)
- Furniture And Fixtures (1)
- Printing, Publishing, And Allied Industries (16)
- Chemicals And Allied Products (6)
- Petroleum Refining And Related Industries (1)
- Rubber And Miscellaneous Plastics Products (3)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (4)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (8)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (2)
- Transportation Equipment (3)
- Miscellaneous Manufacturing Industries (7)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (3)
- Motor Freight Transportation And Warehousing (13)
- United States Postal Service (1)
- Water Transportation (1)
- Transportation Services (15)
- Communications (12)
- Electric, Gas, And Sanitary Services (4)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (29)
- Wholesale Trade-non-durable Goods (13)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (20)
- General Merchandise Stores (3)
- Food Stores (22)
- Automotive Dealers And Gasoline Service Stations (14)
- Apparel And Accessory Stores (21)
- Home Furniture, Furnishings, And Equipment Stores (28)
- Eating And Drinking Places (83)
- Miscellaneous Retail (80)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (35)
- Personal Services (55)
- Business Services (383)
- Automotive Repair, Services, And Parking (25)
- Miscellaneous Repair Services (19)
- Motion Pictures (9)
- Amusement And Recreation Services (50)
- Health Services (72)
- Legal Services (26)
- Educational Services (25)
- Social Services (29)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (47)
- Engineering, Accounting, Research, Management, And Related Services (100)
- Miscellaneous Services (19)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (1)
- Justice, Public Order, And Safety (2)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (1)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (1)
- Nonclassifiable Establishments (200)
