- Agriculture, Forestry & Fishing
- Agricultural Production Crops (9)
- Agriculture production livestock and animal specialties (1)
- Agricultural Services (57)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Coal Mining (1)
- Building Construction General Contractors And Operative Builders (224)
- Heavy Construction Other Than Building Construction Contractors (17)
- Construction Special Trade Contractors (245)
- Manufacturing
- Food And Kindred Products (17)
- Tobacco Products (1)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (14)
- Lumber And Wood Products, Except Furniture (8)
- Furniture And Fixtures (10)
- Paper And Allied Products (12)
- Printing, Publishing, And Allied Industries (51)
- Chemicals And Allied Products (8)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (7)
- Leather And Leather Products (3)
- Primary Metal Industries (3)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (9)
- Industrial And Commercial Machinery And Computer Equipment (26)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (17)
- Manufacturing (con't)
- Transportation Equipment (3)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (15)
- Miscellaneous Manufacturing Industries (19)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (25)
- Motor Freight Transportation And Warehousing (35)
- United States Postal Service (1)
- Water Transportation (3)
- Transportation Services (39)
- Communications (36)
- Electric, Gas, And Sanitary Services (15)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (179)
- Wholesale Trade-non-durable Goods (92)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (44)
- General Merchandise Stores (8)
- Food Stores (70)
- Automotive Dealers And Gasoline Service Stations (39)
- Apparel And Accessory Stores (52)
- Home Furniture, Furnishings, And Equipment Stores (85)
- Eating And Drinking Places (144)
- Miscellaneous Retail (211)
- Finance, Insurance & Real Estate (con't)
- Real Estate (220)
- Holding And Other Investment Offices (57)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (19)
- Personal Services (171)
- Business Services (1039)
- Automotive Repair, Services, And Parking (60)
- Miscellaneous Repair Services (93)
- Motion Pictures (35)
- Amusement And Recreation Services (89)
- Health Services (390)
- Legal Services (79)
- Educational Services (70)
- Social Services (67)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (128)
- Engineering, Accounting, Research, Management, And Related Services (361)
- Miscellaneous Services (45)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (4)
- Justice, Public Order, And Safety (2)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Environmental Quality And Housing Programs (2)
- Administration Of Economic Programs (3)
- National Security And International Affairs (3)
- Nonclassifiable Establishments (352)
