- Agriculture, Forestry & Fishing
- Agricultural Production Crops (80)
- Agriculture production livestock and animal specialties (20)
- Agricultural Services (60)
- Construction & Mining
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (95)
- Heavy Construction Other Than Building Construction Contractors (13)
- Construction Special Trade Contractors (158)
- Manufacturing
- Food And Kindred Products (6)
- Textile Mill Products (1)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (5)
- Lumber And Wood Products, Except Furniture (12)
- Furniture And Fixtures (4)
- Paper And Allied Products (2)
- Printing, Publishing, And Allied Industries (21)
- Chemicals And Allied Products (6)
- Petroleum Refining And Related Industries (2)
- Rubber And Miscellaneous Plastics Products (9)
- Leather And Leather Products (1)
- Stone, Clay, Glass, And Concrete Products (6)
- Primary Metal Industries (5)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (20)
- Industrial And Commercial Machinery And Computer Equipment (46)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (7)
- Transportation Equipment (4)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (5)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (22)
- Transportation & Utilities
- Railroad Transportation (2)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (7)
- Motor Freight Transportation And Warehousing (45)
- Water Transportation (1)
- Transportation By Air (7)
- Transportation Services (18)
- Communications (15)
- Electric, Gas, And Sanitary Services (14)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (99)
- Wholesale Trade-non-durable Goods (47)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (39)
- General Merchandise Stores (13)
- Food Stores (43)
- Automotive Dealers And Gasoline Service Stations (56)
- Apparel And Accessory Stores (24)
- Home Furniture, Furnishings, And Equipment Stores (45)
- Eating And Drinking Places (107)
- Miscellaneous Retail (152)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (18)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (15)
- Personal Services (100)
- Business Services (395)
- Automotive Repair, Services, And Parking (62)
- Miscellaneous Repair Services (60)
- Motion Pictures (9)
- Amusement And Recreation Services (48)
- Health Services (157)
- Legal Services (33)
- Educational Services (35)
- Social Services (60)
- Museums, Art Galleries, And Botanical And Zoological Gardens (6)
- Membership Organizations (121)
- Engineering, Accounting, Research, Management, And Related Services (77)
- Miscellaneous Services (18)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (11)
- Justice, Public Order, And Safety (16)
- Administration Of Human Resource Programs (5)
- Administration Of Environmental Quality And Housing Programs (8)
- Administration Of Economic Programs (7)
- National Security And International Affairs (4)
- Nonclassifiable Establishments (145)
