- Agriculture, Forestry & Fishing
- Agricultural Production Crops (9)
- Agriculture production livestock and animal specialties (12)
- Agricultural Services (114)
- Forestry (1)
- Fishing, hunting, and trapping (1)
- Construction & Mining
- Oil And Gas Extraction (20)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (2)
- Building Construction General Contractors And Operative Builders (274)
- Heavy Construction Other Than Building Construction Contractors (47)
- Construction Special Trade Contractors (508)
- Manufacturing
- Food And Kindred Products (12)
- Textile Mill Products (4)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (14)
- Lumber And Wood Products, Except Furniture (9)
- Furniture And Fixtures (3)
- Paper And Allied Products (6)
- Printing, Publishing, And Allied Industries (55)
- Chemicals And Allied Products (88)
- Petroleum Refining And Related Industries (15)
- Rubber And Miscellaneous Plastics Products (16)
- Leather And Leather Products (6)
- Stone, Clay, Glass, And Concrete Products (11)
- Primary Metal Industries (9)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (37)
- Industrial And Commercial Machinery And Computer Equipment (66)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (22)
- Transportation Equipment (15)
- Manufacturing (con't)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (21)
- Miscellaneous Manufacturing Industries (48)
- Transportation & Utilities
- Railroad Transportation (1)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (15)
- Motor Freight Transportation And Warehousing (309)
- United States Postal Service (3)
- Water Transportation (16)
- Transportation By Air (3)
- Pipelines, Except Natural Gas (6)
- Transportation Services (86)
- Communications (66)
- Electric, Gas, And Sanitary Services (40)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (325)
- Wholesale Trade-non-durable Goods (141)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (83)
- General Merchandise Stores (67)
- Food Stores (190)
- Automotive Dealers And Gasoline Service Stations (276)
- Apparel And Accessory Stores (143)
- Home Furniture, Furnishings, And Equipment Stores (176)
- Eating And Drinking Places (366)
- Miscellaneous Retail (587)
- Finance, Insurance & Real Estate (con't)
- Real Estate (280)
- Holding And Other Investment Offices (111)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (35)
- Personal Services (404)
- Business Services (1689)
- Automotive Repair, Services, And Parking (326)
- Miscellaneous Repair Services (248)
- Motion Pictures (32)
- Amusement And Recreation Services (103)
- Health Services (462)
- Legal Services (63)
- Educational Services (99)
- Social Services (126)
- Museums, Art Galleries, And Botanical And Zoological Gardens (4)
- Membership Organizations (227)
- Engineering, Accounting, Research, Management, And Related Services (268)
- Miscellaneous Services (132)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (64)
- Justice, Public Order, And Safety (24)
- Public Finance, Taxation, And Monetary Policy (1)
- Administration Of Human Resource Programs (8)
- Administration Of Environmental Quality And Housing Programs (6)
- Administration Of Economic Programs (5)
- National Security And International Affairs (6)
- Nonclassifiable Establishments (861)
