- Agriculture, Forestry & Fishing
- Agricultural Production Crops (40)
- Agriculture production livestock and animal specialties (17)
- Agricultural Services (517)
- Forestry (1)
- Fishing, hunting, and trapping (4)
- Construction & Mining
- Metal Mining (1)
- Coal Mining (1)
- Oil And Gas Extraction (8)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (4)
- Building Construction General Contractors And Operative Builders (926)
- Heavy Construction Other Than Building Construction Contractors (66)
- Construction Special Trade Contractors (2003)
- Manufacturing
- Food And Kindred Products (46)
- Tobacco Products (2)
- Textile Mill Products (18)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (49)
- Lumber And Wood Products, Except Furniture (92)
- Furniture And Fixtures (38)
- Paper And Allied Products (15)
- Printing, Publishing, And Allied Industries (257)
- Chemicals And Allied Products (48)
- Petroleum Refining And Related Industries (5)
- Rubber And Miscellaneous Plastics Products (27)
- Leather And Leather Products (3)
- Stone, Clay, Glass, And Concrete Products (41)
- Primary Metal Industries (22)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (74)
- Manufacturing (con't)
- Industrial And Commercial Machinery And Computer Equipment (78)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (64)
- Transportation Equipment (44)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (49)
- Miscellaneous Manufacturing Industries (161)
- Transportation & Utilities
- Railroad Transportation (5)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (109)
- Motor Freight Transportation And Warehousing (430)
- United States Postal Service (6)
- Water Transportation (45)
- Transportation By Air (30)
- Transportation Services (542)
- Communications (390)
- Electric, Gas, And Sanitary Services (57)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1199)
- Wholesale Trade-non-durable Goods (871)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (219)
- General Merchandise Stores (90)
- Food Stores (512)
- Automotive Dealers And Gasoline Service Stations (652)
- Apparel And Accessory Stores (419)
- Home Furniture, Furnishings, And Equipment Stores (516)
- Eating And Drinking Places (1240)
- Miscellaneous Retail (1499)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (101)
- Insurance Agents, Brokers, And Service (419)
- Real Estate (1799)
- Holding And Other Investment Offices (1234)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (219)
- Personal Services (1259)
- Business Services (10042)
- Automotive Repair, Services, And Parking (858)
- Miscellaneous Repair Services (1058)
- Motion Pictures (304)
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- Health Services (1658)
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- Educational Services (313)
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- Museums, Art Galleries, And Botanical And Zoological Gardens (18)
- Membership Organizations (903)
- Engineering, Accounting, Research, Management, And Related Services (2125)
- Miscellaneous Services (878)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (58)
- Justice, Public Order, And Safety (41)
- Public Finance, Taxation, And Monetary Policy (3)
- Administration Of Human Resource Programs (55)
- Administration Of Environmental Quality And Housing Programs (23)
- Administration Of Economic Programs (9)
- National Security And International Affairs (9)
- Nonclassifiable Establishments (5540)
