- Agriculture, Forestry & Fishing
- Agricultural Production Crops (44)
- Agriculture production livestock and animal specialties (46)
- Agricultural Services (442)
- Forestry (3)
- Fishing, hunting, and trapping (3)
- Construction & Mining
- Coal Mining (1)
- Oil And Gas Extraction (38)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (3)
- Building Construction General Contractors And Operative Builders (829)
- Heavy Construction Other Than Building Construction Contractors (65)
- Construction Special Trade Contractors (1258)
- Manufacturing
- Food And Kindred Products (53)
- Tobacco Products (1)
- Textile Mill Products (16)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (73)
- Lumber And Wood Products, Except Furniture (42)
- Furniture And Fixtures (35)
- Paper And Allied Products (34)
- Printing, Publishing, And Allied Industries (241)
- Chemicals And Allied Products (62)
- Petroleum Refining And Related Industries (9)
- Rubber And Miscellaneous Plastics Products (32)
- Leather And Leather Products (11)
- Stone, Clay, Glass, And Concrete Products (42)
- Primary Metal Industries (25)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (87)
- Industrial And Commercial Machinery And Computer Equipment (132)
- Manufacturing (con't)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (74)
- Transportation Equipment (45)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (35)
- Miscellaneous Manufacturing Industries (175)
- Transportation & Utilities
- Railroad Transportation (3)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (47)
- Motor Freight Transportation And Warehousing (415)
- United States Postal Service (6)
- Water Transportation (11)
- Transportation By Air (24)
- Transportation Services (297)
- Communications (275)
- Electric, Gas, And Sanitary Services (53)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (1151)
- Wholesale Trade-non-durable Goods (516)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (189)
- General Merchandise Stores (138)
- Food Stores (495)
- Automotive Dealers And Gasoline Service Stations (684)
- Apparel And Accessory Stores (465)
- Home Furniture, Furnishings, And Equipment Stores (536)
- Eating And Drinking Places (1110)
- Miscellaneous Retail (1811)
- Finance, Insurance & Real Estate (con't)
- Insurance Agents, Brokers, And Service (475)
- Real Estate (1181)
- Holding And Other Investment Offices (516)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (140)
- Personal Services (1375)
- Business Services (7812)
- Automotive Repair, Services, And Parking (730)
- Miscellaneous Repair Services (936)
- Motion Pictures (134)
- Amusement And Recreation Services (447)
- Health Services (1441)
- Legal Services (326)
- Educational Services (355)
- Social Services (562)
- Museums, Art Galleries, And Botanical And Zoological Gardens (26)
- Membership Organizations (758)
- Engineering, Accounting, Research, Management, And Related Services (1607)
- Miscellaneous Services (468)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (47)
- Justice, Public Order, And Safety (22)
- Administration Of Human Resource Programs (16)
- Administration Of Environmental Quality And Housing Programs (9)
- Administration Of Economic Programs (9)
- National Security And International Affairs (16)
- Nonclassifiable Establishments (3772)
