- Agriculture, Forestry & Fishing
- Agricultural Production Crops (90)
- Agriculture production livestock and animal specialties (24)
- Agricultural Services (383)
- Forestry (2)
- Fishing, hunting, and trapping (5)
- Construction & Mining
- Metal Mining (4)
- Coal Mining (2)
- Oil And Gas Extraction (29)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (9)
- Building Construction General Contractors And Operative Builders (3730)
- Heavy Construction Other Than Building Construction Contractors (201)
- Construction Special Trade Contractors (4870)
- Manufacturing
- Food And Kindred Products (375)
- Tobacco Products (1)
- Textile Mill Products (215)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (541)
- Lumber And Wood Products, Except Furniture (310)
- Furniture And Fixtures (229)
- Paper And Allied Products (143)
- Printing, Publishing, And Allied Industries (1091)
- Chemicals And Allied Products (169)
- Petroleum Refining And Related Industries (9)
- Rubber And Miscellaneous Plastics Products (123)
- Leather And Leather Products (62)
- Stone, Clay, Glass, And Concrete Products (169)
- Primary Metal Industries (70)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (377)
- Manufacturing (con't)
- Industrial And Commercial Machinery And Computer Equipment (251)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (231)
- Transportation Equipment (54)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (149)
- Miscellaneous Manufacturing Industries (583)
- Transportation & Utilities
- Railroad Transportation (7)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1358)
- Motor Freight Transportation And Warehousing (1276)
- United States Postal Service (50)
- Water Transportation (67)
- Transportation By Air (43)
- Transportation Services (1523)
- Communications (1447)
- Electric, Gas, And Sanitary Services (227)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (4669)
- Wholesale Trade-non-durable Goods (4568)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (1012)
- General Merchandise Stores (783)
- Food Stores (5928)
- Automotive Dealers And Gasoline Service Stations (1281)
- Apparel And Accessory Stores (3572)
- Home Furniture, Furnishings, And Equipment Stores (2541)
- Eating And Drinking Places (7031)
- Miscellaneous Retail (7203)
- Finance, Insurance & Real Estate (con't)
- Insurance Carriers (128)
- Insurance Agents, Brokers, And Service (883)
- Real Estate (8014)
- Holding And Other Investment Offices (1133)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (272)
- Personal Services (7031)
- Business Services (22190)
- Automotive Repair, Services, And Parking (2536)
- Miscellaneous Repair Services (3399)
- Motion Pictures (1166)
- Amusement And Recreation Services (2039)
- Health Services (7524)
- Legal Services (1924)
- Educational Services (2296)
- Social Services (2708)
- Museums, Art Galleries, And Botanical And Zoological Gardens (151)
- Membership Organizations (5752)
- Engineering, Accounting, Research, Management, And Related Services (5926)
- Miscellaneous Services (1555)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (126)
- Justice, Public Order, And Safety (145)
- Public Finance, Taxation, And Monetary Policy (19)
- Administration Of Human Resource Programs (113)
- Administration Of Environmental Quality And Housing Programs (114)
- Administration Of Economic Programs (39)
- National Security And International Affairs (47)
- Nonclassifiable Establishments (16080)
