- Agriculture, Forestry & Fishing
- Agricultural Production Crops (4)
- Agricultural Services (21)
- Construction & Mining
- Oil And Gas Extraction (1)
- Mining And Quarrying Of Nonmetallic Minerals, Except Fuels (1)
- Building Construction General Contractors And Operative Builders (107)
- Heavy Construction Other Than Building Construction Contractors (10)
- Construction Special Trade Contractors (167)
- Manufacturing
- Food And Kindred Products (5)
- Textile Mill Products (3)
- Apparel And Other Finished Products Made From Fabrics And Similar Materials (9)
- Lumber And Wood Products, Except Furniture (5)
- Furniture And Fixtures (3)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (23)
- Chemicals And Allied Products (1)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (8)
- Primary Metal Industries (2)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (6)
- Industrial And Commercial Machinery And Computer Equipment (10)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Transportation Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (4)
- Manufacturing (con't)
- Miscellaneous Manufacturing Industries (10)
- Transportation & Utilities
- Local And Suburban Transit And Interurban Highway Passenger Transportation (26)
- Motor Freight Transportation And Warehousing (88)
- United States Postal Service (4)
- Transportation Services (28)
- Communications (16)
- Electric, Gas, And Sanitary Services (13)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (106)
- Wholesale Trade-non-durable Goods (34)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (16)
- General Merchandise Stores (15)
- Food Stores (43)
- Automotive Dealers And Gasoline Service Stations (57)
- Apparel And Accessory Stores (39)
- Home Furniture, Furnishings, And Equipment Stores (41)
- Eating And Drinking Places (77)
- Miscellaneous Retail (99)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (34)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (5)
- Personal Services (160)
- Business Services (496)
- Automotive Repair, Services, And Parking (143)
- Miscellaneous Repair Services (110)
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- Membership Organizations (190)
- Engineering, Accounting, Research, Management, And Related Services (114)
- Miscellaneous Services (27)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (8)
- Justice, Public Order, And Safety (9)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (3)
- Administration Of Economic Programs (2)
- Nonclassifiable Establishments (200)