- Agriculture, Forestry & Fishing
- Agricultural Production Crops (15)
- Agriculture production livestock and animal specialties (3)
- Agricultural Services (20)
- Forestry (1)
- Construction & Mining
- Metal Mining (1)
- Building Construction General Contractors And Operative Builders (38)
- Heavy Construction Other Than Building Construction Contractors (2)
- Construction Special Trade Contractors (65)
- Manufacturing
- Food And Kindred Products (2)
- Textile Mill Products (1)
- Lumber And Wood Products, Except Furniture (1)
- Paper And Allied Products (1)
- Printing, Publishing, And Allied Industries (6)
- Chemicals And Allied Products (2)
- Petroleum Refining And Related Industries (1)
- Stone, Clay, Glass, And Concrete Products (1)
- Primary Metal Industries (1)
- Fabricated Metal Products, Except Machinery And Transportation Equipment (3)
- Industrial And Commercial Machinery And Computer Equipment (2)
- Electronic And Other Electrical Equipment And Components, Except Computer Equipment (1)
- Measuring, Analyzing, And Controlling Instruments; Photographic, Medical And Optical Goods; Watches And Clocks (3)
- Miscellaneous Manufacturing Industries (3)
- Transportation & Utilities
- Railroad Transportation (1)
- Transportation & Utilities (con't)
- Local And Suburban Transit And Interurban Highway Passenger Transportation (1)
- Motor Freight Transportation And Warehousing (15)
- United States Postal Service (1)
- Water Transportation (2)
- Transportation Services (7)
- Communications (12)
- Electric, Gas, And Sanitary Services (9)
- Retail & Wholesale Trade
- Wholesale Trade-durable Goods (29)
- Wholesale Trade-non-durable Goods (9)
- Building Materials, Hardware, Garden Supply, And Mobile Home Dealers (9)
- General Merchandise Stores (4)
- Food Stores (20)
- Automotive Dealers And Gasoline Service Stations (20)
- Apparel And Accessory Stores (3)
- Home Furniture, Furnishings, And Equipment Stores (8)
- Eating And Drinking Places (24)
- Miscellaneous Retail (47)
- Finance, Insurance & Real Estate (con't)
- Holding And Other Investment Offices (4)
- Services
- Hotels, Rooming Houses, Camps, And Other Lodging Places (9)
- Personal Services (42)
- Business Services (276)
- Automotive Repair, Services, And Parking (24)
- Miscellaneous Repair Services (18)
- Motion Pictures (1)
- Amusement And Recreation Services (16)
- Health Services (27)
- Legal Services (16)
- Educational Services (15)
- Social Services (20)
- Museums, Art Galleries, And Botanical And Zoological Gardens (2)
- Membership Organizations (53)
- Engineering, Accounting, Research, Management, And Related Services (42)
- Miscellaneous Services (9)
- Public Administration
- Executive, Legislative, And General Government, Except Finance (7)
- Justice, Public Order, And Safety (12)
- Administration Of Human Resource Programs (3)
- Administration Of Environmental Quality And Housing Programs (5)
- Administration Of Economic Programs (2)
- Nonclassifiable Establishments (85)
