Engineering Services

Electrical Contractors

Machine Shops, Special Die and Tool, Die Set, Jig, and Fixture Manufacturing, Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing

Fats and Oils Refining and Blending, Breakfast Cereal Manufacturing, Nonchocolate Confectionery Manufacturing, Frozen Fruit, Juice, and Vegetable Manufacturing, Frozen Specialty Food Manufacturing

Framing Contractors, Glass and Glazing Contractors, Drywall and Insulation Contractors, Finish Carpentry Contractors, All Other Specialty Trade Contractors

Other Electronic Parts and Equipment Merchant Wholesalers

Motor Vehicle Supplies and New Parts Merchant Wholesalers

Pharmaceutical Preparation Manufacturing

Highway, Street, and Bridge Construction

All Other Legal Services

Commercial Screen Printing

Testing Laboratories

All Other Specialty Trade Contractors, Janitorial Services

Sales Financing, Secondary Market Financing, Portfolio Management, Investment Advice

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

All Other Plastics Product Manufacturing, Other Commercial Equipment Merchant Wholesalers

Rolled Steel Shape Manufacturing, Secondary Smelting and Alloying of Aluminum, Other Aluminum Rolling and Drawing, Copper Wire (except Mechanical) Drawing, Secondary Smelting, Refining, and Alloying of Copper

All Other Miscellaneous Textile Product Mills, Men's and Boys' Cut and Sew Apparel Contractors, Women's, Girls', and Infants' Cut and Sew Apparel Contractors, Men's and Boys' Cut and Sew Shirt (except Work Shirt) Manufacturing, Men's and Boys' Cut and Sew Work Clothing Manufacturing

Sewage Treatment Facilities, Industrial Building Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Masonry Contractors

Contractor

Lessors of Nonresidential Buildings (except Miniwarehouses)

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

Machine Shops, Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Machine Tool (Metal Cutting Types) Manufacturing, Machine Tool (Metal Forming Types) Manufacturing

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, Industrial Building Construction

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers, Drugs and Druggists' Sundries Merchant Wholesalers, Pharmacies and Drug Stores, Environmental Consulting Services