Surgical and Medical Instrument Manufacturing

Testing Laboratories

Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors, All Other Specialty Trade Contractors

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

Machine Shops, All Other Miscellaneous Fabricated Metal Product Manufacturing, Optical Instrument and Lens Manufacturing, Electronic Computer Manufacturing, Other Computer Peripheral Equipment Manufacturing

Plastics Bottle Manufacturing

Industrial Machinery and Equipment Merchant Wholesalers

Office Equipment Merchant Wholesalers, Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Other Commercial Equipment Merchant Wholesalers, Stationery and Office Supplies Merchant Wholesalers

Engineering Services

Human Resources and Executive Search Consulting Services

All Other Specialty Trade Contractors, Wired Telecommunications Carriers, Cellular and Other Wireless Telecommunications, Satellite Telecommunications, Cable and Other Program Distribution

All Other Petroleum and Coal Products Manufacturing

Hand and Edge Tool Manufacturing

BIOSPACE

All Other Plastics Product Manufacturing, Engineering Services

BIOSPACE

Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Other Foundation, Structure, and Building Exterior Contractors

Colleges, Universities, and Professional Schools, Educational Support Services

Commercial and Institutional Building Construction

Motion Picture and Video Production, Teleproduction and Other Postproduction Services, Graphic Design Services

Custom Computer Programming Services

Guided Missile and Space Vehicle Manufacturing, Nonscheduled Chartered Freight Air Transportation