Power and Communication Line and Related Structures Construction, Electrical Contractors, All Other Specialty Trade Contractors, Printed Circuit Assembly (Electronic Assembly) Manufacturing, Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Main

New Single-Family Housing Construction (except Operative Builders), Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Masonry Contractors

New Multifamily Housing Construction (except Operative Builders), Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Process, Physical Distribution, and Logistics Consulting Services

Power and Communication Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Nursery and Tree Production, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Industrial Building Construction, Commercial and Institutional Building Construction

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Natural Gas Distribution, Commercial and Institutional Building Construction

Power and Communication Line and Related Structures Construction

Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Other Foundation, Structure, and Building Exterior Contractors

KELLOGG BROWN & ROOT SERVICES, INC

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction

Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), New Housing Operative Builders, Industrial Building Construction, Commercial and Institutional Building Construction

New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction

Power and Communication Line and Related Structures Construction, Electrical Contractors

Power and Communication Line and Related Structures Construction, Site Preparation Contractors

Support Activities for Oil and Gas Operations, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction, Power and Communication Line and Related Structures Construction, Land Subdivision

Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing

Power and Communication Line and Related Structures Construction, Land Subdivision, Electrical Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors