All Other Professional, Scientific and Technical Services

Commercial and Institutional Building Construction

Water and Sewer Line and Related Structures Construction

Poured Concrete Foundation and Structure Contractors

Structural Steel and Precast Concrete Contractors

Other Foundation, Structure, and Building Exterior Contractors

Electrical Contractors and Other Wiring Installation Contractors

Plumbing, Heating, and Air?Conditioning Contractors

All Other Specialty Trade ContractorsGeneral $16.50m Small Business Size Standard: [Yes]Special $16.50m Building and Property Specialty Trade Services: [Yes] (4)

Small Arms, Ordnance, and Ordnance Accessories Manufacturing

Other Computer Related ServicesGeneral $30.00m Small Business Size Standard: [Yes]Special 150 Employees Information Technology Value Added Resellers: [Yes] (4)

Administrative Management and General Management Consulting Services

Other Scientific and Technical Consulting Services

Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) General 1000 Employees Small Business Size Standard: [Yes]Special 1500 Employees Aircraft, Aircraft Engine and Engine Parts: [Yes]Special 1250 Employees Other Aircraft Parts and Auxiliary Equipment: [Yes]Special 1250 Employees Guided Missiles and Space Vehicles, Their Propulsion Units and Propulsion Parts: [Yes] (4)

Investigation and Personal Background Check Services

Other Services to Buildings and Dwellings

Other Technical and Trade SchoolsGeneral $18.50m Small Business Size Standard: [Yes]Special $41.50m Job Corps Centers: [Yes] (4)

All Other Miscellaneous Schools and Instruction

Code	Description	Primary
541990	All Other Professional, Scientific and Technical Services
236220	Commercial and Institutional Building Construction
237110	Water and Sewer Line and Related Structures Construction

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