North American Industry Classification System (NAICS)
236115 - New Single-Family Housing Construction (except Operative Builders)
236116 - New Multifamily Housing Construction (except Operative Builders)
236117 - New Housing Operative Builders
236118 - Residential Remodelers
236220 - Commercial and Institutional Building Construction
237110 - Water and Sewer Line and Related Structures Construction
237120 - Oil and Gas Pipeline and Related Structures Construction
237130 - Power and Communication Line and Related Structures Construction
237210 - Land Subdivision
237990 - Other Heavy and Civil Engineering Construction
238160 - Roofing Contractors
238350 - Finish Carpentry Contractors
541320 - Landscape Architectural Services
541330 - Engineering Services
541360 - Geophysical Surveying and Mapping Services
541370 - Surveying and Mapping (except Geophysical) Services
541618 - Other Management Consulting Services
541620 - Environmental Consulting Services
561720 - Janitorial Services