Cross-Trade Associations for Subcontractors
Trade Associations •
National Subcontractors Alliance (NSA)
National Subcontractors Alliance (NSA)
The National Subcontractors Alliance is a trade association representing the interests of subcontractors by providing support on legislative and regulatory issues affecting the industry. Membership is open to any local, regional, or state association dedicated to promoting and protecting the rights and interests of specialty contractors in the construction industry.

Trusted by trade contractors across the country












- A network of industry leaders to help build your business’s success
- Reliable access to industry and association news through live meetings and NSA’s digital publication
- Preferred attendance at NSA’s annual conference
Cross-Trade Associations for Subcontractors
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Other trade associations
Mechanical Contractors Association of America (MCAA)
The Mechanical Contractors Association of America is an association of 2,700 member companies across all areas of mechanical contracting, including heating, air conditioning, refrigeration, plumbing, and piping. It has four subsidiaries—Mechanical Service Contractors of America (MSCA), the Plumbing Contractors of America (PCA), the National Certified Pipe Welding Bureau (NCPWB), and the Manufacturer/Supplier Council (M/SC)
Association of the Wall and Ceiling Industry (AWCI)
The Association of the Wall and Ceiling Industry is a community of 2,400+ contractors, suppliers, distributors and manufacturers throughout the wall and ceiling industry. Members span all 50 states, including contractors, suppliers, and manufacturers in the acoustics, ceiling, drywall, insulation, finishing, fireproofing, flooring, and stucco trades.
National Institute of Building Sciences (NIBS)
The National Institute of Building Sciences is an independent non-profit organization that supports advances in building science and technology. Its members include individuals, public and private sector organizations, non-profits, and local, state, and federal government officials who want to solve critical issues facing the industry.