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)
Construction Financial Management Association (CFMA)
The Construction Financial Management Association provides career development and networking opportunities for construction finance professionals. CFMA members are CFOs, controllers, treasurers, and staff accountants and admins working at developers; major commercial construction companies in general, specialty trades, industrial, and heavy/highway sectors; and companies that serve construction, like CPAs, outsourced accounting firms, banks, sureties, and insurance brokers.
International Association of Bridge, Structural, Ornamental, and Reinforcing Iron Workers (IW)
The International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers, AFL-CIO is a trade association representing 120,000 union iron workers. It provides training, education, and advocacy to protect and advance the iron industry in North America.