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
Metal Building Contractors & Erectors Association (MBCEA)
The Metal Building Contractors & Erectors Association is a trade association that provides programs and services to the contractor and erector segments of the metal building industry. Membership is open to contractors and subcontractors of metal building systems and roofing systems.
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.
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.