Trade-Specific Associations for Subcontractors
Trade Associations �
International Association of Bridge, Structural, Ornamental, and Reinforcing Iron Workers (IW)
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.

Trusted by trade contractors across the country













- Ability to participate in a collective bargaining agreement that provides bigger paychecks, better benefits, more secure jobs, and safe working conditions
- Eligibility for Union Plus benefits and discounts
- Access to life, accident & hospital supplemental benefits for ironworkers
- 120+ years of digital magazine archives covering every aspect of the iron industry
Trade-Specific Associations for Subcontractors
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Other trade associations
Air Conditioning Contractors of America (ACCA)
The Air Conditioning Contractors of America is a nationwide non-profit association of HVAC contractors. 60,000 professionals from over 3,000 member companies rely on ACCA for networking opportunities, education, and advocacy services.
Construction Management Association of America (CMAA)
The Construction Management Association of America is an industry association of members across government, contractors, consultants, technology suppliers, academia, and legal organizations. CMAA provides support, education, and development for professionals working in the built environment.
National Utility Contractors Association (NUCA)
The National Utility Contractors Association works on behalf of the utility construction and excavation industries. NUCA is dedicated to improving the operational proficiency and financial performance of its member companies, which are comprised of utility contractors, excavators, suppliers, manufacturers, and other providers.