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
National Association of Minority Contractors (NAMC)
The National Association of Minority Contractors is dedicated to promoting the economic and legal interests of minority contracting firms, advocating for inclusion and equality in the construction industry. NAMC assists members with building capacity by providing access to opportunity, advocacy, and contractor development training.
Associated General Contractors of America (AGC)
The Associated General Contractors of America represents more than 27,000 general and specialty contractors, service providers, and suppliers. Its nationwide network of chapters offers resources, advocacy, education, and networking opportunities.
Mechanical HVAC / Plumbing
National Association of Plumbing-Heating-Cooling Contractors (PHCC)
The National Association of Plumbing-Heating-Cooling Contractors is a trade association with 4,000 members across residential, commercial, new construction, industrial, and service and repair segments. It provides training, resources, and advocacy for plumbing and HVACR contractors.