Trade-Specific Associations for Subcontractors
Trade Associations •
National Association of Plumbing-Heating-Cooling Contractors (PHCC)
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.

Trusted by trade contractors across the country












- Federal, state, and local legislative and regulatory assistance
- Workforce and professional development training
- Access to educational programs and leadership events, including their annual CONNECT conference
- Safety and risk management tools
- Members-only business intelligence reports, industry insights, and statistics
- Savings and discounts through partnerships with manufacturers and product providers
Trade-Specific Associations for Subcontractors
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Other trade associations
National Glass Association (NGA)
The National Glass Association is the largest trade association serving the glass industry. Its member community represents 1,800+ contract glaziers, full-service glass companies, fabricators, manufacturers, and suppliers. NGA champions the benefits of glazing and glass building products and is a reliable industry resource for its members.
Sheet Metal and Air Conditioning Contractors' National Association (SMACNA)
The Sheet Metal and Air Conditioning Contractors’ National Association has more than 100 chapters and 3,500 members across the US, Canada, Australia, and Brazil. Its mission is to create a competitive advantage for sheet metal and air conditioning contractors through education, labor relations, standards development, industry representation, and business studies.
Fabricators and Manufacturers Association (FMA)
The Fabricators and Manufacturers Association is a network of thousands of metal fabrication and manufacturing professionals. It’s committed to shaping the future of the metal processing, forming, and fabricating industries through professional development for individuals and businesses.