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Trade-Specific Associations for Subcontractors
Trade Associations •
National Glass Association (NGA)

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.

Trusted by trade contractors across the country

National Glass Association (NGA) Membership Benefits

  • 70+ online training and glazier apprenticeship courses
  • 300+ technical and advocacy resources on core industry topics
  • An array of industry conferences including GlassBuild America, Building Envelope Contractors Conference, NSA Glass Conference, and more.
  • A steady stream of industry news, information, and insights
  • Access to a member directory to connect with peers across the industry

National Glass Association (NGA) Contact Info

344 Maple Ave West, Unit 272, Vienna, VA 22180
(703) 442-4890
Trade-Specific Associations for Subcontractors

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Contractors Get Paid Faster with Siteline

What do subcontractors need besides the community and advocacy that National Glass Association (NGA) offers? A software partner that’ll ensure they get paid what the GC owes them on time. Siteline is on a mission to get trade contractors paid faster by streamlining the billing workflow. See the status of every payment application across every project, and never let a single form, requirement, or invoice fall through the crack again.

What do contractors need besides the community and advocacy that National Glass Association (NGA) offers? A software partner that’ll ensure they get paid what the GC owes them on time. Siteline is on a mission to get subcontractors paid faster by streamlining the billing workflow. See the status of every payment application across every project, and never let a single form, requirement, or invoice fall through the crack again.

Other trade associations

Commercial Painting Industry Association (CPIA)

The Commercial Painting Industry Association is a peer-driven professional trade association dedicated to commercial painting contractors. It brings together business owners and their teams to share, connect, and grow.

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.

National Roofing Contractors Association (NRCA)

The National Roofing Contractors Association is a community of entrepreneurial craftsmen and enterprises representing all segments of the roofing industry, including contractors, manufacturers, distributors, architects, owners, and government agencies. It’s the leading authority in the roofing industry for information, education, technology, and advocacy.

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