Cross-Trade Associations for Subcontractors
Trade Associations •
National Institute of Building Sciences (NIBS)
National Institute of Building Sciences (NIBS)
The National Institute of Building Sciences is an independent non-profit organization that supports advances in building science and technology. Its members include individuals, public and private sector organizations, non-profits, and local, state, and federal government officials who want to solve critical issues facing the industry.

Trusted by trade contractors across the country












- Connection with a community of thinkers, innovators, educators, and creators across all sectors of the built environment
- Volunteer opportunities with councils focused on specific building process issues
- Events to collaborate, network, and earn continuing education units
- Access to the largest collection of educational resources on building-related guidance, criteria, and technology
- Exclusive savings on Dell technology products
Cross-Trade Associations for Subcontractors
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Other trade associations
Mason Contractors Association of America (MCAA)
The Mason Contractors Association of America (MCAA) is the national trade association representing mason contractors. It provides education, training, and advocacy to help contractors stay competitive.
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.
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.