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
American Subcontractors Association (ASA)
The American Subcontractors Association promotes the rights and interests of subcontractors, specialty contractors, and suppliers through education, advocacy, networking, and professional growth. Membership is open to anyone who provides subcontract labor and/or materials to the construction industry.
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.
Steel Erectors Association of America (SEAA)
The Steel Erectors Association of America is a non-profit trade organization for steel erectors. Members include contractors, manufacturers, suppliers, fabricators, and service providers in the steel industry. SEAA aims to promote safety, education, standards, and training programs for steel erector trades.