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
National Organization of Restoration and Remediation Professionals (NORRP)
The National Organization of Restoration and Remediation Professionals is dedicated to providing support and specialized training for the restoration and remediation industry. Members include contractors, technicians, corporations, and allied partner organizations.
Metal Building Contractors & Erectors Association (MBCEA)
The Metal Building Contractors & Erectors Association is a trade association that provides programs and services to the contractor and erector segments of the metal building industry. Membership is open to contractors and subcontractors of metal building systems and roofing systems.
Independent Electrical Contractors (IEC)
The Independent Electrical Contractors (IEC) is a nationwide trade association for electrical and systems contractors. 3,000 members make up 54 chapters across the country. It’s dedicated to driving free enterprise growth that benefits merit shop trade contractors.