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associated builders and contractors (abc) is a national trade association that advances and defends the principles of the merit shop in the construction industry, representing merit shop contractors, subcontractors, material suppliers and related firms in the united states.

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Connecting the architecture and design community with leading brands to create efficient, modern and sustainable designs.

UpCodes is a comprehensive code compliance platform. Research, collaborate, and calculate code requirements efficiently, all in one place.

McElroy Metal is the leading manufacturer of metal roofing, metal siding, and substructural components with locations across the United States. Learn more.

find building products that meet specifications, get product data, create construction submittals, and receive price quotations from local suppliers.

Technical and Professional Practice Reference for Architects. Archtoolbox provides the information you need to design beautiful buildings and grow your career.

the blue book network is a commercial construction digital directory designed to help contractors, subcontractors and suppliers expose their company, services, and qualifications to buyers.