Associated Builders and Contractors is a national trade association representing over 21,000 merit shop contractors, subcontractors, material suppliers and construction-related firms in 68 chapters across the United States. The association's membership includes all specialties within the U.S. construction industry and is comprised primarily of firms that perform work in the industrial, commercial and institutional sectors of the industry. ABC is recognized as one of the leading organizations representing America's business community and the construction industry. In fact, Fortune magazine rated ABC as one of the "Most Influential" organizations in the United States.