Associated Builders and Contractors (ABC) is a national construction industry trade association representing nearly 21,000 chapter members. Founded on the merit shop philosophy, ABC and its 70 chapters help members develop people, win work and deliver that work safely, ethically, profitably and for the betterment of the communities in which ABC and its members work. ABCs membership represents all specialties within the U.S. construction industry and is comprised primarily of firms that perform work in the industrial and commercial sectors.