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About ABA Learn about what makes ABA a great choice. We offer great value to all our members. Click below to learn more. Learn More About The ABA Leadership Phoenix Committees Tucson Committees About The ABA Membership Area Career Development Apprenticeship Program Apprenticeship Portal Resources Advancing and Advocating for Arizonas Commercial Construction Industry Why Join ABA The Arizona Builders Alliance ABA is an alliance of the Associated Builders Contractors ABC and the Associated General Contractors of America Building Chapter AGC.