Greater Peoria Contractors and Suppliers Association (GPCSA) is an organization of qualified construction contractors and industry-related companies dedicated to skill, integrity, and responsibility. The fundamental goal of the Association is to address the needs, goals, and concerns of its members, thereby improving the quality of the local construction industry.

The Association provides a full range of programs and services including, but not limited to, networking opportunities, labor relations and collective bargaining, educational and professional development, plan room accessibility/lead generations, legislative and political awareness, as well as community connections, meeting space, and print scanning.