ASA Chicago - Association of Subcontractors & Affiliates is an independent, nonprofit trade association representing the commercial subcontracting industry and its affiliates. Servicing union and non-union subcontractor members, trade suppliers and servicers, we are one of the largest trade associations in the Chicagoland area addressing the business initiatives of the subcontractor. Particular issues that are of interest include contract clauses, payment terms and government controls. Our members comprise a large variety of specialties, from excavation to roofing. ASA Chicago is devoted to providing its members not only education, networking, social and business opportunities, but also government advocacy affecting all subcontractors at the state and local levels.