Associated Builders and Contractors of Western Pennsylvania will provide superior programs and service to give its members a competitive advantage, to add value to the industry’s clients and to enhance the lives of the industry’s employees. ABC’S great diversity is also its strength. We believe our member firms provide the finest construction services in the industry. Each ABC member firm, regardless of its size or specialty, shares one thing in common: a steadfast commitment to the free enterprise system and the Merit Shop philosophy. This philosophy maintains that the construction process operates best when guided by the principle that the lowest responsible bidder should be awarded the contract.