Shelby Mechanical Inc. is a industrial general mechanical contractor providing plant services to a who's who of industrial clientele across New Jersey, Pennsylvania and Delaware. Our highly skilled supervisors, and craft personnel self-perform an array of industrial plant services. Our customers rely on and trust SMI as their single source professional management contractor to perform all supplemental plant maintenance, specialty fabrication, pipe fitting, millwrighting, machinery installation, and general construction services. SMI concentrates on the establishment of professional partnerships with each customer. SMI proudly acknowledges that the majority of our business is generated through our base of repeat customers. SMI growth is focused on the expansion of professional services necessary to meet the needs of our customers. SMI staff of management, supervision and craft personnel have worked together for many years as a cohesive unit dedicated to customer satisfaction, a safe work place and the success of the Shelby Mechanical family.