Corrects deficiencies by removing, repairing, adjusting, overhauling, assembling, disassembling, and replacing major assemblies, sub-assemblies, components, parts, or systems, such as, power and drive trains, electrical, air conditioning, fuel, emission, brake, steering, hydraulics; completes machine shop operations; making adjustments and alignments including bearing loads, gear tooth contact, valve mechanisms, governors, oil systems, control linkages, clutches, and traction units. Walbec produces high-quality construction materials and delivers unparalleled professional design, engineering and construction services at its six companies, including Payne and Dolan, Northeast Asphalt, Zenith Tech, Parisi, PremierConcrete, and Construction Resources Management.