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, Premier Concrete, and Construction Resources Management.