The Pipefitter (Assembly) lays out, fabricates, assembles, installs, tests, and maintains piping systems, pipe supports, valves, fittings, and related equipment used in prefabricated modular systems. Epsilon is a leader in the Off-Site Construction (OSC) industry, delivering mechanical/electrical-centric systems in a modular, prefabricated form, optimized for a streamlined on-site completion by us or others.