Notch Mechanical Constructors

Industrial mechanical contractor specializing in the installation of piping and plumbing systems for power, process, and advanced technology facilities in MA, CT, RI, NH, VT, and eastern NY. Our team incudes pipefitters, plumbers, ASME qualified pipe-welders, and engineers. We hold ASME code stamps for power piping (PP) and pressure vessels (U), as well as the NBIC repair (R) stamp. 100% Employee-Owned since 2020