J-Track, LLC provides track and transit system construction services that encompass track, signal, power, concrete and excavation work, as well as design, general contracting and construction management.
TC Electric, LLC is a versatile electrical contracting company focusing on municipal and industrial electrical system installations. Initially operating in the niche market of transit signal system installations, TC Electric has expanded into other facets of electrical systems work in the commercial, industrial and heavy construction markets.
Welkin Mechanical, LLC is a mechanical construction firm specializing in process piping, pumping, filtration and in-facilities water and waste water projects. Welkin’s principals have served clients ranging from government agencies to utilities, contractors and private firms.
Infrastructure Electric, LLC focuses on outdoor electrical construction, primarily in the public sector. The company’s areas of expertise include street lighting, traffic signals, airport lighting, fiber optic communications, specialty lighting, Intelligent Transportation Systems, power distribution and site utilities.
The company is currently working on a project at JFK Airport, which involves the installation of equipment airport wide, for Raytheon’s “Design Build Operate and Maintain” contract at New York area airports.
IE is currently working on two jobs for New York State DOT: ITS Westchester Installations and ITS Maintenance in the five boroughs.


