McCloskey Mechanical knows how to duct and cover. Running duct work and laying pipe are only a couple of the tasks performed by the plumbing and HVAC contractor that works for commercial customers in seven northeastern states. Working from offices in Massachusetts and New Jersey, it does remodel and design/build work on everything from parking garages and hospitals to hotels and shopping malls. McCloskey Mechanical has worked on projects for Temple University, Gucci, Apple, the US Air Force, and Swarovski. CEO David McCloskey Sr. formed the company in New Jersey in 1985; it expanded into Maryland in 2007.