DeSesa Engineering

De Sesa Engineering Co., Inc. was established by Daniel DeSesa, P.E., in 1946 in Newark, New Jersey. Its 10,000 square foot facility in Livingston, New Jersey houses its general offices, engineering, CAD system, Computer Room, Estimating and Purchasing Departments, along with ample warehouse and secured yard space for service and construction equipment. has complete in-house design capabilities with professional engineering registration. Over the years, the company has installed all types of HVAC systems in a variety of establishments. It has designed and installed systems for office buildings, warehouses, supermarkets, banks, retail stores, hospitals, computer rooms, restaurants, laboratories, and theaters.