Building solid relationships since 1948: 150 of our clients have been with us for more than 20 years. Decades later, we’re still finding new ways to impress them. SSOE celebrates reaching 1,500 employees while also being named a Great Place To Work® for the seventh time.A full service MEP Engineering firm with highly specialized expertise in MEP, Chemical, and Process Engineering, Hazardous Materials, Code Compliance, and Commissioning and Qualification services. As we join forces, our horizons are broadening, and so are the possibilities of our staff and clients in key markets.