Founded in 1945, R.W. Sullivan Engineering is a full service mechanical, electrical, plumbing, fire protection design engineering and code consulting firm with a sustainable mindset. We also provide commissioning and retro commissioning services. Our team of dedicated engineers and designers are committed to finding solutions to the design challenges presented by complex buildings. We are proud of our reputation for sustainable design and the longstanding relationships we have with many of the most distinguished institutions in the United States.