Robert W.Sullivan, Inc. is a third generation family business established in 1945. This is a portrait of our founder Robert W. Sullivan, P.E. A. Eugene Sullivan, P.E. lead the firm for over 35 years and now Paul D. Sullivan, P.E. and Mark J. Sullivan, President and CEO respectively, have grown the firm by 80% in the past four years. Currently our services include HVAC, Electrical, Plumbing and Fire Protection Engineering as well as Code Consulting and our staff has increased to more than 70 people.