Interstate Mechanical Services, Inc. was founded in 1997 by owner  Richard W. Tully, Jr. and has since grown to be a  bi-coastal, comprehensive, full service contractor. We provide full mechanical installation and alterations, maintenance service agreements and fire protection services to commercial, institutional and high-end properties. 

Our 24-hour emergency number is in service 365 days a year.  Interstate is a certified member of local unions and our steamfitters are under our direct control and are bonded. 

We take pride in delivering quality projects and service on time and within budget.