24/7 Emergency Boiler
Repair Services

ISB is considered an essential business as stated by the “Federal Emergency Mandate” and “Massachusetts Emergency Mandate” we offer 24-hour support assistance for maintenance and emergency repairs. We have service technicians that can be dispatched to support critical needs and make ourselves available in this effort. 

 You may contact us anytime at 800-462-3369 

Welcome to ISB

"Your One and Only Stop For Quality Service & Performance"
Extraordinary Management

Since our founding in 1991 we have been a leader in boiler repair and power plant services. Our staff is comprised of experienced professionals who assure that our services are performed to the highest industry standards. All members of our team are knowledgeable in many crafts allowing ISB to provide unparalleled quality services to meet your needs.

Services To Meet Your Needs

We offer years of experience in boiler repairs, line valve repairs, safety valve "VR" repairs, on site testing of safety valves, steel fabrication services, heat exchanger retubing, condenser retubing, A.S.M.E. code welding as well as "R","S" and "U" welding stamps, boiler and associated valve parts. ISB has also been selected by KUNKLE VALVE as an authorized O.E.M. center/assembler, including the supplying of new Kunkle safety valves. We look forward to this opportunity.

Added value services include piping, economizer retubing, D.A. tank inspections, boiler retubing, boiler cleanings, HRSG repairs,  boiler tube repairs, refractory repairs, pressure vessel repairs, pressure vessel manufacturing, on site machining to flanges, manway and manhole gasket surfaces. We have extensive outage experience and our self contained mobile machine shop is available for outages.

Unparalleled Services

ISB offers unparalleled services. We provide technicians that are cross trained in several crafts to better understand repair scopes, perform the required labor with the least amount of cost to our customers, helping them stay within budget with minimal downtime. All ISB employees are OSHA 10 certified and we are a drug free work place. ISB is an approved safe and reliable contractor with www.isnetworld.com.