(800) 565-9729

55 Chapman Street

Providence, RI 02905

 
 
 
 

 

Mechanical & Welding Services

 
 

OST Services maintains National Board Inspection Code (NBIC) "R" stamp certificate # 4479 and American Society of Mechanical Engineers (ASME) "U" #30,620 and "S" #30,619. All of which are avaliable upon request.

  • Boiler tubing and repairs
  • Pressure vessel repairs
  • Pipe repairs and installation
  • Valve installation
  • Casting upgrade
  • General plant support
  • Desuperheater repairs
  • Pipe support adjustments, repairs, testing, replacement or installation 
  • Positive Material Identification (PMI)
  • Welder qualification