Mechanical Division

Setting the Standard in Mechanical Excellence for Over a Century

Sullivan and Merritt’s mechanical division has been setting the standard of project supervision and implementation for years.  This division provides complete pipe fabrication, medical gas, plumbing, HVAC piping and pneumatic instrumentation.  Our services range from orbital pipe welding to equipment rigging and installation.  

With an institutional knowledge of more than a hundred years throughout our skilled and experienced staff, SMC prides itself on craftsmanship, safety, and on-time/on-budget project completion..

Large piping outside

SMC’s Mechanical Services Include:

  • Complete pipe fabrication and installation including stainless steel, carbon steel, titanium, aluminum, copper nickel and chrome molly piping systems
  • Boiler installations and conversions
  • Skid-mounted pipe fabrication
  • Marine pipe fabrication and installation, DNV & ABS Certified
  • Medical gas, plumbing, and HVAC piping
  • ASME code projects (including alterations)
  • Pneumatic instrumentation
  • Hydrostatic and ultrasonic testing
  • ASME “S” and NBIC “R” stamp certified
  • Natural gas and propane piping certified
  • Orbital pipe welding
  • Equipment rigging and installation
  • Millwright work
  • Laser alignment for pumps/motors
  • Biomass Boiler Installation
  • Food grade pipe fabrication
  • American Petroleum Institute installations and repair qualified