Wiltsie holds the following ASME and NB code stamps:

{S} Pressure Part Fabrication, Pressure Piping Assembly & Power Boiler Assembly
{U} Unfired Pressure Vessel Assemblies
{R} Repairs and Alterations to Fired and Unfired Pressure Vessels
{NB} National Board of Pressure Vessel Inspectors

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Boiler & Ancillary Equipment

Since our founding in 1970, we have helped industrial and power plant clients improve the efficiency, reliability, and maintainability of their boiler technologies with the delivery of high-performance services in the fields of boiler upgrade, boiler repair and maintenance, energy conversion, and emergency boiler repair.

Our boilermaker supervisors and employees are consistently upgrading their skills in safety training, rigging, and welding technologies. 

We have participated in boiler projects at hundreds of electric utility fossil-fueled stations, industrial powerhouse complexes, waste-recovery stations, and combined-cycle complexes throughout the Northeastern United States.

We offer the following boiler and ancillary services:

  • 24-hour emergency boiler repair
  • Boiler erection, modification and repair
  • Boiler maintenance and reliability services
  • Inspection services
  • Maintenance planning
  • Certified ASME code stamp welders
  • Tube replacement (rolled and welded)
  • Shell, tube sheet, and mud leg repairs
  • Bag houses 
  • Ductwork, breeching, and stacks
  • Electrostatic precipitators
  • Flue gas desulfurization (FGD)
  • Selective catalytic reduction (SCR)
  • Heat recovery steam generators (HRSG)
  • Air quality control systems 
  • Low nox burners 
  • Condensers 
  • Feed water heaters 
  • Unfired pressure vessels
  • Fans 
  • Heat exchangers
  • Air heaters 

ASME Code Shop Fabrication and Repair

Our in-house ASME code shop provides around-the-clock support to our field crews with the design, detail and manufacture of custom repair or replacement components for boiler systems. 

Our customers rely on our fabricating facility to minimize turnaround time and produce parts and equipment that meet their demanding schedules.

Critical Shutdowns

We specialize in critical shutdown environments; we are prepared for planned outages, and are staffed for 24-hour-emergency service and repairs for boiler disruptions and failures.

Whether working under a scheduled plant outage or an emergency shut-down, Wiltsie can deliver the technology, skill, and supervision required to meet your most challenging boiler technology needs.

Contact us today to see the superior quality workmanship, safety, and reliability for which we are recognized in the industry.

Wiltsie Construction Co., Inc. • 735 East Seneca Street, Oswego, NY 13126 • P: 315.342.1880 • F: 315.343.8238