When the pressure is on, industry turns to

Trenergy Inc.

Trenergy is a 100 percent locally owned fabrication plant in St. Catharines, Ontario. We are an active participant in most areas of industrial activity and have no geographic boundaries for participation in projects. We provide a service to most domestically and internationally known companies which have a requirement for major pressure vessels and associated pressure parts.

Click the video below to see our rail car cover production line.

Click the videos below to see a timelapse and drone footage of repair work on a 400 metric ton KOBM vessel, completed in 2022.

Boiler Components and Package Boilers

Pressure Vessels

Custom Fabrication


conventional and cnc machining services ARE available through our sister company JTL INTEGRATED MACHINE


Trenergy nde division offers a complete range of certified non destructive testing methods for critical components

Serving major industrial customers across the globe

With rail lines, a major highway and the St. Lawrence Seaway within a mile of our facility,
shipping worldwide is hassle free.


Our experienced team of skilled welders and fitters are highly adaptable to serve your needs in Oil & Gas, Petrochemicals, Fertilizer, ICI, Pulp & Paper industries. From decades of working on complex builds, Trenergy is skilled at working with materials from carbon steel to chrome alloys to stainless steel to Inconel. The ingenuity of our staff will make any complex build a successful project.


Our 210,000 sq ft facility is equipped to handle the most demanding Pressure Vessel and Power Boiler jobs and is located close to major rail, sea and highway transportaion hubs. We also offer NDE testing and complete industrial machining capabilities through our sister company JTL Integrated Machine.


Trenergy is dedicated to providing the highest quality products and services possible. Our shop holds a broad range of Canadian, North American and international certifications for the inspection and manufacturing of Pressure Vessels and Power Boilers allowing us to serve customers across the globe.