Welcome to Alps Welding
Your Canadian Manufacturer of Custom Pressure Vessels & Heat Exchangers
For over 50 years, Alps Welding has been the fabricator of choice for EPCs, equipment designers, and end users across North America and beyond for their heat exchanger and pressure vessel equipment. Let us quote your next project!
About us
We are a globally competitive metal fabricator, specializing in custom industrial process equipment for a wide variety of industries.
With decades of experience, our team can deliver complete solutions from engineering support through fabrication and delivery. We bring technical expertise, industry compliance, and the capability to handle large, complex projects. While our core expertise lies in pressure vessels and heat exchangers, we also have extensive experience manufacturing a wide range of custom process equipment.
Our products are manufactured in Woodbridge, Ontario, and can be found worldwide.
Our Products

Heat Exchangers and Pressure Vessels
We design custom pressure vessels and heat exchangers that meet industry standards for demanding industrial environments.

Filtration and Purification Equipment
High-quality filter vessels for various industries, including precision-critical use cases.

Skid Packages and Modular Equipment Systems
Install-ready skid packages and modular systems assembled in-facility, including all fixtures (e.g., electrical and controls, piping, structural).

Other Custom Vessels and Process Equipment
We can fabricate project-specific products, including tube packages, flare stacks, storage tanks, vessel attachments, and more.
Recent Posts and News
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Custom Carbon Steel Vessel Built for Demanding Industrial Applications
Large vessel fabrication brings together material preparation, fit-up, welding, and the handling of substantial assemblies. At Alps Welding, we manufacture custom vessels for industrial projects, with each fabrication scope guided by the customer’s requirements. This recently fabricated and painted carbon steel buffer vessel for the oil and gas industry is one example. Measuring 96 inches…
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Precision Craftsmanship: Custom Pressure Vessel for Food and Beverages
At Alps Welding, we take pride in turning project requirements into custom fabricated equipment. This carbon steel custom pressure vessel, built for the food and beverage industry, measures 1,700 mm in diameter × 13,000 mm tangent-to-tangent. As a pressure vessel manufacturer, we understand that every project brings its own combination of dimensions, connections and fabrication…
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Custom Pressure Vessel Guide: From Project Requirements to Fabrication
A custom pressure vessel needs to fit both the process it serves and the space where it will operate. Pressure and temperature matter, but so do piping connections, maintenance access, material requirements and the route the equipment will take into the facility. For engineers, equipment manufacturers and purchasing teams, a clear starting specification makes it…
Need fabrication support for your next project? Let’s connect!
Connect with our team to request a quote, schedule a shop tour, or discuss your project requirements. We’ll work with you to deliver a tailored fabrication solution that meets your scope and timeline.









