Your Canadian Manufacturer of Custom Pressure Vessels & Heat Exchangers

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.

Heat Exchangers and Pressure Vessels

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

Filtration and Purification Equipment

High-quality filter vessels for various industries, including precision-critical use cases. 

Skid Packages and Modular Equipment Systems

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

Other Custom Vessels and Process Equipment

We can fabricate project-specific products, including tube packages, flare stacks, storage tanks, vessel attachments, and more.

Fabrication in accordance with ASME Section VIII and National Board requirements (“U” and “R” Stamps), meeting strict industry and end-user specifications.


Alps has ASME certifications with U and R Designations
We made all of our products in Woodbridge, Ontario and ship them to different locations.
Alps is part of the Canadian Manufacturers and Exporters Association.
Skyline view of an industrial factory with tall chimneys against a clear sky.

Fabrication of pressure vessels, flare stacks, and custom process equipment for petrochemical clients worldwide. Our products are found in projects from Canada to Saudi Arabia.

Scenic view of a nuclear power plant with cooling towers emitting steam in Hameln, Germany.

Decades of experience supporting power generation projects across nuclear, renewable, and fossil fuel industries.

Close-up of stainless steel pipes and valves in a chemical industry setting.

Fabrication of corrosion-resistant vessels and process equipment for chemical applications requiring tight tolerances and strict compliance standards.

natural, building, tower, water treatment plant, water purification, the natural environment, river, swan, b, wood, winter, japan, water purification, water purification, water purification, water purification, water purification

Manufacturing tanks, piping systems, filters, and structural components for municipal and industrial water treatment facilities.

A powerful image of molten metal pouring in a heavy industry steel mill setting.

Heavy-duty fabrication and high-temperature process equipment designed to perform in extreme steel production environments.

A large bucket wheel excavator operates in a vast industrial mining area, illustrating heavy machinery in action.

Durable fabrication solutions for mining operations, including material handling structures and process equipment built for harsh conditions.

  • Carbon vs. Stainless Steel Pressure Vessels: Essential Guide

    Choosing between a carbon steel pressure vessel and a stainless steel pressure vessel starts with what the vessel will contain and how it will operate. Carbon steel can offer an economical solution when it is compatible with the service and corrosion is controlled. Stainless steel may be a better fit when corrosion resistance, product cleanliness…

  • Precision Sub-Arc Welding for Demanding Carbon Steel Tanks

    Alps Welding is currently fabricating four carbon steel kettles for a recycling application in the energy industry. Built as open-top process tanks, this project highlights our capabilities as a carbon steel tank manufacturer and our extensive use of sub-arc welding in custom equipment fabrication. Open-Top Carbon Steel Tanks for Recycling With four units in fabrication,…

  • Precision Heat Exchanger Fabrication for Energy Recovery

    Alps Welding fabricated this custom heat exchanger to a customer-supplied design for an energy recovery application. Our customer specializes in advanced heat recovery and energy-saving equipment design. We took their innovative, industry-leading design and fabricated it for them to their exact specifications. Featuring stainless steel piping and aluminum structural components, the assembly measures 6 feet…

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projects delivered
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years of experience
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countries around the world reached

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