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.

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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.

  • What Should a Custom Process Skid Quote Include?

    A custom process skid quotation should define the equipment, fabrication and assembly work included in the price, along with engineering responsibilities, inspection, testing, documentation and delivery terms. It should also identify assumptions, exclusions and the drawings used to prepare the offer. For EPCs, equipment designers and industrial end users, a useful quote starts with a…

  • Trusted Heat Recovery Unit Fabricator for Energy Projects

    Alps Welding is fabricating a custom heat recovery unit for an energy industry application. As a heat recovery unit fabricator, we bring together aluminum fabrication and stainless steel pressure-retaining assemblies within one custom equipment build. Measuring 16 ft 8 in long × 6 ft 9 in wide × 5 ft 5 in high, this unit…

  • Trusted Replacement Vessel Manufacturer for Amine Column Sections

    Alps Welding is fabricating a 229-inch-long stainless steel replacement section for an amine column used in the oil and gas industry. Particularly, the project includes additional nondestructive examination (NDE), followed by chemical cleaning, pickling and passivation after fabrication is complete. As a replacement vessel manufacturer, we support industrial customers requiring complete custom vessels or replacement…

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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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