about us

Founded in

1977

Major Projects

500+

Small Projects

2000+

mission statement

We are committed to being leaders in water and wastewater solutions through teamwork & partnership.

We pride ourselves on our reputation and integrity, delivering exceptional services that exceed client expectations.

Our mission is to build strong, lasting relationships with our clients, ensuring sustainable and innovative solutions for all their mechanical needs.

core values

Four interlocking puzzle pieces, two black and two blue, arranged in a square.

teamwork

Graphic of two hands shaking, one in black and one in blue, symbolizing agreement or partnership.

partnership

Two black hands holding a blue award ribbon with a star in the center.

reputation

An illustration of a handshake above an open hand, symbolizing partnership or helping hand.

integrity

Icon of three people, with the central figure in blue and the others in black.

leaders

Who we are

Welcome to WA Stephenson Mechanical Contractors Ltd., where expertise meets legacy in the realm of Water/Wastewater facilities throughout Ontario, Canada. Since 1977, WA Stephenson Mechanical Inc. has stood as an individualized unit, dedicating over 45 years to delivering unparalleled construction services to the province of Ontario. As a specialty contractor, our primary focus lies in the intricate realm of Water/Wastewater facilities.

Throughout our extensive journey, WA Stephenson Mechanical Contractors Ltd. has evolved into an industry leader, earning a reputation that is second to none. Our commitment to excellence is embedded in every facet of our operations, making us a trusted name in the construction landscape of Ontario.

What sets us apart is our team—comprising both administrative and technical professionals—who are construction enthusiasts "right through." With years of hands-on experience in various capacities, be it on construction sites, at the headquarters office, estimating desks, or project manager offices, our personnel bring a wealth of practical knowledge to every project.

At WA Stephenson Mechanical Contractors Ltd., we take pride in our rich legacy, spanning four and a half decades. As a distinguished Water/Wastewater Mechanical Contractor, we have played a pivotal role in shaping and sustaining water infrastructure across diverse communities. Our foundation is built on trust, specialization, and unwavering integrity, ensuring that we not only meet but exceed the expectations of our clients.

Join us on this journey as we continue to be at the forefront of innovation and excellence, contributing to the growth and resilience of water infrastructure in Ontario. At WA Stephenson Mechanical Contractors Ltd., we don't just construct; we build lasting partnerships and shape the future of water and wastewater facilities in the province.

An industrial workshop with large machinery, including a high-voltage generator with a warning label, overhead yellow crane with 5-ton capacity, and various tools and equipment on shelves.

our clients

Blue rectangular sign with a large stylized letter D and the text "Durham Region" beneath it.
Logo of York Region featuring a stylized bird in flight above the text 'York Region' in blue.
Logo of Toronto with stylized outline of buildings on the left and the word 'Toronto' in bold blue letters.
Peel Region logo featuring a stylized 'P' design in white on a blue background with the text 'Peel Region' next to it.
Logo of Ontario Clean Water Agency with a water wave symbol and text in English and French.
Logo featuring blue wings, a green and blue maple leaf with a white open book in the center, and the text 'Region of Waterloo' beneath.

Contact us

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