GET TO KNOW YORK1

We’re proud to be one of North America’s oldest environmental and infrastructure companies.

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PEACE OF MIND
PERFORMANCE

Since 1950, our customers have counted on us to get the job done right. That means staying true to our tradition of service excellence, by working smoothly, safely and sustainably. It also means delivering in the same dependable way—time and time again. That’s Peace of Mind Performance, our promise to you.

SEVEN DECADES, SIX COMPANIES, ONE STORY

Our 70-year history is built on the amazing journey of three generations of enterprising families in six successful companies. Today, these six companies are one united family, serving communities and businesses as York1.

Smiling worker carrying a tablet. Wearing blue York1 hardhat, clear goggles and orange hi-vis jacket.

COMMITTED TO
SAFETY & SUSTAINABILITY

At York1, getting the work done right means doing it safely and sustainably — for our employees, for the communities where we serve, and for the environment.

Explore Environmental Work Protocols >
Explore Infrastructure Work Protocols >

A LEGACY OF JOBS DONE RIGHT

Through our work, we’ve helped communities and businesses with some of the most iconic architectural structures and major cleanups in Canadian environmental and infrastructure history.

Coxwell Bypass Tunnel

Coxwell Bypass Tunnel

York1 is helping to build the 10.5-kilometre tunnel, which will divert combined sewer overflow from entering Lake Ontario and the Don River.

Ashbridges Bay Treatment Plant Outfall Tunnel

Ashbridges Bay Treatment Plant Outfall Tunnel

Located beneath Lake Ontario, the 3.5 kilometre-long outfall tunnel will help clean up the city’s shorelines and beaches with treated water.

Peel Tunnel

Peel Tunnel

The 2.2 kilometre-long tunnel is helping develop residential areas in Mississauga by delivering improved and refreshed water to houses and apartments in Peel Region.

Metro Toronto Convention Centre

Metro Toronto Convention Centre

York1 provided infrastructure services for Canada’s largest convention facility.

Rogers Centre

Rogers Centre

During its construction, York1 took part in the largest excavation in downtown Toronto history, removing 1 million+ cubic metres of earth.

Scotia Plaza

Scotia Plaza

York1 participated in one of the deepest excavations in Canadian history, digging out 110 feet of earth to make room for the Scotia Plaza.

Scotiabank Arena

Scotiabank Arena

Having received over 40 industry awards, the arena remains one of the most renowned venues in Canada.

CN Tower

CN Tower

Standing 553.3 metres-high, this modern wonder of the world was the tallest freestanding building until 2007.

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WORKING WITH THE BEST
BRINGS OUT OUR BEST

We’re honored to have the trust of some of the most respected organizations in North America.

toronto-logo
metrolinx-logo
Aecon
Dragados
Ellisdon
Infrastructure ontario
ledcor
mattamyhomes
South Holdings
Tridel Build
Smiling worker on job site carrying a tablet. Scaffolding in the background. Wearing white York1 hardhat, clear goggles, and yellow hi-vis vest.

Join York1

Want to build a career with a company that cares? Come join our team.

What’s New

  • York Group of Companies Unites Under the York1 Brand
    VAUGHAN, ON (October 25, 2021) Today, York Group of Companies, a leading provider in infrastructure and environmental services in Ontario, unveiled its new brand identity and name change to York1. Along with the name change, the company launched a new … Read more
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