What started in 1887 as a modest, single cut stone quarry has evolved into today ’s multi-divisional diversified enterprise with over 1200 employees across North America.

Walker is the product of strong family heritage, driven by the rich and diverse history of the businesses it has developed, grown and acquired over the past century. Passed down through five generations of the Walker family, we remain committed to doing the right thing for employees, customers, the environment and the communities we are proud to call home. That is the Walker way.

Walker offers high-performance products and services across a wide range of industries. We partner with customers to meet their individual needs. From commercial waste disposal to road construction and landscaping, we adhere to superior standards and maintain consistent quality control across all of our products and services.

Divisions

AGGREGATES & CONSTRUCTION

Supplying the high quality materials and services necessary to build and strengthen Ontario’s infrastructure through Walker Aggregates and Walker Construction.

ENVIRONMENTAL

Providing critical services and infrastructure for communities to manage waste, recover resources and contribute to a circular economy through Walker Waste Services, Walker Grease Trap Services and product brands N-Rich®, All Treat Farms® and Gro-Bark®.

EMULSIONS

Using advanced chemistries and technologies, Walker Emulsions creates innovative and sustainable wax and asphalt emulsions used across a wide array of manufacturing and construction applications including road building and resurfacing, wood and forest products, insulation, food packaging and more.

Environmental, Environmental Solutions, Manufacturing, Recycling – Organics, Waste Management