We own the work
Canadian construction company
Delivering complex ICI, water, and wastewater infrastructure projects across Ontario with transparency and accountability.
Solutions
Building projects that matter
Owning the work means producing results, not excuses. ASCO stands behind every institutional, commercial, and industrial (ICI), water, and wastewater project we build. From planning through completion, we manage risk, maintain clear communication, and ensure every project meets the highest standards.
Water & wastewater infrastructure experts
ASCO specializes in major water and wastewater construction projects that support essential services in Ontario municipalities. Our teams construct and upgrade treatment plants, pumping stations, and critical infrastructure while safeguarding operational continuity.
ICI construction across Ontario
From schools to libraries, theatres, healthcare facilities, aquatic centres, and commercial developments — we lead with disciplined planning, rigorous quality control, and transparent communication at every stage.
Why ASCO
A partner who owns the outcome
OUR TRACK RECORD
Featured construction projects
ASCO delivers ICI construction and water and wastewater infrastructure projects that support communities, public services, and local economies across Ontario. Our portfolio includes schools, theatres, aquatic centres, fire stations, and major water & wastewater treatment facilities.
Safety
Built into every project
ASCO is COR-certified and safety-driven. Through continuous training, hazard prevention, and strict site safety protocols, we protect our teams and the public with one non-negotiable goal: Zero incidents. Zero compromise.
Grow With Asco
Build your future with us
38
Years of experience
We don’t just build infrastructure — we build the teams behind it. At ASCO, “owning the work” is our standard, from the office to the job site. If you’re looking to work on complex projects with a team that takes pride in its work, ASCO offers a career built on accountability, respect, and opportunity.
A trusted Partner
About ASCO
Our commitment to project certainty
As a trusted partner for complex projects across Ontario, ASCO Construction delivers ICI, civil, and water & wastewater infrastructure projects for municipal and commercial clients. Headquartered in Hawkesbury with dedicated District Offices in Ottawa and Mississauga, ASCO serves communities throughout the province.
Proven process
Our structured project process reduces risk and ensures transparency from concept to completion.
Leadership
ASCO’s leadership team brings decades of construction experience and has managed more than $4 billion in projects.
Social responsibility
We support the communities where we live and work through local partnerships and responsible construction practices.
History
For more than 35 years, ASCO has built projects that support communities across Ontario.
News
Stay up to date with project announcements, company updates, and industry insights.
TESTIMONIALS