VALENTINE UNDERGROUND CIVIL INFRASTRUCTURE

We are the Foundation of Reliable Infrastructure.

About

Celebrating Over 100 Years Of Infastrucutre Services in the GTA

For over 100 years, our close-knit team at Valentine Underground has been more than just builders—we’re proud neighbors dedicated to strengthening our GTA community. We combine traditional know-how with fresh, modern approaches to create infrastructure that truly stands the test of time.

Health & Safety

We’re proud to display our IHSA Certificate of Recognition as proof of our unwavering commitment to top-tier safety on every project.

Eco Responsible

Valentine Underground Services Ltd. takes pride with it's commitment to being both responsible to taking care of the environment and community during its site work. We understand that we are the face of our client while we are on site, and realize the importance of ECO responsibility.

Union Affiliations

Services

We specialize in delivering high-quality infrastructure solutions across a wide range of sectors, including commercial, industrial, and residential developments. Our expertise extends to road improvement projects, institutional facilities, life sciences, data centers, and municipal infrastructure. With a commitment to precision, efficiency, and durability, we provide comprehensive services that support the growth and sustainability of communities and businesses.

Projects

Mattamy Sports Park

500,000 Sq Ft Industrial Building

Billy Bishop Airport

1.3M Sq Ft Industrial Development

Mulock Park

Halton Regional Police

Toronto Pearson International Airport

Loblaws DC Kentucky

Enercare Center

BMO Field

Sanofi Pasteur

Contact

General Email: info@valentineunderground.com

Estimating Email: Estimating@valentineunderground.com

Phone: 905-677-1117

Address: 1510 Drew Rd Unit 6 & 7 Mississauga, ON L5S 1W7