Serving Ontario and Beyond

Heavy Civil Construction and Critical Infrastructure Solutions

LEC Engineers & Contractors delivers multi-trade heavy civil solutions across Ontario and beyond—treating every project as a partnership, not a transaction.

Who We Are

Engineering Solutions. Building Relationships. Delivering Results.

“We treat projects more like a partnership than anything else.”

Since 2015, LEC Engineers & Contractors has delivered over $100 million in heavy civil construction and critical infrastructure projects across Ontario and beyond. Rooted in Sarnia’s petrochemical sector and backed by more than 100 years of combined leadership experience, we bring versatility, transparency, and adaptability to every project. From pipeline integrity work to large-scale concrete pours, our multi-trade team handles it all—reducing delays, increasing control, and ensuring zero-incident safety standards.

Millions in completed projects
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Safety incident worksites
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Years of Combined Leadership Experience
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Our Services

From Excavation to Execution—Complete Heavy Civil Solutions

What Sets Us Apart

More Control.
Better Communication.
Proven Performance.

Our reputation is built on more than technical expertise—it’s earned through transparency, adaptability, and a genuine commitment to client success. From proactive cost-saving recommendations to zero-incident safety standards, we treat every project as a long-term partnership, not a transaction.

Versatility

Multi-trade in-house team reduces delays and increases control.

Transparency

Open communication, especially on pricing and scheduling.

Adaptability

Known for reacting quickly to site changes.

Client-Centric

Focus on partnership and long-term relationships over short-term gains.

Cost-Saving

Will proactively suggest cost-effective alternatives.

SECTORS WE SERVE

Building Across Industries, Trusted Across Canada

From petrochemical plants to municipal infrastructure, LEC brings multi-trade expertise and proven performance to the sectors that power Ontario’s economy and beyond.

Petrochemical Industry

Rooted in Sarnia-Lambton’s petrochemical hub, LEC Engineers & Contractors has built its reputation serving some of Canada’s largest energy and chemical producers. From pipeline integrity digs to large-scale facility construction, we understand the precision, safety standards, and regulatory compliance required in this demanding sector. Our multi-trade capabilities allow us to handle everything from deep excavations and concrete forming to structural supports for piping and equipment—all while maintaining zero-incident safety protocols critical to petrochemical operations.

Mechanical Contractors

LEC Engineers & Contractors serves as a trusted civil partner to mechanical contractors across Ontario and beyond, providing the foundational work that enables successful mechanical installations. From excavation and site preparation to concrete forming and structural supports, we handle the heavy civil components that mechanical projects depend on. Our multi-trade capabilities mean fewer coordination headaches, tighter timelines, and seamless integration between civil and mechanical scopes—allowing mechanical contractors to focus on their specialized work while we deliver the groundwork.

Municipalities

Municipalities across Ontario trust LEC Engineers & Contractors to deliver the heavy civil and infrastructure work that keeps communities connected and functioning. From road construction and parking lot development to water and sewer systems, we provide the foundational services municipalities need to serve their residents. Our owned asphalt plant enables us to support local infrastructure projects with greater control over materials, scheduling, and costs—giving municipal clients the reliability and transparency they require when managing public projects and taxpayer dollars.

Energy and Utilities

LEC Engineers & Contractors provides essential heavy civil services to energy and utility providers across Ontario and beyond, supporting the infrastructure that powers communities and industries. From water treatment facilities to power generation plants, we deliver excavation, concrete, and site services with the precision and safety standards these critical projects demand. Our experience includes major utility projects like the TransAlta Boiler and Water Treatment Building, where we poured over 600 cubic meters of concrete and performed all civil tasks for new boiler installation—demonstrating our capacity to handle large-scale energy infrastructure work.

Infrastructure Development

LEC Engineers & Contractors plays a vital role in infrastructure development projects that shape Ontario’s growing communities and expanding industrial landscape. From greenfield site development to brownfield redevelopment, we provide the comprehensive heavy civil services that transform raw land into functional, build-ready sites. Our multi-trade capabilities allow us to handle every phase of infrastructure development—excavation and grading, underground utilities, concrete foundations, drainage systems, and road construction—delivering integrated solutions that keep development projects moving efficiently from concept to completion.

Relationship-Driven

Trusted By Industry Leaders

Ready to Start Your Next Project?

Your Project Challenges, Our Proven Solutions

With 100+ years of combined leadership experience and multi-trade capabilities, LEC has the expertise to tackle your heavy civil and infrastructure needs from start to finish.