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.
Our Services
From Excavation to Execution—Complete Heavy Civil Solutions

Pipeline Integrity Digs
Precision excavation to expose and assess existing pipelines for inspection, maintenance, and repair without compromising structural integrity.

New Pipeline Construction
Complete excavation and site preparation for new pipeline installations, ensuring proper depth, grade, and compaction for long-term performance.

Earth moving (Cut & Grade)
Bulk material removal and precision grading to achieve specified elevations and contours for site development and infrastructure projects.

Ditches & Drainage Systems
Excavation and installation of drainage solutions to manage stormwater, prevent erosion, and protect infrastructure from water damage.

Deep Excavation with Shoring
Safe, engineered excavation for below-grade structures with proper shoring systems to protect workers and maintain site stability.

Forming & Pouring
Custom formwork design and concrete placement for foundations, slabs, and structural elements built to exact specifications.

Structural Supports
Engineered concrete supports and anchor systems designed to bear heavy loads and secure critical industrial infrastructure.

Pads for Buildings and Tanks
Precision-graded concrete pads providing stable, level foundations for structures, storage tanks, and heavy equipment.

Holding Tank Foundations
Structural concrete foundations engineered to support industrial holding tanks and containment systems in petrochemical and utility applications.

Holding Tank Foundations
Structural concrete foundations engineered to support industrial holding tanks and containment systems in petrochemical and utility applications.

Line Painting (Roads, Parking lots)
Professional pavement marking for traffic control, parking designation, and safety compliance using durable, high-visibility materials.

Catch Basin Repair & Maintenance
Inspection, cleaning, and structural repair of stormwater catch basins to maintain proper drainage and prevent system failures.

Scaffolding and Hoarding
Safe access solutions and protective barriers for construction zones, ensuring worker safety and site security throughout project duration.

General Labour (Flooring, Painting, etc.)
Versatile support services including interior finishes, surface preparation, and site maintenance to complete projects from start to finish.
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.
- We maintain zero-incident worksites through rigorous safety protocols
- We've successfully delivered multi-year, complex petrochemical projects
- We coordinate seamlessly with mechanical and electrical contractors
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.
- We provide comprehensive civil support for mechanical installations
- We've proven our ability to work seamlessly with mechanical teams
- We adapt quickly to site changes and scheduling needs
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.
- We own an asphalt plant to support municipal infrastructure needs
- We simplify municipal procurement with multi-trade capabilities
- We minimize disruption to communities during public works projects
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.
- We've completed major energy infrastructure projects successfully
- We respond quickly to emergency repairs and scheduled maintenance windows
- We provide comprehensive civil support for utility infrastructure
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.
- We provide end-to-end civil services for infrastructure development
- We coordinate effectively with developers, engineers, and municipal authorities
- We adapt quickly to subsurface conditions and site challenges
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.