Services
Comprehensive Underground Solutions
Engineered for Every Challenge
At Marathon Underground, we don’t just dig—we solve. With decades of experience and a nation-wide reach, we offer specialised services that span the full scope of underground infrastructure, ground improvement, and geotechnical drilling. Every project we take on is backed by value-added engineering, experienced crews, and a commitment to getting it done right the first time.
Trenchless
Powering Underground Infrastructure
Specializing in shafts and tunnels, micro tunnelling, horizontal directional drilling, pipe jacking, auger boring and specialty rock tunnels. From pipelines to large-diameter utility tunnels, we deliver large-scale infrastructure solutions.
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Shoring & Foundation
Strength Below the Surface
We design and build engineered shoring systems and deep foundation solutions, including excavation support, pile installation, caissons, secant walls and ground improvement for all soil conditions across Canada.
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Geo Construction & Ground Improvement
Advanced Ground Improvement and Geotechnical Solutions
We provide consolidation grouting, soil improvement, shotcrete solutions for both rock walls and soil walls, bentonite slurry solutions for caissons, jet grouting, and a full suite of geotechnical enhancements tailored to project needs.
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Earth Works & Infrastructure
From Site Preparation to Major Infrastructure
From site preparation to full-scale civil infrastructure, Marathon Undergound manages excavation, grading, wet and dry utility installation, and earth moving for public and private-sector projects.
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Environmental & Geotechnical Drilling
Accurate Subsurface Data Starts with Expert Drilling
We offer a full range of environmental and geotechnical drilling services for site investigation, monitoring, sampling, and remediation. With auger, sonic, rotary and direct-push technology in our fleet, we provide accurate data and dependable performance in any ground condition.
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Need help planning your project?
Our team of engineers and field specialists are here to help.
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