Cohesive Construction & Excavation LLC
Reliable Excavation and Site Work Across Montana
Fixed-price excavation, grading, remediation, and custom earthwork backed by 26 years of civil engineering experience and a lifetime workmanship guarantee.
Excavation Services Built for Montana
From rural property improvements to commercial site preparation, we deliver dependable earthwork with hands-on oversight and clear scopes.
Excavation
Efficient digging, trenching, and earthmoving for residential, agricultural, and commercial projects.
Site Grading
Precise grading for drainage, access, foundations, and long-term site performance.
Soil Preparation
Pad prep and soil conditioning for greenhouses, structures, and specialty installations.
Slope Work
Stabilization, reshaping, and retaining wall support for challenging terrain and erosion concerns.
Construction Support
Reliable site prep, material handling, and coordination that keep your project moving safely.
Remediation
Targeted cleanup and corrective earthwork for damaged, unstable, or underperforming sites.
Why Choose Us
Local Expertise with Hands-On Oversight
Cohesive Construction & Excavation LLC is a locally owned company based in Columbus, Montana, serving Stillwater County, Yellowstone County, Carbon County, Sweetgrass County, and projects across the state.
Owner Tony brings 26 years of civil engineering experience to every project, combining practical field knowledge, safety-focused execution, fixed-price contracts, and a commitment to quality craftsmanship on even the most unique custom jobs.
Our Promise
Built on Trust, Safety, and Lasting Workmanship
Request Your Free Estimate
Call first for the fastest response, or send your project details below. We serve Columbus, Billings, and greater Montana with dependable excavation and site preparation.
6 Beartooth Dr W, Columbus, MT 59019
tony@drtman.com
Mon–Fri: 7:00 AM–6:00 PM
Sat: By appointment