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.
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
What Clients Can Expect
As new testimonials come in, this section is ready to showcase the same reliability, communication, and craftsmanship we bring to every job.
★★★★★
Reliable scheduling, clear communication, and careful site planning from start to finish.
Future Residential Client
Homeowner in Stillwater County
★★★★★
A dependable partner for grading, access work, and custom site preparation with safety in mind.
Future Commercial Client
Developer in Yellowstone County
★★★★★
Professional oversight, fixed pricing, and quality workmanship for demanding Montana projects.
Future Agricultural Client
Farm or Greenhouse Operator
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
406-426-0388
tony@drtman.com
Monday to Friday by appointment. Call for project scheduling and site visits.