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Business Details
50+ Years
experience
Your Trusted Construction Partner in Havre, MT
Established in 1960, we are a third-generation family-owned construction company specializing in commercial, industrial, and agricultural buildings. Our expertise spans self-performance of concrete and steel erection, carpentry, and comprehensive construction management. With decades of experience working alongside architects and engineers, we deliver tailored solutions for diverse sectors including government facilities, healthcare, education, and retail.

Our commitment to safety, quality, and integrity has earned us trust in Montana and surrounding regions. We utilize advanced tools like Microsoft Project and AutoDesk Revit while maintaining a robust equipment fleet. Our collaborative approach with clients and subcontractors ensures projects remain on schedule and within budget, supported by a 0.71 Workers Compensation Modification Factor reflecting our safety excellence.
Services
General Contractor Design-Build Services Construction Manager Commercial Buildings Agricultural Buildings
Details
  • Year established: 1960
Highlights and features
  • We offer 60+ years of construction experience in Montana's challenging environments
  • Self-performance of critical concrete and steel erection tasks ensures quality control
  • Design-build process reduces costs through early value engineering and collaboration
  • 0.71 Workers Compensation Modification Factor demonstrates exceptional safety standards
  • Established relationships with local subcontractors ensure reliable project execution
Services
General Contractor
As a full-service general contractor, we handle complete construction projects including concrete work, steel erection, and carpentry. Our self-performance capabilities ensure quality control across agricultural, commercial, and industrial buildings. We manage all phases from initial planning to final execution.
Design-Build Services
Our design-build approach integrates planning, design, and construction phases under one team. This method streamlines communication with owners and architects to maintain budget alignment while delivering customized solutions for complex construction needs.
Construction Manager
We provide comprehensive construction management through all project phases. Our services include preconstruction planning, budgeting, subcontractor coordination, and on-site supervision to ensure timely delivery of high-quality facilities.
People
Pete Clausen
Founder
Established the company in 1960 after operating a Ford dealership and fuel delivery business. Pioneered the transition to construction through Behlen building products.
Dave Clausen
Former Owner
Joined the family business at 17, became owner after Pete's retirement in 1993, and led the company until 2019 while expanding services and capabilities.
Pat Newton
Co-Owner
Began working with Pete in 1979, became co-owner in 1981, and continues leading the company with Autumn Clausen after Dave's retirement in 2019.
Autumn Clausen
Project Manager
Joined full-time in 2008 after working summers with her father. Became co-owner in 2019, bringing modern project management expertise to the third-generation company.
Questions
What types of construction projects does Clausen and Sons specialize in?
We specialize in commercial, industrial, and agricultural buildings including government facilities, schools, healthcare centers, and retail spaces.
What areas does Clausen and Sons serve?
Our primary service areas include Montana, with projects extending into North Dakota, Wyoming, and Idaho.
How does Clausen and Sons ensure project quality and safety?
We maintain a 0.71 Workers Compensation Modification Factor and implement strict quality control through self-performance of critical tasks and OSHA-compliant safety protocols.
Can Clausen and Sons handle complex construction projects?
Yes, our experience with design-build processes and construction management enables us to manage complex projects from planning through completion.