Business Details
47 Years
experience
Trusted Plumbing & Construction Services in Bozeman, MT
Founded in 1979 by Ken Williams Plumbing & Heating Plumbing, Civil Construction, Engineering as a one-man plumbing operation, our company has grown into the Northwest's largest plumbing and civil contractor while maintaining our core values of quality service and relationship-building. With over 350 employees and expertise in plumbing, civil construction, HVAC, and engineering, we deliver comprehensive solutions for commercial, industrial, and residential projects. Our commitment to innovation is demonstrated through cutting-edge technologies like BIM/VDC software and Trimble TX6 3D laser scanning, the only one of its kind in Montana. Recognized with multiple Gallatin's Greatest Awards, including Best Plumber and Best Heating & Cooling Service, we combine technical excellence with community stewardship, having raised $30,000 for the Gallatin Valley Food Bank through our annual golf tournament. Our safety record exceeds industry standards by 60%, and we maintain $100 million bonding capacity and $15 million insurance coverage to ensure project reliability. From our early days as Williams Plumbing & Heating Plumbing, Civil Construction, Engineering Plumbing to our current status as a vertically integrated engineering and construction leader, we've completed over $550 million in projects while staying true to our founding principle: 'Catch people doing things right.' Our merger with Harveys in 2020 expanded our capabilities across Montana and North Dakota, where we now serve clients from offices in Bozeman, Big Sky, Billings, Missoula, Great Falls, and Williston.Through economic challenges like the Great Recession and industry transformations, our focus remains on delivering value through preventative maintenance programs, custom fabrication, and sustainable solutions like geothermal systems. As we approach our fifth decade, our investment in workforce development continues through competitive wages, career advancement opportunities, and a people-first culture that has made us one of Montana's top job creators.
Services
Commercial Plumbing
Civil Construction
HVAC Services
Preventative Maintenance
3D Laser Scanning
Custom Fabrication
Residential Repairs
Engineering Solutions
BIM Coordination
Utility Upgrades
Details
- Year established: 1979
Highlights and features
- We've completed $550 million in mechanical and civil projects since 1979
- Our safety incident rate is 60% below industry average
- Bonded up to $100 million with $15 million insurance coverage
- We employ 350+ skilled professionals across multiple states
- Recognized with Gallatin's Greatest Awards for plumbing excellence
What people say
Award-winning service
Safety focused
Community engaged
Technologically advanced
Experienced team
Services
Commercial Plumbing
Our commercial plumbing solutions deliver reliable water delivery and waste management systems for large-scale projects. We design and install code-compliant systems that prevent sanitation risks while optimizing efficiency. Our expertise reduces system complexity and installation costs for buildings of all sizes.
Civil Construction
We handle complete civil construction projects including utility upgrades, site balancing, and infrastructure development. Our $100 million bonding capacity supports large-scale projects like wastewater treatment plants and transportation facilities. With 40+ years of experience, we've built over $550 million in mechanical and civil projects across multiple states.
HVAC Services
Our HVAC solutions combine comfort and efficiency through custom-designed heating and cooling systems. We specialize in ductless systems, snow melt applications, and commercial HVAC installations. Our preventative maintenance programs ensure long-term system performance for residential and commercial clients.
3D Laser Scanning
We utilize Trimble TX6 3D laser scanning technology for precise as-built documentation and project coordination. This equipment captures 500,000 data points per second with 120-meter range, creating accurate digital models that reduce errors and improve construction efficiency across Montana.
Preventative Maintenance
Our preventative maintenance programs extend equipment lifespan and reduce emergency repairs. We offer customized service plans for plumbing, HVAC, and mechanical systems with scheduled inspections and timely interventions to maintain optimal system performance for commercial and residential clients.
People
Ken Williams
Chairman of the Board
Founder of Williams Plumbing & Heating Plumbing, Civil Construction, Engineering Plumbing in 1979, Ken established the company's core values of quality service and relationship-building that continue to guide our growth and operations today.
Quin Williams
Chief Executive Officer
As CEO, Quin leads our strategic growth while maintaining the family-owned business values established by founder Ken Williams Plumbing & Heating Plumbing, Civil Construction, Engineering, focusing on technological innovation and expanded service capabilities.
Kevin Scott
Executive Vice President
Kevin oversees key operations and project execution, bringing decades of construction industry experience to ensure our technical excellence and client satisfaction standards remain industry-leading.
Josh Montanye
Executive Vice President
Josh manages our engineering and design divisions, specializing in integrating advanced technologies like BIM/VDC software to improve project coordination and construction efficiency.
John Hartsog
Chief Financial Officer
John directs our financial operations with a focus on sustainable growth, maintaining the company's strong financial position that supports $100 million bonding capacity and ongoing technology investments.
Questions
What services does Williams Plumbing & Heating Plumbing, Civil Construction, Engineering offer?
We provide plumbing, civil construction, HVAC, engineering, and preventative maintenance services for commercial, industrial, and residential projects across Montana and North Dakota.
How long has Williams Plumbing & Heating Plumbing, Civil Construction, Engineering been in business?
Since 1979, we've grown from a one-person plumbing company to the Northwest's largest plumbing and civil contractor with over $550 million in completed projects.
What areas do you serve?
We operate across Montana with offices in Bozeman, Big Sky, Billings, Missoula, and Great Falls, plus projects in North Dakota and Williston.
What makes Williams Plumbing & Heating Plumbing, Civil Construction, Engineering different from competitors?
Our vertical integration combines design and construction under one roof, while our technology investments include Montana's only Trimble TX6 3D laser scanner and advanced BIM/VDC software.
Are your technicians certified?
Our 350+ employees include certified professionals in plumbing, HVAC, and construction with ongoing training programs to maintain industry-leading expertise.
Do you handle emergency repairs?
While we don't offer 24/7 emergency services, we provide prompt response for urgent repair needs through our regular service channels.
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