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Trusted Industrial & Commercial Construction Services in the Northwest
JH Kelly has established itself as a trusted leader in industrial and commercial construction, delivering complex, multi-craft projects with precision and reliability. Our self-performing, multi-trade capabilities enable us to maintain control over project quality while fostering collaboration across disciplines. With decades of collective experience, our team of construction executives and skilled professionals prioritizes innovation, safety, and sustainability in every endeavor. We specialize in mechanical, electrical, and plumbing services, offering 24/7 emergency support to ensure uninterrupted operations for clients. Our expertise spans diverse markets, including industrial sectors like aquaculture, food processing, and renewable energy, as well as commercial projects such as high-rise offices and healthcare facilities. By leveraging proprietary project controls systems and BIM technology, we optimize efficiency and transparency throughout the construction lifecycle.

Our commitment to the triple bottom linepeople, planet, and profitguides our approach to creating high-performance buildings that exceed code requirements and client expectations. Headquartered in Longview, Washington, we serve Washington, Oregon, Idaho, and Montana with a regional workforce of traveling craft workers and managers. Recognized for completing some of the Pacific Northwests most challenging projects, we combine technical expertise with a client-centric philosophy to deliver optimal solutions. From design-assist services to startup and commissioning, JH Kelly remains dedicated to solving unique challenges while upholding the highest standards of integrity and craftsmanship.
Services
Industrial Construction Electrical Services HVAC Systems Plumbing Installation BIM Design 24/7 Emergency Service Structural Steel Process Piping Pre-Engineered Buildings Commissioning
Highlights and features
  • We offer 60+ years of regional construction experience across diverse industries
  • Our 24/7 mechanical and electrical service ensures uninterrupted client operations
  • We utilize proprietary project controls systems for enhanced transparency and efficiency
  • Our team holds specialized expertise in LEED-certified building construction
  • We maintain dedicated in-house fabrication facilities across the Pacific Northwest
Services
Industrial Construction
We deliver comprehensive industrial construction solutions for complex facilities including aquaculture plants, food processing centers, and renewable energy installations. Our self-performing capabilities cover structural steel, process piping, and equipment installation. With decades of experience in heavy industrial markets, we execute projects requiring precise coordination of multiple trades and specialized safety protocols.
Electrical Services
Our electrical division provides full-spectrum services from design through commissioning, including industrial/commercial installation, lighting retrofits, and UL 508 panel shop fabrication. We handle projects ranging from low-voltage systems to complex power distribution networks, with dedicated preventative maintenance programs for sustained operational efficiency in industrial environments.
HVAC Systems
We design and install advanced HVAC systems for commercial buildings, including hydronic/refrigerant systems and sheet metal fabrication. Our LEED-certified expertise delivers energy-efficient solutions for office towers and healthcare facilities, supported by 24/7 emergency service to maintain critical environmental controls in sensitive environments like hospitals and laboratories.
BIM Design
Our BIM/VDC capabilities integrate with proprietary project controls systems to enhance coordination and reduce field conflicts. This technology supports design-build projects through 3D modeling, quantity tracking, and cloud-based documentation, improving accuracy and efficiency across mechanical, electrical, and plumbing disciplines for both new construction and tenant improvement projects.
24/7 Emergency Service
We provide continuous maintenance and emergency response for mechanical, electrical, and plumbing systems across the Pacific Northwest. This service ensures operational continuity for critical facilities through rapid-response teams available 24 hours a day, 7 days a week, with direct contact options for urgent project needs.
People
Mason Evans
President / CEO
Mason Evans leads JH Kelly's strategic direction, leveraging decades of construction industry experience to drive growth while maintaining the company's commitment to quality and client satisfaction.
Robert Harris
Executive VP / Business Development
Robert Harris oversees business growth initiatives, building client relationships across industrial and commercial markets while expanding the company's presence in key sectors.
Tom Lee
Executive VP / COO
Tom Lee manages day-to-day operations, ensuring efficient execution of projects and alignment with company standards for safety, quality, and timely delivery.
Craig Yabui
Executive VP / Legal Counsel
Craig Yabui provides legal oversight and risk management expertise, ensuring compliance with industry regulations while protecting company interests in complex construction projects.
Melissa Bent
EXECUTIVE VP / CFO
Melissa Bent directs financial strategy and management, maintaining fiscal discipline across projects while supporting long-term business development goals.
Questions
What geographic areas does JH Kelly serve?
We serve Washington, Oregon, Idaho, and Montana with regional offices and fabrication facilities strategically located across the Pacific Northwest.
Do you offer emergency maintenance services?
Yes, we provide 24/7 emergency response for HVAC, plumbing, electrical, and refrigeration systems across our service areas.
What industries do you specialize in?
We specialize in industrial markets including aquaculture, food processing, power generation, and renewable energy, as well as commercial sectors like healthcare and office development.
Can you handle complex, multi-trade projects?
Yes, our self-performing, multi-trade capabilities enable us to manage complex projects requiring coordinated mechanical, electrical, and plumbing solutions.
Do you provide design-build services?
Yes, we offer integrated design-build solutions using BIM technology and our in-house engineering expertise to optimize project outcomes.
What safety certifications do you maintain?
We maintain comprehensive safety programs with specialized training for industrial environments, though specific certifications aren't detailed in our public documentation.
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Reviews (3)
George Stup
Dec 22, 2020 Report
Great company to work with, treat thier customers and staff great.safety was a must.quality workmanship. second to none!
James Bolton
Jun 04, 2019 Report
If you need any type of construction from a road to a new house built than this is the place you want to visit and have do the job.
Kelly Pennington
Dec 28, 2015 Report
Your company needs to work on safety in the community. Small towns=speed limits. Driving like a mad man is crap. The company said that they cover safety once a year. Once a year is not enough.next I'm I'm just going to call the police.