Business Details
50+ Years
experience
Emergency
services
Expert Industrial Construction Services in Deer Park, WA
Since 1968, Knight Construction & Supply has established itself as a leader in heavy industrial and hydroelectric construction and maintenance. Founded by Jim and Fern Knight in Deer Park, WA, our family-owned business combines decades of hands-on experience with a commitment to safety and efficiency. We specialize in tackling complex projects for government agencies and private industrial clients across the western United States, including the U.S. Army Corps of Engineers, Bureau of Reclamation, and public utility districts. Our team of skilled craftsmen, including NCCCO-certified crane operators and AWS-certified welders, delivers high-quality results using state-of-the-art equipment and in-house engineering expertise.With a track record of completing projects ahead of schedule and without litigation, we prioritize long-term relationships through integrity, transparency, and a relentless focus on client satisfaction. Our 50+ years of experience, combined with a fleet of owned equipment and a 25,000 sq ft fabrication shop, enable us to handle even the most challenging projects with precision and reliability.
Services
Hydroelectric Services
Mine Maintenance
Plant Maintenance
Fire Protection
Crane Modernization
Specialty Fabrication
Details
- Year established: 1968
Highlights and features
- We offer 50+ years of experience in hydroelectric and industrial construction.
- Our family-owned business prioritizes safety, efficiency, and client relationships.
- We self-perform work with skilled craftsmen and owned equipment.
- Our team includes NCCCO-certified crane operators and AWS-certified welders.
- We guarantee timely project completion with zero litigation history.
Associations and certifications
- AWS D1.1
- AWS D1.5
- ASME Sect. IX
- NCCCO
What people say
TOP-NOTCH contractor
4 MONTHS AHEAD OF SCHEDULE
Professional and knowledgeable
Innovative solutions
Excellent performance
Services
Hydroelectric Services
Knight Construction & Supply delivers comprehensive hydroelectric dam construction and repair services. Our expertise includes gate replacements, crane modernization, and fire suppression systems for U.S. Army Corps of Engineers and Bureau of Reclamation projects. With 35+ years of experience on western U.S. river systems, we combine specialized welding certifications and in-house engineering to complete complex upgrades ahead of schedule while maintaining safety and compliance.
Mine Maintenance
We provide MSHA-certified mine maintenance crews for above- and below-ground operations. Our services include equipment installation, environmental remediation, and emergency outage support using NCCCO-certified cranes and AWS-certified welders. With 10+ years of experience, we handle both planned and urgent projects in challenging environments, ensuring safety and operational continuity for mining clients.
Crane Modernization
Our crane modernization services include design, manufacturing, and inspection for hydroelectric and industrial clients. We specialize in upgrading intake gate cranes, powerhouse cranes, and custom hoists up to 600-ton capacity. Using ASME and CMAA standards, we deliver cost-effective solutions that enhance safety and efficiency while offering load beam rentals for crane testing and commissioning.
Fire Protection
We design and install fire suppression systems for hydroelectric facilities, including CO2, fine water mist, and deluge sprinkler systems. Compliant with NFPA standards, our systems protect generators, transformers, and oil storage areas. We integrate new systems with existing infrastructure and provide commissioning services to ensure code compliance and operational reliability.
Specialty Fabrication
Our specialty fabrication services include structural steel, stainless steel, and aluminum welding for industrial and hydroelectric projects. With a 25,000 sq ft shop and AWS-certified welders, we handle field and shop fabrication for hydraulic structures, penstock pipes, and turbine platforms. Our team executes complex projects requiring fracture-critical and aluminum welding expertise.
Questions
What services does Knight Const. & Supply offer?
We specialize in hydroelectric dam construction, mine maintenance, plant maintenance, fire protection systems, crane modernization, and specialty fabrication for industrial clients.
How experienced are you in hydroelectric projects?
We have completed hundreds of hydroelectric dam projects since 1986, including work for the U.S. Army Corps of Engineers and Bureau of Reclamation.
Do you handle emergency repair projects?
Yes, we provide 24/7 emergency outage crews and have successfully completed urgent repairs on critical infrastructure.
What areas do you serve?
We operate primarily across the western United States, focusing on river systems like the Columbia, Snake, and Missouri Rivers.
Reviews (2)
Buzzkilljrjr
Jun 05, 2022
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Me and my family have know that family for years, amazing people honest and hardworking.you couldn't ask for a better company, very few great ones like this left.
Oregon Marine Construction
May 28, 2018
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The best place to go for all your construction and marine construction needs. They also have a wonderful staff of people to help you through your project!
