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Wm. H. Reilly & Company is a leading provider of processes, process equipment, piping, valves, controls and components for Water Treatment, Wastewater Treatment, and Water Reuse and Collection Systems in the Pacific Northwest, and Alaska.

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Where to Find Us

(503) 223-6197
whrco@whreilly.com
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About Us

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About Wm. H. Reilly & Company

Innovative Solutions for Water and Wastewater Treatment in the Pacific Northwest and Alaska

Wm. H. Reilly & Company provides innovative and cost-effective solutions for water and wastewater treatment in the Pacific Northwest and Alaska. We offer process equipment, piping, valves, controls, and components for municipal and industrial applications, representing over 35 top manufacturers. Our history dates back to 1924, with a strong track record of successful installations and partnerships. We cover all aspects of water treatment, from design to maintenance, and have completed numerous high-profile projects in the region.

Why Choose Us?

  • Industry Expertise
  • Quality Partnerships
  • Comprehensive Solutions
  • Regional Focus

Why Choose Us?

Partner With Our Experienced Team
For Top-Quality Water Treatment

Innovative
Technology

We utilize the latest technology and advancements in the water treatment industry to provide innovative solutions that enhance efficiency and effectiveness.

Partner with our experienced team

Experienced
Professionals

Our team consists of highly skilled professionals with extensive experience in the water treatment industry, ensuring top-quality service and expertise.

Partner with our experienced team

Comprehensive
Services

We offer a wide range of services from design and installation to maintenance and support, providing complete solutions for all your water treatment needs.

Partner with our experienced team

Customer
Satisfaction

Customer satisfaction is our top priority. We are dedicated to delivering exceptional service and support to meet and exceed your expectations.

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Affordable
Pricing

We provide high-quality water treatment solutions at competitive prices, ensuring affordability without compromising on performance.

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Eco-Friendly
Solutions

Our solutions are designed with sustainability in mind, utilizing eco-friendly technologies to protect the environment and conserve resources.

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testimonials

Our Testimonials

What Our Clients Are Saying

Process Control Supervisor Wastewater Treatment Plant City of Yakima Yakima, Washington

For more than 13 years, our plant has worked with Wm. H. Reilly & Co., and their professionalism, responsiveness, and knowledge is excellent.

Reilly was very responsive in providing support for a new polymer system that they represented on a challenging new project of ours. They made a number of site visits, and delivered diagnostic and technical support beyond what they were obligated to do.

Reilly provided very strong communication and checked back in frequently to make sure that things were working well.

Over the years, they’ve always given us really good follow-through after the sale and they’re willing to travel here to work things out with us and get everything set up. Their onsite visits and hands-on work really help us out.

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Mike Price

Principal Gray & Osborne, Inc. Seattle, Washington
Wm. H. Reilly & Company has provided manufacturer’s representative services for my wastewater treatment plant design projects for over 20 years, and I have always found the company’s service to be responsive, professional and helpful.
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John P. Wilson, P. E.

Wastewater Superintendent City of Chehalis Chehalis, Washington

Reilly is far better than a lot of other equipment suppliers we deal with. If I have to go to anyone, I trust Reilly.

Their administrative staff deserves special mention. We needed some warranty information from three or four different equipment manufacturers and Reilly was persistent in tracking down that information and getting it to us in a timely manner.

That kind of determination merits a 10 on a 10-point scale.

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Patrick Wiltzius

Project Engineer Gibbs & Olson Longview, Washington

We’ve established a relationship with Reilly over the years on a number of projects, and having that relationship makes it nice. We call them, they know us, and they’re able to pick right up on things.

Their follow-up and responsiveness is very good.

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Tom Gower

Project Manager Gibbs & Olson Olympia, Washington

On a scale of 1 to 10, I’d rate Reilly a 9.

We can always call on them whenever we have issues. When we’re facing a problem, they have many products and technologies to help us with.

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Mike Marshall

Principal Project Manager CH2M Hill Corvallis, Oregon

I’ve had a great working relationship with W. H. Reilly & Company for over 30 years. They provide excellent support and follow-through—from initial design to project start to completion.

Reilly represents a wide range of quality manufacturers and they provide us with knowledgeable advice and information to help us select the right equipment.

Whenever I need assistance, they respond immediately. On a scale of 1-10, I would rate them a 10. They are more than a supplier—they truly care about our success.

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Mike Bracken

Project Manager, Civil Engineer III City of Albany Albany, Oregon

Our experience with W. H. Reilly & Company has been very positive on our recent potable water treatment project and on our current wastewater treatment project. They are very responsive to our needs and concerns. When any project issue arises, they are quick to take action in an effort to solve problems.

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Peter Harr

Principal Engineer Clean Water Services Hillsboro, Oregon

When it comes to presale support, W. H. Reilly & Company is the most responsive firm that I’ve dealt with in my more than 30 years in the industry. They are very timely and thorough getting back to us with meaningful information. Reilly also provides excellent support and troubleshooting. If a problem arises, they step in right away to solve it.

“In addition, Reilly enjoys solid long-term relationships with manufacturers, and as a result owners and engineers benefit from reliable field support from those manufacturers.

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Randy Naef

Supervising Engineer Brown and Caldwell Portland, Oregon

W. H. Reilly & Company does a very good job of making sure we receive reliable and accurate product information for our project designs. They provide excellent support and follow-through during design, bidding and construction.

Reilly consistently demonstrates a high degree of technical knowledge and ability. And they’re very responsive to our inquiries and requests.

It’s been a pleasure dealing with them for the past 20 years. I’d give them the highest rating on trustworthiness and ethics.

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Dave Murray

Senior Associate Brown and Caldwell Seattle, Washington

W. H. Reilly & Company is a very well respected company in the wastewater field in the Pacific Northwest. They represent manufacturers of quality equipment. In my experience they have typically been very responsive and very professional in their service.

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Philip Wolstenholme