The right partner can make all the difference

Rely on Wm. H. Reilly & Co.
The Northwest’s #1 name in water treatment and wastewater treatment

For over half a century, municipalities and industrial corporations have relied on Wm. H. Reilly & Co. for the highest quality process equipment—and unparalleled customer service—for water treatment and wastewater treatment.

Over the years, we’ve forged solid partnerships with the best manufacturers in the business, as well as top-flight engineers and contractors.

The benefits of an effective partner

By partnering with manufacturers, we’re able to offer the latest innovations in products and technology. And we can recommend the most advantageous solutions, utilizing products and components from various manufacturers.

By partnering with engineers, we assist in the problem-solving process, ensuring solid designs.

By partnering with contractors, we help assure efficient installations.

And, of course, we enable city planners and corporate stewards to benefit from our decades of experience in planning, building, and maintaining water treatment and wastewater treatment systems.

The bottom line: we solve challenges and take care of problems

You’ll find a Reilly Company installation in nearly every major municipality in Oregon, Washington, Alaska and Northern Idaho.