High Purity Northwest, Inc. was founded in 1995. We have been offering industrial grade filtration equipment for liquid and gas applications in mills, refineries, power plants, substations, commercial facilities, food processing plants, mining operations, and marine based operations since our inception.

We build lubrication systems, oil purification and filtration systems, hydraulic power units and custom process skids. We offer application driven solutions to contamination problems & have the expertise to assist customers with equipment that will improve reliability of their most important machinery assets.

Partial List of Clients:
U.S. Army Corps of Engineers
Bonneville Power
Puget Sound Energy
Weyerhaeuser
U.S. Coast Guard
Shell Oil
Honeywell
Bangor Naval Submarine Base
Conoco Phillips
Portland General Electric
Boeing
Siemens Power
Seattle City Light
NOAA
King County
Toshiba
Hyundai Heavy Industries
Darigold
U.S. Air Force
Bonneville Dam
WA State Ferries
Foss Maritime
Naval Research Lab
Oregon Freeze Dry
Nippon Paper
Swedish Medical Center
US Navy
Westinghouse Electric Co.
Tacoma PUD
Eugene Water and Electric
Hecla Mining Co.
Kennecott Utah Copper
Alcoa
Virginia Mason Medical Center
Cannon Power
Douglas County PUD
Tesoro
Boise Cascade
Naval Air Warfare Center
Pacific Power
McNary Dam
CH2M Hill
Georgia Pacific Corp.
ARCO
Ingersoll Rand
Snohomish County PUD
University of Washington
BP Exploration
Pacific Corp.
JM Smucker Co.
U.S.B.R. Grand Coulee Dam
American President Lines
Bechtel Hartford
Kiewit Holland America Lines
Naval Undersea Warfare Canter
Wah Chang
Grand River Dam Authority
Alyeska Pipeline
Chelan County PUD
McKinstry Mechanical
N.I.N. Energy
Micron Technology
Harborview Medical Center
Port Townsend Paper
Cooper Industries
Potlatch Corp.
South Energy
Chugach Electric
Valley Medical Center
Power South Energy
Grant County PUD
Lamb-Weston Entergy

High Purity Northwest, Inc.

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High Purity Northwest, Inc.

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