Water Conditioning Equipment contractors in Washington
Water conditioning contractors install and service water softeners, filters, and other treatment equipment. Washington currently lists 55 Water Conditioning Equipment contractors registered statewide.
Absolute Water Treatment LLC
Water Conditioning Equipment · Lacey, WA
License #ABSOLWT901B5 · $15,000 bond
Aquacare Environment INC
Water Conditioning Equipment · Bellingham, WA
License #AQUACEI914JB · $15,000 bond
Ch2o INC
Water Conditioning Equipment · Tumwater, WA
License #CH2OII*918ML · $15,000 bond
Chem-Rite INC
Water Conditioning Equipment · Spokane, WA
License #CHEMRI*762OZ · $15,000 bond
Clean Water Specialists INC
Water Conditioning Equipment · Pasco, WA
License #CLEANWS024P3 · $15,000 bond
Clearwater Services INC
Water Conditioning Equipment · Akron, WA
License #CLEARSI807OA · $6,000 bond
Columbia Technical - Water LLC
Water Conditioning Equipment · Woodland, WA
License #COLUMTW816O4 · $6,000 bond
Culligan
Water Conditioning Equipment · Kennewick, WA
License #CULLI**077RA · $15,000 bond
Custom Water Solutions INC
Water Conditioning Equipment · Chehalis, WA
License #CUSTOWS016KM · $15,000 bond
Flint Services
Water Conditioning Equipment · Rathdrum, WA
License #FLINTS*866JA · $6,000 bond
Hoffman Quality Water LLC
Water Conditioning Equipment · Walla Walla, WA
License #HOFFMQW788OZ · $15,000 bond
Meadow Lake Water Treatmnt LLC
Water Conditioning Equipment · Stanwood, WA
License #MEADOLW810L5 · $15,000 bond
Northwest Water Treatment INC
Water Conditioning Equipment · Lacey, WA
License #NORTHWT994OK · $15,000 bond
Oceans Design INC
Water Conditioning Equipment · Colorado Springs, WA
License #OCEANDI754OE · $15,000 bond
Ovivo USA LLC
Water Conditioning Equipment · Salt Lake City, WA
License #OVIVOUL887PU · $15,000 bond
Pacific Coast Carbon LLC
Water Conditioning Equipment · Ridgefield, WA
License #PACIFCC834RM · $15,000 bond
Rainbow Water Company
Water Conditioning Equipment · Rochester, WA
License #RAINBWC742MH · $15,000 bond
United Water INC
Water Conditioning Equipment · Vancouver, WA
License #UNITEWI790JO · $6,000 bond
United Water Services INC
Water Conditioning Equipment · Vancouver, WA
License #UNITEWS788P8 · $15,000 bond
WM H Reilly & CO INC
Water Conditioning Equipment · Portland, WA
License #WMHREHR834OQ · $15,000 bond
Washington Pure Water Products
Water Conditioning Equipment · Centralia, WA
License #WASHIPW803QF · $15,000 bond
Water & Air Works
Water Conditioning Equipment · Vancouver, WA
License #WATERAW870KW · $15,000 bond
Cities with Water Conditioning Equipment contractors
Built from Washington State L&I public records, updated Aug 13, 2026. No star ratings or reviews — verification only.