Companies with Certified Testers & Device Installers

Please note that Peninsula Light Company does not promote or recommend one company over another.

#1 Veteran Backflow

Ace Backflow Only

Affordable WA Backflow Testing

AJ2 Backflow Assembly Testing

Backflows Northwest

Backflows Only, LLC

BAT Lady

Certified Backflow Testing

Cross Connection Services

DM Backflow Testing, LLC

Gig Harbor Backflow

Lane’s Quality Service

Olympic Landscape

Patriot Fire Protections, Inc

For more information on cross connection control and backflow prevention please visit the Washington State Department of Health web page.