Certified Radon Mitigators in Washington

Aspect Consulting, a Geosyntec Company

Nathan Dickey — Seattle, WA

AEI Consultants

Ian R Carl — Lynnwood, WA

Surveys, Inc.

Rich Davis — Renton, WA

PBS Engineering and Environmental

Katie King — Mount Vernon, WA

Environmental Consultants LLC

JOHN E GRAVES — Spokane, WA

Gold Seal Plumbing

Shawn Schiffelbein — Spokane Valley, WA

ECI

Kyle A Spencer — Tacoma, WA

Source & Summit Home Services

Matthew Sewell — Spokane, WA

Cert #115082-RMS

Partner Engineering and Science, Inc.

Caden J Munce — Vancouver, WA

Advanced Radon Technologies, Inc.

David M. Gerard — Spokane, WA

Over 30 years experience designing, testing and installing radon mitigation systems in homes, apartments and commercial buildings from Western Montana to the Pacific Ocean. Guaranteed to below 4.0 picocuries, or we will fix it at no additional cost. A call to Advanced Radon Technologies is the only call you need to make if you need sensible advice on radon, without scary sales tactics.

Cert #101005-RMS · Expires 2028-03-31

Rimkus

Labrina Estelle Winfrey — Spokane, WA

CBRE

Krista Butler — Seattle, WA

Fulcrum Environmental Consulting, Inc.

Ryan K Mathews — Spokane, WA

TC Contracting

Tom Chartrand — Glenwood, WA

JustRadon

Joshua Cowden — Vancouver, WA

CBEC, LLC

Yancy Meyer — Waitsburg, WA

EHS-International

Stacey Hanson — Seattle, WA

EHS International

Reese Myers — Seattle, WA

Sayed Abbas Hussaini — , WA

Goldseal Mechanical

Shawn E Thornburg — Greenacres, WA

Four Walls, Inc.

Trina McElroy — Ridgefield, WA

ORIONES Inc

DONNA J. MCNEAL — Federal Way, WA