Certified tank firms — Washington
208 firms from the public WA Ecology UST program list (imported 2026-10-24). Inclusion is not an endorsement.
Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring.
Cities with listed firms
- Seattle (31)
- Spokane (14)
- Portland (11)
- Tacoma (7)
- Bellingham (5)
- Federal Way (5)
- Redmond (5)
- Yakima (5)
- Bellevue (4)
- Issaquah (4)
- Kennewick (4)
- Vancouver (4)
- Auburn (3)
- Kent (3)
- Lakewood (3)
- Lynnwood (3)
- Marysville (3)
- Olympia (3)
- Puyallup (3)
- Spokane Valley (3)
- Woodinville (3)
- Beaverton (2)
- Lake Oswego (2)
- Richland (2)
- San Diego (2)
- Spanaway (2)
- Sumner (2)
- Wilsonville (2)
- Airway Heights (1)
- Anaheim (1)
- Battle Ground (1)
- Bend (1)
- Billings (1)
- Blackfoot (1)
- Bothell (1)
- Burien (1)
- Burlington (1)
- Canby (1)
- Chino (1)
- Coeur D’Alene (1)
- Dallas (1)
- Del Mar (1)
- Draper (1)
- Edgewood (1)
- Edmonds (1)
- Eugene (1)
- Everett (1)
- Fife (1)
- Ft Collins (1)
- Gig Harbor (1)
- Gladstone (1)
- Grantsville (1)
- Hillsboro (1)
- Hood River (1)
- Kelso (1)
- Kenmore (1)
- Kirkland (1)
- Lacey (1)
- Lake Forest Park (1)
- Lake Tapps (1)
- Lodi (1)
- Longview (1)
- Lynwood (1)
- Medical Lake (1)
- Mill Creek (1)
- Monroe (1)
- Mountlake Terrace (1)
- Mukilteo (1)
- North Bend (1)
- North Kansas City (1)
- Pasco (1)
- Port Townsend (1)
- Poulsbo (1)
- Pullman (1)
- Rancho Cucamonga (1)
- Rathdrum (1)
- Renton (1)
- Salem (1)
- Sammamish (1)
- Sedro Woolley (1)
- Selah (1)
- Sherwood (1)
- Silverton (1)
- Snohomish (1)
- Tenino (1)
- Tucson (1)
- Twisp (1)
- Vaughn (1)
- Waitsburg (1)
- Walla Walla (1)
- Wenatchee (1)
- West Linn (1)
- Westport (1)
- Whittier (1)
- Wickenburg (1)
Listed firms
- 3 Kings Environmental
- 4C's Environmental Inc.
- Able Clean-Up Technologies
- Action Oil Tank Removal LLC
- Adapt Engineering, Inc.
- ADESA LLC
- Advanced GeoEnvironmental Inc
- Advanced Remediation Technologies
- Aerotech Environmental Solutions, Inc.
- ALL WEST Testing & Engineering
- ALL4 LLC
- Alpha Environmental Services
- American Distributing
- ANC Vehicle Wash & Fuel System
- Anderson Environmental Contracting
- Antea Group
- ARCADIS
- Associated Environmental Group, LLC
- Atlas Geosciences NW
- BAT & Coatings LLC
- BB&A Environmental
- Blue Mt. Environmental
- Blue Sage Environmental Inc.
- Bluestone Environmental NW
- Brumfield Construction, Inc.
- Budget Tank Removal & Environmental Services, LLC
- Budinger & Associates
- Byrnes Oil
- Cairone Enterprises, LLC
- Cardno, Inc.
- Central Service Inc.
- CGRS
- Cherokee Construction Services LLC
- Clearwater Environmental Services, Inc
- Coeur d’Alene Service Station Equip
- Coffman Engineers, Inc.
- COR Energy Services, Inc.
- Corrosion Engineering Consultants
- Corrosion Mitigation LLC
- Corrosion Solutions Inc
- Corrpro Companies Inc.
- Crua LLC
- David Earl King
- DH Environmental Inc
- DH Environmental Inc
- Diane's Tank Removal Services LLC
- Dickson Company
- DLH Environmental Consulting
- EA Engineering, Science, and Technology, Inc.
- Eco Compliance Corporation
- Eco-Tec, Inc.
- EcoCon, Inc.
- EHS International, Inc.
- EnCo Environmental Corporation
- Engineering/Remediation Resources Group, Inc. (ERRG)
- Environmental Associates Inc.
- Environmental Partners, Inc
- Environmental Technologies Group, Inc.
- Enviroprobe NW LLC
- EnviroScience
- Envitech, LLC
- ESE Corporation
- Evergreen Environmental Services Inc.
- EVREN Northwest Inc
- Farallon Consulting, LLC
- Farwest Corrosion Control
- Filco Company Inc.
- Four Corners Petroleum, LLC
- Fuel Tank Installation Co. Inc.
- FuelCare
- Fulcrum Environmental Consulting
- Fulcrum Environmental Consulting
- G-Logics, Inc.
- Galloway Environmental, Inc.
- Galloway Environmental, Inc.
- Gator Foaming Systems
- GeoConsulting Inc.
- GeoEngineers, Inc.
- Geosyntec Consultants Inc.
- GeoTest Services Inc.
- GHD Services Inc.
- Glacier Environmental Services, Inc.
- Global Diving & Salvage, Inc.
- GN Northern Inc
- Granite Petroleum
- Greylock Consulting LLC
- Hahn and Associates, Inc
- Hart Crowser
- Hayden Petroleum Services LLC
- Holt Services Inc.
- Intermech, Inc.
- IO Environmental and Infrastructure
- J.P. Francis & Associates, Inc.
- J2Environmental, LLC
- Joe Hall Construction
- Jones Covey Group Inc.
- K&S Environmental Inc
- Kane Environmental, Inc
- Kee Environmental
- Ken Leingang Excavating, Inc.
- Key Engineering
- Kinder Petroleum Environmental Compliance
- Krazan and Assoc, Inc.
- Krazan and Assoc, Inc.
- Krazan and Assoc, Inc.
- L & R Corrosion Services
- Landau Associates
- Langseth Environmental LLC
- Langseth Environmental Services Inc.
- Leak Detection Technologies
- Left Coast Services LLC
- LeMesnager Engineering Inc
- Lombardini Geological Services LLC
- M&M Cathodic Protection Services, Inc.
- Marine Vacuum Service
- Martin S. Burck Associates Inc.
- Mascott Equipment Co.
- Mascott Equipment Co.
- Mascott Equipment Co.
- Materials Testing & Consulting, Inc.
- Materials Testing & Consulting, Inc.
- Maul Foster & Alongi, Inc.
- Maul Foster & Alongi, Inc.
- Maul Foster & Alongi, Inc.
- Montrose Environmental
- MTM Services / Cathodic Solutions
- Northstar Environmental Remediation
- Northwest Corrosion Engineering
- Northwest Environmental Solutions
- Northwest Petroleum Equipment
- Northwest Tank & Environmental Services
- Norton Corrosion Ltd
- Now Environmental
- NRC Environmental Services
- Nwestco
- NWTLI
- O'Neill Service Group
- OCCU-TEC Inc.
- Osprey Corrosion Engineering, LLC
- Pacific Crest Environmental
- Pacific Environmental Services Company
- Pacific Environmental Services Company
- Pacific Northern Environmental dba Cowlitz Clean Sweep
- Patriot Environmental
- Peak Environmental LL
- PETCO Inc.
- Petro Mechanical
- Petro Works LLC
- Petroleum Compliance Services LLC
- Petroleum Technology and Testing
Always re-check certification on the official Washington source before hiring.
Connect with a listed firm
Directory disclosure: Oil Tank Directory is a public certification lookup and comparison site. We are not a contractor, and we do not perform tank removal, testing, or cleanup. We list firms that appear on publicly published state certification or service-provider lists. Always verify a firm's current license or certification with the issuing state agency before hiring.