#1Cowlitz Clean Sweep Inc
Based in Longview, WA
Hazardous Waste Disposal Companies in Cowlitz County, WA
The top-ranked hazardous waste companies serving Cowlitz County, WA are Cowlitz Clean Sweep Inc, Jammies Environmental Inc and Lanxess Corporation Kalama Site. We list 14 hazardous waste companies serving Cowlitz County, WA. 14 of the providers shown match an active record from U.S. EPA, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Hazardous Waste Disposal Companies serving Cowlitz County, WA. 14 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked hazardous waste companies for Cowlitz County
#2Jammies Environmental Inc
Based in Longview, WA#3Lanxess Corporation Kalama Site
Based in Kalama, WA#4NW Marine Transport Inc Winlock
Serves this area from Winlock, WA (23 mi)#5Dynes Trucking LLC
Serves this area from Felida, WA (34 mi)#6Round II Environmental Consulting
Serves this area from Five Corners, WA (35 mi)#7Leichner Brothers Landfill
Serves this area from Five Corners, WA (35 mi)#8Dietrich Trucking LLC
Serves this area from WA#9US Doe Bpa Ross Complex
Serves this area from Vancouver, WA (37 mi)#10Tidewater Environmental Services Inc
Serves this area from Vancouver, WA (38 mi)
4 more providers serving this area
- Victory Trucking LLC, Vancouver, WA (38 mi)
- Olympic Vancouver Delivery Facility, Vancouver, WA (39 mi)
- Emerald Services Inc Vancouver, Vancouver, WA (39 mi)
- Amen Acquisitions LLC, Camas, WA (43 mi)
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Frequently asked questions
How many hazardous waste companies serve Cowlitz County?
We list 14 hazardous waste companies serving Cowlitz County, WA: 3 based there and 11 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which hazardous waste companies serve Cowlitz County?
The top-ranked hazardous waste companies serving Cowlitz County, WA are Cowlitz Clean Sweep Inc, Jammies Environmental Inc, Lanxess Corporation Kalama Site, NW Marine Transport Inc Winlock and Dynes Trucking LLC. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Cowlitz County are verified against official records?
10 of the top 10 match an active official record: Cowlitz Clean Sweep Inc (U.S. EPA), Jammies Environmental Inc (U.S. EPA), Lanxess Corporation Kalama Site (U.S. EPA), NW Marine Transport Inc Winlock (U.S. EPA) and Dynes Trucking LLC (U.S. EPA), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What is the difference between a transporter and a TSDF?
A transporter moves hazardous waste under an EPA ID; a TSDF is a permitted facility that treats, stores or disposes of it. Many providers do both.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Cities in Cowlitz County
Communities served
Kelso, Woodland, Longview Heights, Lexington, Kalama, Castle Rock, Beacon Hill, Ryderwood, Cougar