#1Circle R Oil Co
Based in Walnut, CA
Hazardous Waste Disposal Companies in Walnut, CA
The top-ranked hazardous waste companies serving Walnut, CA are Circle R Oil Co, Quality Home Insulation and Trico Drum Co. We list 2571 hazardous waste companies serving Walnut, CA. 30 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 Walnut, CA (Los Angeles County). 2571 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 Walnut
#2Quality Home Insulation
Serves this area from Industry, CA (2 mi)#3Trico Drum Co
Serves this area from CA#4Medmentum LLC
Serves this area from Pomona, CA (2 mi)#5Qhi Inc
Serves this area from Industry, CA (2 mi)#6Little Bee Services Inc
Serves this area from Diamond Bar, CA (3 mi)#7Simon Ochoa
Serves this area from West Covina, CA (3 mi)#8Nwo Trucking
Serves this area from Covina, CA (3 mi)#9Gamboa Trucking
Serves this area from West Covina, CA (3 mi)#10Over Roads Junk LLC DBA Junk King
Serves this area from Pomona, CA (3 mi)
20 more providers serving this area
- S&g Oil & Vacum Inc, Industry, CA (3 mi)
- C And L Richardson Transport, Rowland Heights, CA (3 mi)
- Roper Ed Trucking, Covina, CA (3 mi)
- Shea's Trucking, West Covina, CA (3 mi)
- Psc Environmental Services Of Pomona LP, Pomona, CA (3 mi)
- Worldwide Recovery System Inc, Pomona, CA (3 mi)
- Worldwide Recovery Systems, Inc, Pomona, CA (3 mi)
- Commercial Ind Co, CA
- Hazardous Technologies Inc, Pomona, CA (3 mi)
- Jim's Vacuum Trk Svc, Diamond Bar, CA (4 mi)
- Hernandez Transport, Valinda, CA (4 mi)
- Golden Oil, West Covina, CA (4 mi)
- Espinosa M Trucking, West Covina, CA (4 mi)
- Alvarez Trucking, Covina, CA (4 mi)
- Fueltec Inc, Pomona, CA (4 mi)
- Medina Trucking, Pomona, CA (4 mi)
- Recycle It Environmental Services Inc, West Covina, CA (4 mi)
- Wright William M, Covina, CA (4 mi)
- Clover Consolidated Industries LLC, Covina, CA (4 mi)
- Duane Ulrich DBA Duanes Ewp Rtl, Covina, CA (4 mi)
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Frequently asked questions
How many hazardous waste companies serve Walnut?
We list 2571 hazardous waste companies serving Walnut, CA: 1 based there and 2570 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 Walnut?
The top-ranked hazardous waste companies serving Walnut, CA are Circle R Oil Co, Quality Home Insulation, Trico Drum Co, Medmentum LLC and Qhi Inc. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Walnut are verified against official records?
10 of the top 10 match an active official record: Circle R Oil Co (U.S. EPA), Quality Home Insulation (U.S. EPA), Trico Drum Co (U.S. EPA), Medmentum LLC (U.S. EPA) and Qhi Inc (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 .