#1Ase Contracting Inc
Based in El Cajon, CA
Hazardous Waste Disposal Companies in El Cajon, CA
The top-ranked hazardous waste companies serving El Cajon, CA are Ase Contracting Inc, Eastern C&o (sdg&e) and Efr Environmental Services Inc. We list 952 hazardous waste companies serving El Cajon, 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 El Cajon, CA (San Diego County). 952 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 El Cajon
#2Eastern C&o (sdg&e)
Based in El Cajon, CA#3Efr Environmental Services Inc
Based in El Cajon, CA#4El Cajon Craft
Based in El Cajon, CA#5Environmental Remedies LLC
Based in El Cajon, CA#6Gen Tec Solutions Inc
Based in El Cajon, CA#7Golden State Hazardous Waste Services
Based in El Cajon, CA#8It Corp San Diego Svcs
Based in El Cajon, CA#9K Whillock Services Inc
Based in El Cajon, CA#10Medical Enviromental Technologies
Based in El Cajon, CA
20 more providers serving this area
- Medical Environmental Technologies LLC, El Cajon, CA
- Modern Septic Serv, El Cajon, CA
- Pacific Trans Environmental Services Inc, El Cajon, CA
- Papac Corp, El Cajon, CA
- Papac Environmental Inc, El Cajon, CA
- Ptes Sa De Cv, El Cajon, CA
- Radius Aerospace San Diego Inc, El Cajon, CA
- Safety Kleen Systems Inc, El Cajon, CA
- Vls San Diego LLC, El Cajon, CA
- Vls San Diego, LLC, El Cajon, CA
- Whillock Contracting Inc, El Cajon, CA
- Whillock Contracting Inc, El Cajon, CA
- DBA Bobs Trucking, Bostonia, CA (1 mi)
- Ded Corp, Bostonia, CA (1 mi)
- Carnevales Construction Mngt, Santee, CA (2 mi)
- Lamb Fuels Inc, Santee, CA (2 mi)
- San Diego Abatement Services, Inc DBA San Diego Painting, Santee, CA (2 mi)
- Optimal Solutions Inc, Santee, CA (3 mi)
- Clancy Contracting Services Inc, Santee, CA (3 mi)
- Superior Abatement Services Inc, Santee, CA (3 mi)
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Frequently asked questions
How many hazardous waste companies serve El Cajon?
We list 952 hazardous waste companies serving El Cajon, CA: 22 based there and 930 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 El Cajon?
The top-ranked hazardous waste companies serving El Cajon, CA are Ase Contracting Inc, Eastern C&o (sdg&e), Efr Environmental Services Inc, El Cajon Craft and Environmental Remedies LLC. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving El Cajon are verified against official records?
10 of the top 10 match an active official record: Ase Contracting Inc (U.S. EPA), Eastern C&o (sdg&e) (U.S. EPA), Efr Environmental Services Inc (U.S. EPA), El Cajon Craft (U.S. EPA) and Environmental Remedies 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 .