#1Anderson Septic Service
Based in Norwalk, CT
Hazardous Waste Disposal Companies in Norwalk, CT
The top-ranked hazardous waste companies serving Norwalk, CT are Anderson Septic Service, Charkit Chemical Company LLC and Valleries Transportation Service Inc. We list 157 hazardous waste companies serving Norwalk, CT. 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 Norwalk, CT (Western Connecticut Planning Region). 157 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 Norwalk
#2Charkit Chemical Company LLC
Based in Norwalk, CT#3Valleries Transportation Service Inc
Based in Norwalk, CT#4American Environmental Services
Serves this area from Stamford, CT (7 mi)#5Van Ommeren Shipping USA LLC
Serves this area from Stamford, CT (8 mi)#6Nexus Inc
Serves this area from Stamford, CT (8 mi)#7L P M Corp
Serves this area from Fairfield, CT (10 mi)#8Swedish Motor Works
Serves this area from Fairfield, CT (11 mi)#9Swedish Motor Works
Serves this area from Fairfield, CT (11 mi)#10Ctr Industries Inc
Serves this area from Bridgeport, CT (12 mi)
20 more providers serving this area
- Rcm 210, LLC, Greenwich, CT (13 mi)
- Energy Transportation LLC, Bridgeport, WV (13 mi)
- Epifano J A Co, Bridgeport, CT (13 mi)
- I W H Inc, Bridgeport, CT (13 mi)
- Fuel Tank Environmental, Centerport, NY (14 mi)
- Liberty Auto & Electric Co Inc, Bridgeport, CT (14 mi)
- Mansfield Construction Inc, Bridgeport, CT (14 mi)
- Solar Service & Installations, Bayville, NY (15 mi)
- Danbury Carting Co Inc, Redding, CT (15 mi)
- Moore S Inc, Bridgeport, CT (15 mi)
- Merit Metal Finishing Co, Bridgeport, CT (15 mi)
- Mediwaste Inc, Bridgeport, CT (15 mi)
- Sani Pump Septic Tank Serv, Bridgeport, CT (15 mi)
- Coca Cola Bottling Co Of NY, Stratford, CT (15 mi)
- Servac Environmental Inc, Bridgeport, CT (15 mi)
- Tradebe Treatment And Recycling Of Bridgeport LLC, Bridgeport, CT (15 mi)
- Technical Environmental Construction, Stratford, CT (15 mi)
- Boston Green Fuel Co., Inc., Stratford, CT (15 mi)
- Novoli LLC DBA Enviroshield, Stratford, CT (15 mi)
- Herbert Recovery Systems Inc, Redding, CT (16 mi)
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Frequently asked questions
How many hazardous waste companies serve Norwalk?
We list 157 hazardous waste companies serving Norwalk, CT: 3 based there and 154 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 Norwalk?
The top-ranked hazardous waste companies serving Norwalk, CT are Anderson Septic Service, Charkit Chemical Company LLC, Valleries Transportation Service Inc, American Environmental Services and Van Ommeren Shipping USA LLC. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Norwalk are verified against official records?
10 of the top 10 match an active official record: Anderson Septic Service (U.S. EPA), Charkit Chemical Company LLC (U.S. EPA), Valleries Transportation Service Inc (U.S. EPA), American Environmental Services (U.S. EPA) and Van Ommeren Shipping USA 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 .