#1Ase Environmental LLC
Based in Rockford, IL
Hazardous Waste Disposal Companies in Winnebago County, IL
The top-ranked hazardous waste companies serving Winnebago County, IL are Ase Environmental LLC, Clean Harbors Pecatonica LLC and Covanta Environmental Solutions LLC. We list 13 hazardous waste companies serving Winnebago County, IL. 13 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 Winnebago County, IL. 13 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 Winnebago County
#2Clean Harbors Pecatonica LLC
Based in IL#3Covanta Environmental Solutions LLC
Based in Rockford, IL#4Illini Environmental LLC
Based in Rockford, IL#5Land Star Inway
Based in Rockford, IL#6Rock River Env Solutions LLC
Based in Rockford, IL#7Standard Forwarding
Based in Rockford, IL#8US Lubricants
Based in Rockford, IL#9Miller Estate Property
Serves this area from Beloit, WI (14 mi)#10Empire Limestone Inc
Serves this area from WI
3 more providers serving this area
- Wi Army Natl Guard Janesville, Janesville, WI (24 mi)
- Lanair Products LLC, Janesville, WI (25 mi)
- Lamp Recyclers Inc, Janesville, WI (26 mi)
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Frequently asked questions
How many hazardous waste companies serve Winnebago County?
We list 13 hazardous waste companies serving Winnebago County, IL: 8 based there and 5 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 Winnebago County?
The top-ranked hazardous waste companies serving Winnebago County, IL are Ase Environmental LLC, Clean Harbors Pecatonica LLC, Covanta Environmental Solutions LLC, Illini Environmental LLC and Land Star Inway. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Winnebago County are verified against official records?
10 of the top 10 match an active official record: Ase Environmental LLC (U.S. EPA), Clean Harbors Pecatonica LLC (U.S. EPA), Covanta Environmental Solutions LLC (U.S. EPA), Illini Environmental LLC (U.S. EPA) and Land Star Inway (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 Winnebago County
Communities served
Loves Park, Machesney Park, Roscoe, South Beloit, Rockton, Winnebago, Cherry Valley, Lake Summerset, Pecatonica, Westlake Village, Durand, New Milford