#1Phillips 66 Ponca City Refinery
Based in OK
Hazardous Waste Disposal Companies in Kay County, OK
The top-ranked hazardous waste companies serving Kay County, OK are Phillips 66 Ponca City Refinery, Sullivans Trucking Co Inc and Hamm & Phillips Service Co. We list 6 hazardous waste companies serving Kay County, OK. 6 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 Kay County, OK. 6 providers, 6 of the top 6 verified against federal or state records. Registry records checked on 2026-11-04.
Top 6 ranked hazardous waste companies for Kay County
| # | Provider | Verified records | Based in | Phone |
|---|---|---|---|---|
| 1 | Phillips 66 Ponca City Refinery | Operating treatment/storage/disposal facility (EPA RCRAInfo)#OKD007233836 | OK | — |
| 2 | Sullivans Trucking Co Inc | Registered hazardous waste transporter (EPA RCRAInfo)#OKR000013748 | OK | — |
| 3 | Hamm & Phillips Service Co | Registered hazardous waste transporter (EPA RCRAInfo)#OKD032937054 | Enid, OK (44 mi) | — |
| 4 | Pdq Printing | Registered hazardous waste transporter (EPA RCRAInfo)#OKR000015008 | Enid, OK (48 mi) | — |
| 5 | Groendyke Transport Inc | Registered hazardous waste transporter (EPA RCRAInfo)#OKD007905748 | Enid, OK (49 mi) | (877) 484-9675 |
| 6 | Aes Certified LLC | Registered hazardous waste transporter (EPA RCRAInfo)#OKR000029256 | OK | — |
#2Sullivans Trucking Co Inc
Based in OK#3Hamm & Phillips Service Co
Serves this area from Enid, OK (44 mi)#4Pdq Printing
Serves this area from Enid, OK (48 mi)#5Groendyke Transport Inc
Serves this area from Enid, OK (49 mi)#6Aes Certified LLC
Serves this area from OK
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Frequently asked questions
How many hazardous waste companies serve Kay County?
We list 6 hazardous waste companies serving Kay County, OK: 2 based there and 4 serving it from nearby. 6 of the top 6 match an active federal or state record, checked on 2026-11-04.
Which hazardous waste companies serve Kay County?
The top-ranked hazardous waste companies serving Kay County, OK are Phillips 66 Ponca City Refinery, Sullivans Trucking Co Inc, Hamm & Phillips Service Co, Pdq Printing and Groendyke Transport Inc. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Kay County are verified against official records?
6 of the top 6 match an active official record: Phillips 66 Ponca City Refinery (U.S. EPA), Sullivans Trucking Co Inc (U.S. EPA), Hamm & Phillips Service Co (U.S. EPA), Pdq Printing (U.S. EPA) and Groendyke Transport Inc (U.S. EPA), and 1 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 .
Communities served
Ponca City, Blackwell, Tonkawa, Newkirk, White Eagle, Kaw City, Tonkawa Tribal Housing, Braman, Kildare, Nardin, Peckham