#1Howco Transfer Company
Based in Ellicott City, MD
Hazardous Waste Disposal Companies in Ellicott City, MD
The top-ranked hazardous waste companies serving Ellicott City, MD are Howco Transfer Company, Products Support Inc and Will, Harry M Jr Inc. We list 169 hazardous waste companies serving Ellicott City, MD. 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 Ellicott City, MD (Howard County). 169 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 Ellicott City
#2Products Support Inc
Serves this area from Columbia, MD (3 mi)#3Will, Harry M Jr Inc
Serves this area from Columbia, MD (4 mi)#4Reynolds Hauling Co
Serves this area from Catonsville, MD (5 mi)#5Marcor Inc
Serves this area from Woodlawn, MD (6 mi)#6United Enviromental Services Inc
Serves this area from Randallstown, MD (7 mi)#7Ecology Services, Inc
Serves this area from Columbia, MD (7 mi)#8Marcor Environmental Inc
Serves this area from Elkridge, MD (8 mi)#9American Tank Transport Inc
Serves this area from Elkridge, MD (8 mi)#10Fleetpro, Inc
Serves this area from Arbutus, MD (8 mi)
20 more providers serving this area
- Ebi Services Inc, Arbutus, MD (8 mi)
- E O I Inc, Jessup, MD (8 mi)
- The Simon X Ray Company, Arbutus, MD (8 mi)
- Waste Tron Of Maryland Inc, Arbutus, MD (9 mi)
- Mcdonald, A J Co, Arbutus, MD (9 mi)
- Wright Construction & Septic Service, Eldersburg, MD (9 mi)
- Wright Waste Removal Co Inc, Eldersburg, MD (9 mi)
- D & R Hauling Co, Lansdowne, MD (9 mi)
- Liberty Dam # 41 City Of Baltimore, Eldersburg, MD (9 mi)
- Tli Freight Services LLC, Fulton, MD (10 mi)
- Office Movers Inc, Linthicum, MD (10 mi)
- A&a Environmental Svcs, Linthicum, MD (10 mi)
- Aquatel Industries Inc, Lansdowne, MD (10 mi)
- Baltimore Wrecking Corp, Lansdowne, MD (10 mi)
- Professional Graphics Printing Company, North Laurel, MD (11 mi)
- J & D Company, Linthicum, MD (11 mi)
- King`s Trucking Inc, Maryland City, MD (11 mi)
- Chesapeake Electrical Systems Inc, North Laurel, MD (12 mi)
- Centimark Corp, MD
- Diversified Refuse Service Inc, North Laurel, MD (12 mi)
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Frequently asked questions
How many hazardous waste companies serve Ellicott City?
We list 169 hazardous waste companies serving Ellicott City, MD: 1 based there and 168 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 Ellicott City?
The top-ranked hazardous waste companies serving Ellicott City, MD are Howco Transfer Company, Products Support Inc, Will, Harry M Jr Inc, Reynolds Hauling Co and Marcor Inc. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Ellicott City are verified against official records?
10 of the top 10 match an active official record: Howco Transfer Company (U.S. EPA), Products Support Inc (U.S. EPA), Will, Harry M Jr Inc (U.S. EPA), Reynolds Hauling Co (U.S. EPA) and Marcor 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 .