Hazardous Waste Disposal Companies in Merrimack, NH
The top-ranked hazardous waste companies serving Merrimack, NH are Cri Transport LLC, Leighton A White Inc and St Joseph Hospital. We list 53 hazardous waste companies serving Merrimack, NH. 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 Merrimack, NH (Hillsborough County). 53 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 Merrimack
- Based in Merrimack, NH
#2Leighton A White Inc
Serves this area from Milford, NH (7 mi)#3St Joseph Hospital
Serves this area from Nashua, NH (7 mi)#4Wildco Pes
Serves this area from Manchester, NH (8 mi)#5D & R Waste Management
Serves this area from Manchester, NH (10 mi)#6Kb Imaging Service Inc
Serves this area from Derry, NH (12 mi)#7Esi Environmental Services Inc
Serves this area from Hooksett, NH (13 mi)#8Encon Environmental Services LLC
Serves this area from Hooksett, NH (15 mi)#9Triumvirate Environmental Merrimack Inc
Serves this area from Lowell, MA (19 mi)#10Mill City Environmental Corporation
Serves this area from Lowell, MA (19 mi)
20 more providers serving this area
- Archstone Auto Body, Tewksbury, MA (21 mi)
- Wl French Excavating Co Inc, Billerica, MA (22 mi)
- Landscapers Depot, Kingston, NH (22 mi)
- Vulcanforms Inc, Harvard, MA (23 mi)
- B & D Associates, Concord, NH (23 mi)
- B & D Associates Inc, Concord, NH (23 mi)
- Youngblood Co. Inc, Haverhill, MA (23 mi)
- The Car Doctors LLC, Concord, NH (24 mi)
- Transformer Service Inc, Concord, NH (25 mi)
- Central Metal Finishing Inc, North Andover, MA (25 mi)
- D&d Equipment Repair Inc., Woburn, MA (30 mi)
- Jared The Galleria Of Jewelry 2445, Burlington, MA (30 mi)
- Murphys Waste Oil Service Inc, Woburn, MA (32 mi)
- Safety Kleen Systems Inc, Salisbury, MA (32 mi)
- Graf Brothers Leasing Inc, Salisbury, MA (33 mi)
- Emporio Motors Inc, Topsfield, MA (33 mi)
- Bullfrog Environmental Solutions LLC, Wakefield, MA (33 mi)
- Burns, Wakefield, MA (33 mi)
- Lighthouse Environmental Solutions LLC, Wakefield, MA (33 mi)
- Graf Bros Leasing Inc, Seabrook, NH (33 mi)
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Frequently asked questions
How many hazardous waste companies serve Merrimack?
We list 53 hazardous waste companies serving Merrimack, NH: 1 based there and 52 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 Merrimack?
The top-ranked hazardous waste companies serving Merrimack, NH are Cri Transport LLC, Leighton A White Inc, St Joseph Hospital, Wildco Pes and D & R Waste Management. The full ranked list, with the official records each provider matched, is on this page.
Which hazardous waste companies serving Merrimack are verified against official records?
10 of the top 10 match an active official record: Cri Transport LLC (U.S. EPA), Leighton A White Inc (U.S. EPA), St Joseph Hospital (U.S. EPA), Wildco Pes (U.S. EPA) and D & R Waste Management (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 .