Harmuth Marine Services LLC (USDOT 4331093)
USDOT 4331093 · Active · Guilford · CT
Public listing
- Legal name
- Harmuth Marine Services LLC
- License or register id
- USDOT 4331093
- Status
- Active
- State
- CT
- City
- Guilford
- Category
- Private Property
- Phone
- +1 (203) 710-9321
- Address
- 2558 Long Hill Rd, Guilford, CT, 06437
- Official source
- FMCSA Company Census
Verify this record on the official source named above before you hire, fund, or rely on it. An index listing is not an endorsement, a rating, or a review. Empty phone or address means that public file did not include it.
Census fleet
- Power units
- 1
- Drivers
- 1
- Operation
- Intrastate non-hazmat
- Classification
- Private Property
- Census status
- Active
- Trucks
- 1
- MCS-150 mileage
- 1 (2025)
- MCS-150 date
- 20260417
- Fleet size
- 1 power units
- Hazmat
- No
- Company officer
- John Harmuth
- Mailing address
- 2558 Long Hill Rd, Guilford, CT, 06437
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
About
Harmuth Marine Services LLC is in the FMCSA Company Census as USDOT 4331093. census status Active. address 2558 Long Hill Rd, Guilford, CT, 06437. 1 power units. 1 drivers. Private Property. Intrastate non-hazmat operation. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify Harmuth Marine Services LLC?
Match the legal name and USDOT 4331093 on FMCSA SAFER. BrokerMafia republishes the public Motus and Company Census record and does not endorse the firm.
What does this listing show?
Operating authority, USDOT, census fleet, and insurance filings when those fields are on the FMCSA extract.

