Frontier Underground LLC (USDOT 3920725)
USDOT 3920725 · Inactive · Ladysmith · WI
Public listing
- Legal name
- Frontier Underground LLC
- License or register id
- USDOT 3920725
- Status
- Inactive
- State
- WI
- City
- Ladysmith
- Category
- Authorized For Hire
- Phone
- +1 (715) 828-6073
- Address
- W7633 Mickey Way, Ladysmith, WI, 54848
- 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
- Authorized For Hire
- Census status
- Inactive
- Trucks
- 1
- MCS-150 mileage
- 500 (2023)
- MCS-150 date
- 20250917
- Fleet size
- 1 power units
- Hazmat
- No
- Company officer
- Jonathan Hillman
- Mailing address
- W7633 Mickey Way, Ladysmith, WI, 54848
Company Census fields (fleet, safety, cargo, officers, mailing). VIN/plate come from SMS Input joins when present.
About
Frontier Underground LLC is in the FMCSA Company Census as USDOT 3920725. census status Inactive. address W7633 Mickey Way, Ladysmith, WI, 54848. 1 power units. 1 drivers. Authorized For Hire. Intrastate non-hazmat operation. Source: public FMCSA Company Census. Not an FMCSA endorsement.
How to verify
How do I verify Frontier Underground LLC?
Match the legal name and USDOT 3920725 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.

