Carrier profile · USDOT 4482322 · Updated Jul 23, 2026
UNDERDOWN TRENCHING INC
51 power unitsLocal · 2 statesFENTON, MO86/100
AUTHORITY STATUS UNKNOWN
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 1150 QUAIL HOLLOW DR, FENTON, MO, 63026-4956
- Operation
- Interstate
Contact
- Phone
- (636) 343-1321
- Web domain
- underdowntrenching.com
Registration
- Officers
- Pleys Ray Underdown · Trish Hancock
- USDOT / docket
- 4482322
- First registered
- Oct 16, 2025
- Last MCS-150
- Oct 16, 2025 · 0 mi
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 5.00
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
—Annual mileage
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.