Carrier profile · USDOT 503813 · MC-954686 · Updated Jun 13, 2026

RALPH WILLIAMS SERVICE LLC

DBA RALPH'S TOWING

6 power unitsSLINGER, WI76/100
CARRIER ACTIVEMC-954686 ACTIVEHAZMAT
Verified linksFMCSA SAFER

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
3581 WI 175, SLINGER, WI, 53086
Operation
Interstate· Hazmat

Contact

Phone
(262) 644-8442
Cell
(262) 224-1756
Email
ralphstowing76@yahoo.com

Registration

Officers
Harold Williams · John Williams
USDOT / docket
503813 · MC-954686
First registered
Nov 9, 1992
Last MCS-150
May 13, 2025 · 50 mi (2024)
FMCSA safety rating
Not rated
D-U-N-S
—

Fleet (self-reported · MCS-150)

6Power units
4Drivers
4CDL drivers
50Annual 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.