Carrier profile · USDOT 694710 · Updated Jun 13, 2026

SUPERIOR WELL SERVICES LTD

1,386 power unitsINDIANA, PA50/100
AUTHORITY STATUS UNKNOWNHAZMAT
Verified linksswsi.comFMCSA 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

Operation
Interstate· Hazmat

Contact

Fax
(866) 691-8298
Web domain
swsi.com

Registration

Officers
David E Wallace · Ronnie Witherspoon
USDOT / docket
694710
First registered
Jun 19, 1997
Last MCS-150
Nov 9, 2012 · 1,860,620 mi (2010)
FMCSA safety rating
Not rated
D-U-N-S
157807652

Fleet (self-reported · MCS-150)

1,386Power units
1,417Drivers
1,417CDL drivers
1,860,620Annual 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.