Carrier profile · USDOT 1286532 · MC-500386 · Updated Jun 13, 2026
TW SERVICES INC
DBA TW SERVICES
7 power unitsMADISON, SD80/100
CARRIER ACTIVEMC-500386 ACTIVEHAZMAT
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
- 1606 NE THIRD STREET, MADISON, SD, 57042
- Mailing address
- PO BOX 468, MADISON, SD, 57042
- Operation
- Interstate· Hazmat
Contact
- Phone
- (605) 256-2600
- Fax
- (605) 256-4495
- twsi@iw.net
- Web domain
- iw.net
Registration
- Officer
- Tony Devaney
- USDOT / docket
- 1286532 · MC-500386
- First registered
- Sep 17, 2004
- Last MCS-150
- May 5, 2014 · 183,000 mi (2013)
- FMCSA safety rating
- Not rated
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
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.