Carrier profile · USDOT 133751 · MC-143871 · Updated Jun 21, 2026
MS & Sons Corp
40 power unitsavg 11.7 yrRegional · 7 statesHUMBOLDT, IA88/100
CARRIER ACTIVEMC-143871 ACTIVERATED SATISFACTORYHAZMAT
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
- 1605 SASSY LANE, HUMBOLDT, IA, 50548
- Mailing address
- PO BOX 334, HUMBOLDT, IA, 50548
- Operation
- Interstate· Hazmat
Contact
- Phone
- (515) 332-3303
- Fax
- (515) 332-1716
- teri@mssons.com
- Web domain
- mssons.com
Registration
- Officer
- Teri Dunphy
- USDOT / docket
- 133751 · MC-143871
- First registered
- Jun 1, 1974
- Last MCS-150
- Apr 3, 2026 · 2,427,838 mi (2024)
- FMCSA safety rating
- Satisfactory · Apr 14, 2025
- D-U-N-S
- 55588420
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.