Carrier profile · USDOT 729643 · MC-505 · Updated Jun 13, 2026
O'brien Enterprises Inc
1 power unitMAYVILLE, ND50/100
NO OPERATING AUTHORITYMC-505 NO AUTHORITYRATED SATISFACTORY
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
- 42 1ST AVE NE, MAYVILLE, ND, 58257-0505
- Mailing address
- 505 PO BOX, MAYVILLE, ND, 58257
- Operation
- Interstate
Contact
- Phone
- (701) 788-9117
- Fax
- (701) 788-9119
- larry@obrienseed.com
- Web domain
- obrienseed.com
Registration
- Officers
- Larry O'Brien · Larry Obrien
- USDOT / docket
- 729643 · MC-505
- First registered
- Feb 12, 1998
- Last MCS-150
- Mar 7, 2022 · 2,226 mi (2019)
- FMCSA safety rating
- Satisfactory · May 26, 2009
- 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.