Carrier profile · USDOT 3191787 · Updated Jun 13, 2026

Kasowski Brothers & Seifert Partnership

14 power unitsLocal · 1 statesCASSELTON, ND50/100
AUTHORITY STATUS UNKNOWN
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
3550 161ST AVENUE SE, CASSELTON, ND, 58012-3210
Mailing address
PO BOX 309, CASSELTON, ND, 58012-3210
Operation
Interstate

Contact

Phone
(701) 261-1635
Email
4seiferts@msn.com

Registration

Officer
Jeffrey Scott Seifert
USDOT / docket
3191787
First registered
Sep 24, 2018
Last MCS-150
May 16, 2024 · 50,000 mi (2023)
FMCSA safety rating
Not rated
D-U-N-S
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Fleet (self-reported · MCS-150)

14Power units
24Drivers
4CDL drivers
50,000Annual 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.