Carrier profile · USDOT 1852417 · Updated Jun 13, 2026

Sefnco Communications Inc

DBA SEFNCO COMMUNICATIONS

253 power unitsPACIFIC, WA50/100
AUTHORITY STATUS UNKNOWN
Verified linksmastec.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

Contact

Web domain
mastec.com

Registration

Officers
Seth Sherwood · Robert Denny
USDOT / docket
1852417
First registered
Feb 7, 2009
Last MCS-150
Aug 9, 2023 · 5,566,000 mi (2022)
FMCSA safety rating
Not rated
D-U-N-S

Fleet (self-reported · MCS-150)

253Power units
427Drivers
78CDL drivers
5,566,000Annual 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.