Carrier profile · USDOT 4291039 · Updated Jun 13, 2026
Professional Telecommunications Services Inc
2 power unitsLocal · 1 statesLIVERMORE, CA50/100
AUTHORITY STATUS UNKNOWN
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
- 1799 PORTOLA AVENUE STE #5, LIVERMORE, CA, 94551
- Mailing address
- 1799 PORTOLA AVE STE 5, LIVERMORE, CA, 94551
- Operation
- Intrastate (Non-Hazmat)
Contact
- Phone
- (925) 447-5100
- Cell
- (510) 364-6951
- Fax
- (925) 447-5105
- jeffo@ptsca.net
- Web domain
- ptsca.net
Registration
- Officers
- Jeff O'Brien · Professional Telecommunications Services Inc.
- USDOT / docket
- 4291039
- First registered
- Sep 4, 2024
- Last MCS-150
- Oct 21, 2024
- FMCSA safety rating
- Not rated
- D-U-N-S
- 800117652
Fleet (self-reported · MCS-150)
—Annual 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.