Carrier profile · USDOT 2458772 · Updated Jul 9, 2026
TTR SUBSTATIONS INC
DBA PSC - PRIMORIS
19 power unitsavg 6 yrLocal · 1 statesFRESNO, CA94/100
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
- 4533 E CITRON, FRESNO, CA, 93725
- Mailing address
- 14455 PRIMORIS WAY, HOUSTON, TX, 77048
- Operation
- Interstate
Contact
- Phone
- (469) 343-2504
- estclair@prim.com
- Web domain
- prim.com
Registration
- Officers
- Preston Schultz · Eric St. Clair
- USDOT / docket
- 2458772
- First registered
- Dec 5, 2013
- Last MCS-150
- Jan 30, 2025 · 73,738 mi (2024)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 0.00
- 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.