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
Network & Fraud
Reincarnation chains, shared-VIN links, common domains and officers, and owner-group affiliations — the chameleon / double-broker signals that name-and-USDOT lookups miss.
Shares a registration email domain with other carriers
@prim.com — 31 carriers: USDOT 28071USDOT 60013USDOT 372280USDOT 491175USDOT 530399USDOT 627779USDOT 711668USDOT 782213
Shares a company officer with other carriers
eric st. clair — 5 carriers: USDOT 797257USDOT 1265085USDOT 2420604USDOT 2439905
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)1919
Observed (24 mo)44
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
Owner / group view· confidence: email domain + officer
Owner / group view
Affiliated authorities
Collapses 31 related authorities · joined by email domain + officer
- Authorities
- 31
- Combined power
- 2,857
- States
- 10
- Oldest authority
- Jun 1, 1974
- Active now
- 20
- TTR SUBSTATIONS INC· viewingUSDOT 245877219PU
- Q3 CONTRACTING INCUSDOT 627779678PU
- ARB INCUSDOT 530399489PU
- PRIMORIS DISTRIBUTION SERVICES INCUSDOT 3017573292PU
- EDISON POWER CONSTRUCTORS INCUSDOT 2439905169PU
- FUTURE INFRASTRUCTURE LLCUSDOT 1087897166PU
- ROCKFORD CORPORATIONUSDOT 372280165PU
- JAMES CONSTRUCTION GROUP LLCUSDOT 782213123PU
- B COMM CONSTRUCTORS LLCUSDOT 2422577122PU
- PRIMORIS ENERGY SERVICES CORPORATIONUSDOT 2322051117PU
- SNELSON COMPANIES INCUSDOT 2807198PU
- R B HINKLE CONSTRUCTION INCUSDOT 71166895PU
- PRIMORIS ELECTRIC INCUSDOT 280282891PU
- TALUS DEVELOPMENT CORPUSDOT 169392056PU
- PRIDE UTILITY CONSTRUCTION COUSDOT 132717155PU
- PRIMORIS RENEWABLE ENERGY INCUSDOT 402345740PU
- MILLER SPRINGS MATERIALS LLCUSDOT 211888830PU
- SOURCE POWER SERVICES OF CA INCUSDOT 271620813PU
- FLORIDA GAS & ELECTRIC CORPUSDOT 85392312PU
- VADNAIS TRENCHLESS SERVICES INCUSDOT 264240210PU
- PRIMORIS POWER SOLUTIONS LLCUSDOT 45083536PU
- PRIMORIS RENEWABLE INCUSDOT 19728052PU
- AUGER SERVICES INCUSDOT 7972571PU
- PRIMORIS COASTAL FIELD SERVICESUSDOT 18727091PU
- PRIMORIS PIPELINE SERVICES CORPORATIONUSDOT 24556651PU
- SUN ELECTRICUSDOT 12650851PU
- WILLBROS CONSTRUCTION US LLCUSDOT 4911751PU
- ENERGY SERVICES SOUTH LLCUSDOT 24206041PU
- CHAPMAN CONSTRUCTION CO LPUSDOT 600131PU
- POWERLINE SERVICES INCUSDOT 9308421PU
- COMTRAC SERVICES INCUSDOT 11515191PU