Carrier profile · USDOT 635578 · Updated Aug 20, 2026
Three Phase Line Construction Inc
504 power unitsavg 5.1 yrRegional · 7 statesFARMINGTON, NH88/100
AUTHORITY STATUS UNKNOWNHAZMAT
Operations & Lanes
Where this carrier actually runs, revealed by roadside-inspection geography over the last 24 months — not where they claim to operate, shown as state-level inspection density.
Operating footprint· revealed by roadside-inspection geography
Operating radiusRegional
revealedStates observed77
US statesInspections · 24 mo3131
NY busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
FARMINGTON, NH
Top corridor
NY ⇄ NH
Density
fewermore
State activity ranking· all 7 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| NYNew York | 13 | |
| ILIllinois | 8 | |
| NHNew HampshireHQ | 4 | |
| MEMaine | 2 | |
| VTVermont | 2 | |
| MOMissouri | 1 | |
| CTConnecticut | 1 |