Carrier profile · USDOT 216830 · Updated Jun 13, 2026

Granite State Gas Transmission Inc

6 power unitsPORTSMOUTH, NH50/100
AUTHORITY STATUS UNKNOWN
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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.

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base
PORTSMOUTH, NH
325 WEST RD
Density
fewermore
Shade = roadside inspections, last 24 mo.