Carrier profile · USDOT 438631 · Updated Jun 13, 2026

KNOWLES INDUSTRIAL SERVICES CORP

7 power unitsRegional · 3 statesGORHAM, ME93/100
AUTHORITY STATUS UNKNOWNRATED SATISFACTORYHAZMAT
Verified linksknowlesindustrial.comFMCSA SAFER

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 radiusLocal
revealed
States observed2
US states
Inspections · 24 mo5
ME busiest

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

Home base
GORHAM, ME
295 NEW PORTLAND ROAD
Top corridor
ME
ME 4 · VT 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · KNOWLES INDUSTRIAL SERVICES CORP · trailing 24 months
StateCoverageInspections
MEMaineHQ4
VTVermont1