Carrier profile · USDOT 659772 · MC-309277 · Updated Jul 24, 2026

SEMINGSON EXPLORATION INC

DBA SEMI INC

18 power unitsavg 6 yrLocal · 2 statesCORNELIUS, OR68/100
NO OPERATING AUTHORITYMC-309277 NO AUTHORITY
Verified linkssemi-inc.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 mo16
WA busiest

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

Home base
CORNELIUS, OR
1640 NW CORNELIUS SCHEFFLIN RD
Top corridor
WA ⇄ OR
WA 11 · OR 5
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · SEMINGSON EXPLORATION INC · trailing 24 months
StateCoverageInspections
WAWashington11
OROregonHQ5