Carrier profile · USDOT 3084301 · MC-68438 · Updated Jun 13, 2026
STM AUTO INC
9 power unitsavg 10 yrRegional · 6 statesANN ARBOR, MI93/100
CARRIER ACTIVEMC-68438 ACTIVE
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 observed66
US statesInspections · 24 mo3232
MI busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
ANN ARBOR, MI
Top corridor
MI
Density
fewermore
State activity ranking· all 6 states · trailing 24 mo
| State | Coverage | Inspections |
|---|---|---|
| MIMichiganHQ | 18 | |
| NYNew York | 7 | |
| MAMassachusetts | 4 | |
| CTConnecticut | 1 | |
| PAPennsylvania | 1 | |
| NJNew Jersey | 1 |