Carrier profile · USDOT 994069 · MC-421476 · Updated Jun 13, 2026

MASTERKEY INTERNATIONAL INC

DBA MILEMASTER

2 power unitsLocal · 1 statesSPRING, TX50/100
CARRIER ACTIVEMC-421476 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 radiusLocal
revealed
States observed1
US states
Inspections · 24 mo1
TX busiest

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

Home base
SPRING, TX
9014 HEATHER SPRINGS DR
Top corridor
TX
TX 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · MASTERKEY INTERNATIONAL INC · trailing 24 months
StateCoverageInspections
TXTexasHQ1