Carrier profile · USDOT 1283456 · MC-499964 · Updated Jun 13, 2026

GREGORY L SPIERING

DBA SPIERING TRUCKING

2 power unitsLocal · 1 statesESTELLINE, SD50/100
CARRIER ACTIVEMC-499964 ACTIVERATED SATISFACTORY
Verified linksFMCSA 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 observed1
US states
Inspections · 24 mo1
SD busiest

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

Home base
ESTELLINE, SD
111 5TH ST S
Top corridor
SD
SD 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 1 states · trailing 24 mo

Roadside inspections by state · GREGORY L SPIERING · trailing 24 months
StateCoverageInspections
SDSouth DakotaHQ1