Carrier profile · USDOT 3279280 · MC-1036575 · Updated Jul 18, 2026

Spencer Trucking LLC

DBA STONE TRUCKING

48 power unitsavg 3.7 yrRegional · 4 statesTUCSON, AZ93/100
CARRIER ACTIVEMC-1036575 ACTIVEHAZMAT
Verified linksspencertrucks.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 radiusRegional
revealed
States observed4
US states
Inspections · 24 mo16
TX busiest

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

Home base
TUCSON, AZ
5330 N LA CHOLLA BLVD
Top corridor
TX ⇄ AZ
TX 11 · AZ 3 · CA 1
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · SPENCER TRUCKING LLC · trailing 24 months
StateCoverageInspections
TXTexas11
AZArizonaHQ3
CACalifornia1
NMNew Mexico1