Carrier profile · USDOT 1639264 · MC-604070 · Updated Jun 13, 2026

JB Sittner Trucking LLC

35 power unitsavg 9.4 yrRegional · 4 statesNUNN, CO88/100
CARRIER ACTIVEMC-604070 ACTIVEHAZMAT
Verified linksjbsitter.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 mo8
CO busiest

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

Home base
NUNN, CO
49600 COUNTY ROAD 29 1/2
Top corridor
CO
CO 3 · WY 2 · MT 2
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 4 states · trailing 24 mo

Roadside inspections by state · JB SITTNER TRUCKING LLC · trailing 24 months
StateCoverageInspections
COColoradoHQ3
WYWyoming2
MTMontana2
IAIowa1