Carrier profile · USDOT 451422 · MC-125283 · Updated Jun 13, 2026

R L Mcnair and Son LLC

21 power unitsavg 19.4 yrLocal · 2 statesEMMITSBURG, MD87/100
CARRIER ACTIVEMC-125283 ACTIVE
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 observed2
US states
Inspections · 24 mo32
MD busiest

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

Home base
EMMITSBURG, MD
9225 WAYNESBORO PIKE
Top corridor
MD
MD 23 · PA 9
Density
fewermore
Shade = roadside inspections, last 24 mo.

State activity ranking· all 2 states · trailing 24 mo

Roadside inspections by state · R L MCNAIR AND SON LLC · trailing 24 months
StateCoverageInspections
MDMarylandHQ23
PAPennsylvania9