Carrier profile · USDOT 2589251 · Updated Jun 13, 2026

Margret Flores Flores De Serafin

DBA S & M TRUCKING

2 power unitsavg 20.5 yrLocal · 1 statesDALLAS, TX50/100
AUTHORITY STATUS UNKNOWN
Verified linksinstexas.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 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
DALLAS, TX
10613 SPANGLER RD
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 · MARGRET FLORES FLORES DE SERAFIN · trailing 24 months
StateCoverageInspections
TXTexasHQ1