Carrier profile · USDOT 1789412 · Updated Jun 13, 2026
William Zachary Shipman
DBA SPRING BRANCH TRADING POST
1 power unitSPRING BRANCH, TX50/100
AUTHORITY STATUS UNKNOWN
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.
Inspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
SPRING BRANCH, TX
Density
fewermore