US · FMCSA ACTIVE
SENTRY SUPPLY CO INC
dba SUPERIOR SUPPLY & STEEL
Sulphur, LA 70663 · DOT 375956
Company profile
Web-discovered · as of 2026-07-30
Superior Supply & Steel (Sentry Supply Co Inc) is a steel distributor and processor based in Sulphur, LA, operating its own fleet for delivery of steel and aluminum products across the U.S. and Mexico.
Fleet use
Private fleet
Operating scope
National
Service model
dedicated, own account
Equipment
flatbed
Ownership
Private
Employees
51-200
HQ · 318 S Cities Service Hwy, Sulphur, LA 70663, US
Site lists 318 S Cities Service Hwy, Sulphur, LA and 2026 reviews confirm activity.
Registry record
Source FMCSA · as of 2026-08-01
Fleet size
26
power units
Activity
road freight carrier
private licence
In operation since
1989
15 drivers
Data Services
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