Carrier Search
Sign inSign up
Carrier profile · USDOT 375956 · Data as of Oct 7, 2026

Sentry Supply Co Inc

DBA Superior Supply & Steel · Sulphur, LA · Interstate carrier · Since 1989
No MC authoritySatisfactory ratingNo hazmat
Cargo carriedMetal: Sheets, Coils, RollsSteel
View on FMCSA SAFERCall (337) 625-2300
32
Power units
26
Drivers
19
Inspections · 24 mo
1
Crashes · 24 mo
443K
Annual miles
36 yr
Registered
100
/ 100
Clear to load

Operating legally with a clean record

No problems found in FMCSA authority, insurance, inspection or crash data.

How we scored it · 5 factors
Operating authority20/20
Insurance20/20
Out-of-service rates20/20
Crashes & rating20/20
Continuity & identity20/20

Composite of public FMCSA authority, insurance, inspection and crash records weighted against the national fleet. Decision support, not an official FMCSA safety rating.

Safety

FMCSA inspections & crashes · 24 mo · AS OF OCT 7, 2026
Vehicle out-of-service
14.3%▼ below avg
National 22.26% · 2 of 14 inspections
Driver out-of-service
0.0%▼ below avg
National 6.67% · 0 of 19 inspections
Crashes
1
0 fatal0 injury1 tow-away
Crash rate 1.13 per 1M mi
Total inspections
19
Driver inspections
19
Vehicle inspections
14
People injured
0
Fatalities
0
FMCSA rating
Satisfactory (2015)

Enforcement

FMCSA closed cases

Closed enforcement cases — case numbers, violation codes and the amount settled — are available after you create a free account.

Create an accountSign in

Authority & insurance

FMCSA L&I · AS OF OCT 7, 2026

No operating authority (MC/FF docket) on file. Private and intrastate carriers don't need one; interstate for-hire carriers and brokers do.

Equipment

SELF-REPORTED ON MCS-150
32
Power units
32
Trucks
11
Tractors owned
17
Trailers owned
26
Drivers
13
CDL drivers
Not registered for hazardous materials.

Operations & cargo

FMCSA CENSUS
InterstatePrivate Property
Cargo carried
Metal: Sheets, Coils, RollsSteel
Annual mileage
443,287 mi (2026)

Identity & federal record

FMCSA census · MCS-150
USDOT
375956
MC / docket
None
Legal name
Sentry Supply Co Inc
DBA
Superior Supply & Steel
Entity type
Carrier
Operation
Interstate
First registered
Dec 14, 1989
Last MCS-150
Oct 2, 2026
Safety rating
Satisfactory
Drivers (CDL)
26 (13)
Hazmat
No
Business type
Corporation

Fraud & network signals

For review, not a verdict.

No prior revocation
FMCSA shows no link to a previously revoked authority.
Unique phone number
Not shared with any other active USDOT.
Unique email address
Not shared with any other active USDOT.
Unique street address
Not shared with any other active USDOT.

Frequently asked

What is Sentry Supply Co Inc's USDOT number?

Sentry Supply Co Inc's USDOT number is 375956.

Is Sentry Supply Co Inc authorized to operate?

It does not hold MC operating authority, which private and intrastate carriers do not need.

What is Sentry Supply Co Inc's safety record?

Over the last 24 months: 19 roadside inspections, a 14.3% vehicle and 0.0% driver out-of-service rate, and 1 reportable crash (0 fatal). FMCSA safety rating: Satisfactory.

How big is Sentry Supply Co Inc's fleet?

32 power units and 26 drivers per its MCS-150 filed Oct 2, 2026.

Where is Sentry Supply Co Inc located?

Sentry Supply Co Inc is located at 318 S Cities Service Hwy, Sulphur, LA, 70663. Phone: (337) 625-2300.

Similar carriers in Louisiana

All Louisiana carriers →
Wise Well Intervention Services Inc
Lafayette, LA · 32 power units
Carrier
Stott Transport Inc
Olla, LA · 32 power units
Carrier
Vision Industrial Services LLC
Dequincy, LA · 32 power units
Carrier
Water Works Industrial Services LLC
Geismar, LA · 32 power units
Carrier
Zeigler Tree & Timber Inc
Madisonville, LA · 32 power units
Carrier
Acadian Redi Mix LLC
Maurice, LA · 32 power units
Carrier
Trucking companies in SulphurFreight brokers in Louisiana

Source: FMCSA public records via the U.S. DOT Open Data Portal. Carrier Search presents the federal record and computed signals for decision support only. It is not an FMCSA safety rating and not a recommendation to use or avoid any carrier. Verify authority and insurance before tendering.