CarrierOwl

SOUTHWEST SIGNAL SUPPLY INC

AUTHORIZED
1107 JACKSON STREET, SOUTH HOUSTON, TX, 77587|(713) 946-7162

USDOT

1938796

MC Number

N/A

Fleet Size

24

Total Drivers

20

Last updated: March 14, 2026

Safety overview

SOUTHWEST SIGNAL SUPPLY INC is a mid-size intrastate only (non-hazmat) motor carrier based in SOUTH HOUSTON, Texas, operating 24 power units with 20 drivers. FMCSA hasn't published BASIC scores for this carrier yet. That usually means they don't have enough inspection data for the system to calculate percentiles. No crashes on file.

BASIC scores

SMS Percentiles

Higher percentile = worse performance relative to peers. Scores at or above 75% may trigger an FMCSA investigation.

No BASIC scores available. This usually means the carrier hasn't had enough inspections for FMCSA to calculate percentiles.

Company details

Entity Type
N/A
Carrier Operation
Intrastate Only (Non-Hazmat)
Operation Classification
Private (Property)
Cargo Carried
N
Hazmat
No
Safety Rating Date
N/A

Inspections

0

Total

—

Driver %

Driver Inspections0
Vehicle Inspections0

Crash history

0

Total Crashes

Fatal Crashes0
Injury Crashes0
Tow Crashes0

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Frequently asked questions

Is SOUTHWEST SIGNAL SUPPLY INC authorized to operate?

Yes. SOUTHWEST SIGNAL SUPPLY INC (USDOT #1938796) currently holds "AUTHORIZED" status with FMCSA. They're registered as an intrastate only (non-hazmat) carrier.

How many trucks does SOUTHWEST SIGNAL SUPPLY INC operate?

SOUTHWEST SIGNAL SUPPLY INC operates 24 power units with 20 drivers on file. That puts them in the mid-size range.

Does SOUTHWEST SIGNAL SUPPLY INC transport hazardous materials?

No. SOUTHWEST SIGNAL SUPPLY INC does not have a hazardous materials flag in the FMCSA database.

Where is SOUTHWEST SIGNAL SUPPLY INC located?

SOUTHWEST SIGNAL SUPPLY INC is based in SOUTH HOUSTON, Texas at 1107 JACKSON STREET, 77587. Phone: (713) 946-7162.