- Legal name
- Southwest Signal Supply INC
- USDOT number
- 1938796
- Physical address
- 1107 Jackson Street, South Houston, TX, 77587
- i•••@s•••.net Unlock
- Power units
- 24
- Drivers
- 20
- Operation
- Intrastate (non-hazmat)
- Operating radius
- Intrastate <100 mi
- Cargo
- Building Materials, Construction
- Operation class
- Private Property
- Last MCS-150 filing
- Jan 28, 2026
- Common authority
- Not held
- Broker authority
- Not held
- USDOT registered
- Sep 16, 2009
- Insurer (writing paper)
- Imperium Insurance Company
- Filed with
- Texas DMV (intrastate)
- Filing form
- Form E
- Federal (FMCSA) filing
- None on record
- Estimated renewal window
- Q4 2026
Working this account? See the current renewal estimate free with the X-date lookup.
- FMCSA safety rating
- Not rated
- Roadside inspections (24 mo)
- 1
- Out-of-service inspections
- 0
- Inspections with violations
- 0
- BASICs with acute/critical violations
- 0
- SMS population
- Intrastate (non-hazmat)
Is Southwest Signal Supply INC insured?
Yes. Southwest Signal Supply INC (USDOT 1938796) has active BI/PD liability insurance filed with the Texas DMV on an intrastate Form E, currently written by Imperium Insurance Company. It has no federal (FMCSA) insurance filing on record, which interstate for-hire authority would require.
What insurance company does Southwest Signal Supply INC use?
Southwest Signal Supply INC's current BI/PD filing with the Texas DMV (Form E) is written by Imperium Insurance Company. Insurer changes show up when the Texas motor carrier registry updates.
What is Southwest Signal Supply INC's MC number?
Southwest Signal Supply INC has no MC docket on record; it operates under USDOT 1938796 only. An MC number is issued with interstate for-hire operating authority.
Is Southwest Signal Supply INC safe to work with?
Southwest Signal Supply INC's FMCSA safety rating is not rated (most carriers never receive one), with 1 roadside inspections in the last 24 months, 0 of the five public BASICs carrying an acute or critical violation from an FMCSA investigation. The full inspection-level record is on this page. This carrier is scored in FMCSA’s intrastate non-hazmat SMS file: a state-regulated population measured separately from interstate fleets, typically operating locally.
When does Southwest Signal Supply INC's insurance renew?
Based on its filing history, Southwest Signal Supply INC's BI/PD policy is estimated to renew in Q4 2026. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 1938796’s exact X-date →
How many trucks does Southwest Signal Supply INC operate?
Southwest Signal Supply INC reports 24 power units and 20 drivers in its latest MCS-150 census filing.
Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily, and the Texas DMV motor carrier registry (TxMCCS) for the Form E. Record last synced Sep 26, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.
This page is the public record.
Market Tracker is the rest.
The exact renewal X-date, a loss-risk tier, an ISS estimate, verified contacts, the full filing history and every carrier like this one in your state: filtered, exported and watched for change, from $69/user/month.
This page republishes the public FMCSA record for USDOT 1938796. If you are connected to this carrier and want your details removed, request removal.