Fleet typeIdentity
Owner-operator
2 power units. Brokers price each fleet type apart.
S4 Carriers LLCUSDOT 3831189HOUSTON, TX
CARRIER ACTIVE
Fleet snapshot24-mo observations
2Reported power
2 seen in inspections
—Trailers seen
None observed · 24 mo
13.0Avg age (yr)
2007–2019 · vPIC
Assessment evidence ·
Clear to load
Active authority and a clean federal record. No blocking issues found.33.3% of vehicle inspections out of service
Vehicle out-of-service rate above average
Active authority and a clean federal record. No blocking issues found.
Fleet snapshot24-mo observations
2Reported power
2 seen in inspections
—Trailers seen
None observed · 24 mo
13.0Avg age (yr)
2007–2019 · vPIC
Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Observed fleet ageObserved
13 yr
Model years 2007–2019. No peer comparison available.
Registration historyOn record
4 yr registered
USDOT record added in 2022. Registration age does not establish unchanged ownership or continuous authority.
Cross-border activity
No border inspections on record
11 other inspections in border states, with no named crossing match.
A named inspection location does not confirm a border transit or operating authority. Counts cover retained inspection records.
Safety and violations
Violation data is not available for this carrier right now.
Verification summary
S4 CARRIERS LLC (USDOT 3831189) has a Vektor safety score of 93/100 and a Clear to load verdict, from the carrier's FMCSA record. FMCSA profile data as of Nov 3, 2026.
The carrier holds active common for-hire operating authority per FMCSA L&I. FMCSA authority data as of Nov 7, 2026.
It has an active BIPD insurance filing with a $1,000,000 limit in force from CLEAR BLUE INSURANCE COMPANY effective Feb 28, 2026 in FMCSA L&I's current snapshot. FMCSA insurance data as of Nov 3, 2026.
Its vehicle out-of-service rate was 33.3% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data. FMCSA safety data as of Nov 7, 2026.
The carrier received 6 roadside inspections in the last 24 months — 6 vehicle-level and 6 driver-level — across 1 jurisdiction, according to FMCSA roadside-inspection data. FMCSA operations data as of Nov 7, 2026.
The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Nov 7, 2026.
It reports 2 power units and 4 drivers in its most recent MCS-150 filing dated Sep 25, 2026. FMCSA identity data as of Nov 7, 2026.
It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Nov 7, 2026.
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What is S4 CARRIERS LLC's USDOT number?
S4 CARRIERS LLC's USDOT number is 3831189, and its motor carrier number is MC-1389836.
Is S4 CARRIERS LLC authorized to operate?
FMCSA authority data as of Nov 7, 2026. S4 CARRIERS LLC is active in the FMCSA register. Operating authority: Common: Active; Contract: None; Broker: None.
What is S4 CARRIERS LLC's safety record?
S4 CARRIERS LLC has a 33.3% vehicle out-of-service rate (national average 22.26%) across 12 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 93/100 (tier: clear).
How big is S4 CARRIERS LLC's fleet?
S4 CARRIERS LLC operates 2 power units and 4 drivers per its most recent MCS-150 filing.
Where is S4 CARRIERS LLC based?
S4 CARRIERS LLC is based in HOUSTON, TX, with roadside inspections recorded across 1 jurisdiction.