Wt Byler Company LP (USDOT 556379)
3 issues to review.
- DOT number
- USDOT 556379
- Docket (MC) number
- MC431866
- Operating authority
- Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now.
- Authority granted
- 2002-07-10
- Insurance on file
- Liability (BIPD) insurance on file for $1,000,000. Cargo insurance on file.
- Safety rating
- Conditional (rating decision 2019-02-04)
- Fleet on file
- 50 power units, 35 drivers
- Operation type
- Interstate
- Physical address
- 15203 LILLJA ROAD, HOUSTON, TX 77060
- MCS-150 last filed
- 2025-05
Findings
- Conditional safety rating (Critical): FMCSA rating: Conditional. Compliance issues found at last review; carrier remains authorized to operate
- Crash rate above federal benchmark (Critical): Recordable crash rate 4.00 per million miles (last 24 months) — above FMCSA’s 1.5 compliance-review threshold (49 CFR 385). National average 0.96.
- Fatal crash on record (last 24 months) (Caution): 1 fatal crash on FMCSA record in last 24 months
Frequently asked questions
What carrier is DOT 556379?
DOT 556379 (USDOT 556379) is Wt Byler Company LP, an interstate motor carrier.
What carrier is MC 431866?
MC 431866 is the docket number of Wt Byler Company LP, USDOT 556379.
What is Wt Byler Company LP's MC number?
Wt Byler Company LP's docket number is MC 431866. Its USDOT number is 556379.
Is Wt Byler Company LP currently authorized to operate?
Common carrier authority: active. The federal bulk file showed this carrier active as of 2026-08-30. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does Wt Byler Company LP have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $1,000,000. Cargo insurance on file.
Who provides Wt Byler Company LP's insurance?
Wt Byler Company LP's liability insurance is filed with FMCSA by Zurich American Insurance Company.
What is Wt Byler Company LP's safety record?
In the last 24 months, FMCSA records show a 28.1% vehicle out-of-service rate for Wt Byler Company LP, from 16 of 57 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of 2026-08-26). FMCSA records also show 6 recordable crashes in the same window.
What is Wt Byler Company LP's CSA score?
FMCSA does not publish a single CSA score for carriers. Wt Byler Company LP's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Wt Byler Company LP's FMCSA safety rating?
Wt Byler Company LP's FMCSA safety rating is Conditional, from a review decided 2019-02-04.
Changes over time
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Run a SAFER company snapshot lookup for any carrier
Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Aug 30, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status