- Legal name
- Williams Tank Lines LLC
- DBA
- Williams Tank Lines
- USDOT number
- 229047
- MC docket
- MC197435
- Physical address
- 1477 Tillie Lewis Dr, Stockton, CA, 95206-1130
- c•••@w•••.com Unlock
- Power units
- 336
- Drivers
- 347
- Operation
- Interstate
- Operating radius
- Interstate 100+ mi
- Cargo
- Liquids/Gases, Other
- Operation class
- Authorized For-Hire
- Last MCS-150 filing
- Apr 1, 2025
- Common authority
- Active
- Contract authority (as of 5/2026)
- Active
- Broker authority
- Active
- Authority granted
- Feb 22, 1983
- MCSIP step
- 0
- Insurer (writing paper)
- National Union Fire Insurance Company Of Pittsburgh, Pa.
- Filing form
- BMC-91X
- Coverage amount
- $750,000
- BI/PD on file
- $750,000
- Estimated renewal window
- Q2 2027
Working this account? See the current renewal estimate free with the X-date lookup.
- FMCSA safety rating
- Satisfactory
- Roadside inspections (24 mo)
- 709
- Out-of-service inspections
- 45
- Inspections with violations
- 197
- Crashes (24 mo)
- 17
- BASICs with acute/critical violations
- 0
- SMS population
- Interstate
Is Williams Tank Lines LLC insured?
Yes. Williams Tank Lines LLC (USDOT 229047) has active BI/PD liability insurance on file with FMCSA, currently written by National Union Fire Insurance Company Of Pittsburgh, Pa., with $750,000 in coverage on the filing.
What insurance company does Williams Tank Lines LLC use?
Williams Tank Lines LLC's current BI/PD filing is written by National Union Fire Insurance Company Of Pittsburgh, Pa.. Insurer changes show up in the daily-refreshed federal filing record.
What is Williams Tank Lines LLC's MC number?
Williams Tank Lines LLC's FMCSA docket is MC197435, paired with USDOT 229047.
Is Williams Tank Lines LLC safe to work with?
Williams Tank Lines LLC's FMCSA safety rating is Satisfactory, with 709 roadside inspections in the last 24 months, 17 recorded crashes, 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.
When does Williams Tank Lines LLC's insurance renew?
Based on its filing history, Williams Tank Lines LLC's BI/PD policy is estimated to renew in Q2 2027. The exact estimated X-date, with alerts when it changes, is in Market Tracker. Unlock USDOT 229047’s exact X-date →
How many trucks does Williams Tank Lines LLC operate?
Williams Tank Lines LLC reports 336 power units and 347 drivers in its latest MCS-150 census filing.
Source: FMCSA census, Licensing & Insurance (L&I) and SMS publications, mirrored and refreshed daily. Record last synced Sep 15, 2026. Native Base is not affiliated with FMCSA; always confirm against the live federal record before binding.
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