Fleet typeIdentity
Asset-based
161 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 229047 · MC-197435 · Updated Sep 6, 2026
Williams Tank Lines LLC
DBA WILLIAMS TANK LINES
161 power unitsavg 8 yrRegional · 5 statesSTOCKTON, CA88/100
CARRIER ACTIVEMC-197435 ACTIVERATED SATISFACTORYHAZMAT
Observed fleet · trailing 24 mo daily
161Power units
137 observed · MCS-150
146Trailers seen
Decoded · vPIC
8.0Avg age (yr)
1997–2026 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · Sep 6, 2026
Clear to load
Clear under the current scoring — review the flagged signal below before loading.
In good standing · 4
Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 44 yearsOperating authority has been on file since 1983.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 1233 inspections.
USDOT registration4343 yr registered
Active for-hireInsurance (BIPD)$750K in force
FMCSA L&IVehicle OOS · 24-mo6.5%
▼ 22.26% nat'lCrashes · fatal1414
17 in 24 moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersTypical
8 yr
Model years 1997–2026 · peer benchmark unavailable.
Identity stabilityStable
43 yr unchanged
Same registration since 1983 — no chameleon / reincarnation signal.
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Verification summary
WILLIAMS TANK LINES LLC (USDOT 229047) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Sep 6, 2026.
The carrier holds active contract for-hire operating authority per FMCSA L&I as of Sep 6, 2026.
It has an active BIPD insurance filing with a $750,000 limit in force from NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA effective Apr 1, 2026 in FMCSA L&I's current snapshot as of Sep 6, 2026.
Its vehicle out-of-service rate was 6.5% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Sep 6, 2026.
The carrier received 708 roadside inspections in the last 24 months — 676 vehicle-level and 608 driver-level — across 5 states, according to FMCSA roadside-inspection data refreshed Sep 6, 2026.
The carrier has 17 reportable crashes in the last 24 months and 14 fatal crashes across the full FMCSA crash record available as of Sep 6, 2026.
It reports 161 power units and 347 drivers in its most recent MCS-150 filing dated Apr 1, 2025.
It has an FMCSA safety rating of Satisfactory assigned May 19, 2014 in the federal record refreshed Sep 6, 2026.
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Frequently asked
What is WILLIAMS TANK LINES LLC's USDOT number?
WILLIAMS TANK LINES LLC's USDOT number is 229047, and its motor carrier number is MC-197435.
Is WILLIAMS TANK LINES LLC authorized to operate?
As of Sep 6, 2026, WILLIAMS TANK LINES LLC is active in the FMCSA register with common, contract, broker operating authority on file.
What is WILLIAMS TANK LINES LLC's safety record?
WILLIAMS TANK LINES LLC has a 6.5% vehicle out-of-service rate (national average 22.26%) across 1,233 roadside inspections, with 17 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 88/100 (tier: clear).
How big is WILLIAMS TANK LINES LLC's fleet?
WILLIAMS TANK LINES LLC operates 161 power units and 347 drivers per its most recent MCS-150 filing.
Where is WILLIAMS TANK LINES LLC based?
WILLIAMS TANK LINES LLC is based in STOCKTON, CA, with roadside inspections recorded across 5 states.
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