Williams Tank Lines LLC
USDOT 229047 · MC-197435 · Stockton, California · Interstate for-hire carrier · 250–499 power units
Williams Tank Lines LLC (dba Williams Tank Lines) is a corporation based in Stockton, California, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 336 power units and 347 drivers, which ranks it #45 by fleet size among 730 active for-hire carriers with 50+ power units headquartered in California. In the 24 months to Sep 24, 2026 its trucks were inspected 714 times – about 2.1 inspections per power unit. 6.2% of vehicle inspections and 0.2% of driver inspections ended with an out-of-service order, against 18.3% and 2.0% for carriers of the same size nationally. FMCSA records 16 reportable crashes in the last 24 months (11 injuries, 0 fatalities, 16 tow-away), or 4.8 per 100 power units versus 4.2 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are liquids / gases.
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Registration and contact
| Legal name | Williams Tank Lines LLC |
|---|---|
| DBA name | Williams Tank Lines |
| USDOT number | 229047 |
| Operating authority (docket) | MC-197435 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 1477 Tillie Lewis Dr, Stockton, CA 95206 |
| Phone | (209) 944-5613 |
| First registered | Feb 22, 1983 |
| Last MCS-150 update | Apr 1, 2025 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 229047.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 115 | 0 | 0 |
| Truck tractors | 46 | 0 | 0 |
| Trailers | 0 | 0 | 0 |
- 1.03 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 13,000,000 miles reported for 2024 – about 38,690 miles per power unit vs a 41,335 median for 250–499-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 258 CDL drivers; 0 drivers operate interstate beyond 100 miles, 280 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 250–499-unit for-hire carriers nationally (792) and California carriers with 50+ units (730).
| Measure | Williams Tank Lines LLC | Same size, US | CA average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 6.2% | 18.3% | 13.6% | 66% lower than average |
| Driver out-of-service rate | 0.2% | 2.0% | 2.8% | 92% lower than average |
| Crashes per 100 power units | 4.8 | 4.2 | 2.8 | 14% higher than average |
| Inspections | 714 | 614 with a driver check, 680 with a vehicle check, 271 BASIC violations recorded, 668 hazmat-related | ||
| FMCSA safety rating | Satisfactory (rated May 19, 2014) | |||
Cargo carried
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Closest fleet size and cargo mix among California carriers in this directory.
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|---|---|---|---|---|---|---|
| H F Cox Inc USDOT 228093 | Bakersfield | 379 | 220 | 390 | 3.4% | 5 |
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| Elite Fuels Transportation Inc USDOT 1890625 | Riverside | 130 | 93 | 159 | 14.1% | 9 |
| Edco Transport Services LLC USDOT 2758347 | Escondido | 256 | 160 | 95 | 37.9% | 4 |
| MJ Industries Inc USDOT 1597503 | Ventura | 90 | 200 | 131 | 4.7% | 7 |
Other carriers near Stockton
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Speed Intermodal USDOT 2418540 | Stockton | 492 | 579 | 1,577 | 15.3% | 40 |
| Cherokee Freight Lines Stockton LLC USDOT 154922 | Stockton | 238 | 188 | 468 | 7.2% | 13 |
| Panella Trucking LLC USDOT 234182 | Stockton | 232 | 200 | 88 | 38.1% | 9 |
| Chemical Transfer Company USDOT 269372 | Stockton | 231 | 211 | 134 | 13.2% | 1 |
| Valley Pacific Petroleum Services Inc USDOT 688282 | Stockton | 229 | 94 | 188 | 3.8% | 1 |
| Fuel Delivery Services Inc USDOT 931301 | Stockton | 223 | 220 | 640 | 3.8% | 8 |
| Reeve Trucking Company Inc USDOT 290187 | Stockton | 162 | 144 | 531 | 13.0% | 10 |
| Sea Star Intermodal Inc USDOT 2960691 | Stockton | 139 | 242 | 404 | 26.5% | 15 |
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FAQ
What is the USDOT number of Williams Tank Lines LLC?
Williams Tank Lines LLC is registered with USDOT number 229047 and operating authority MC-197435.
How many trucks does Williams Tank Lines LLC have?
It reports 336 power units (46 tractors, 115 straight trucks) and 0 trailers, with 347 drivers, on its last MCS-150 update (Apr 1, 2025).
Where is Williams Tank Lines LLC located?
Its registered physical address is in Stockton, California 95206.
What is the out-of-service rate of Williams Tank Lines LLC?
Over 24 months, 6.2% of vehicle inspections and 0.2% of driver inspections resulted in an out-of-service order (same-size national average: 18.3% vehicle, 2.0% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.