United Bulk Service Inc is an active interstate carrier based in Lathrop, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 18 | 0 | 0 |
| Tractors | 18 | 0 | 0 |
| Trailers | 18 | 0 | 0 |
| Total Power Units | 18 | ||
Distinct vehicles · 24 mo
vs 18 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 83% | 94% | Worse than most peers |
| HOS Compliance | 86% | 94% | Worse than most peers |
| Driver Fitness | 92% | 97% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 97% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 4 | — | 6.67% |
| Vehicle | 0 | 9 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 34 | 19 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | CA | TRUCK TRACTOR | 3 | 0 |
| Feb 4, 2026 | CA | TRUCK TRACTOR | 2 | 0 |
| Jan 15, 2026 | CA | TRUCK TRACTOR | 2 | 0 |
| Jan 12, 2026 | CA | TRUCK TRACTOR | 4 | 2 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 1.28 | — |
| HOS Compliance | 3 | 0.63 | — |
| Vehicle Maintenance | 15 | 10.17 | — |
| Driver Fitness | 2 | 0.77 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state CA accounts for 96% of activity. Activity outside home state (CA): 4%.
| 11 |
| Unsafe Driving | 4 | 0 | 0 |
| Hours-of-Service Compliance | 3 | 1 | 3 |
| Driver Fitness | 2 | 2 | 1 |
| Aug 7, 2025 | CA | TRUCK TRACTOR | 6 | 3 |
| Jun 23, 2025 | NV | TRUCK TRACTOR | 3 | 1 |
| May 19, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Apr 17, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Apr 9, 2025 | CA | TRUCK TRACTOR | 1 | 1 |
| Mar 4, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Mar 25, 2026 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 25, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Feb 4, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Feb 4, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jan 15, 2026 | 39311A1LFTSM | Lighting - Front - Turn signal - missing. | Vehicle Maintenance | — |
| Jan 15, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Jan 12, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Jan 12, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Jan 12, 2026 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |