DBA: Preston Companies
Preston Pipelines Inc is an active intrastate hazmat carrier based in Milpitas, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 85 | 0 | 0 |
| Tractors | 5 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 94 | ||
Distinct vehicles · 24 mo
vs 94 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 51% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 85% | 97% | Worse than most peers |
| Controlled Substances | 99% | 100% | Worse than most peers |
| Vehicle Maintenance | 43% | 84% | Around peer average |
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 | 5 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 19 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 25, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Mar 18, 2026 | CA | STRAIGHT TRUCK | 1 | 0 |
| Mar 10, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 17, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Feb 12, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.08 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 15 | 1.41 | — |
| Driver Fitness | 3 | 0.32 | — |
| Controlled Substances | 1 | 0.08 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state CA accounts for 100% of activity. Activity outside home state (CA): 0%.
| 7 |
| 5 |
| Driver Fitness | 3 | 2 | 3 |
| Unsafe Driving | 2 | 0 | 0 |
| Controlled Substances/​Alcohol | 1 | 1 | 1 |
| CA |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Feb 2, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 30, 2026 | CA | STRAIGHT TRUCK | 0 | 0 |
| Jan 22, 2026 | CA | STRAIGHT TRUCK | 3 | 1 |
| Dec 18, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Nov 5, 2025 | CA | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Jan 22, 2026 | 39111B2Q | Driver cannot satisfy the English language proficiency requirements of 391.11(b)(2) as per FMCSA Enforcement Guidance Memo MC-SEE-2025-0001. Driver failed the I | Driver Fitness | Yes |
| Jan 22, 2026 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jan 22, 2026 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Aug 26, 2025 | 393110B3C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet | Vehicle Maintenance | Yes |
| Aug 26, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Jul 24, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Jun 10, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Jun 2, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | — |
| Apr 8, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |