Yywz Inc is an active interstate carrier based in Upland, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 0 | 0 | 6 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 96% | 98% | Worse than most peers |
| HOS Compliance | 92% | 96% | Worse than most peers |
| Driver Fitness | 94% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 94% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 23 | 5 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 17, 2026 | CA | TRUCK TRACTOR | 1 | 0 |
| Jan 7, 2026 | UT | TRUCK TRACTOR | 1 | 1 |
| Jan 5, 2026 | TX | TRUCK TRACTOR | 5 | 0 |
Carriers that share an officer, phone, or email with this DOT.
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 14.37 | — |
| HOS Compliance | 6 | 4.56 | — |
| Vehicle Maintenance | 6 | 10.47 | — |
| Driver Fitness | 2 | 1.56 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 7 states. Top state CA accounts for 40% of activity. Activity outside home state (CA): 60%.
+2 other states with fewer inspections
| Hours-of-Service Compliance | 7 | 0 | 1 |
| Unsafe Driving | 3 | 1 | 0 |
| Driver Fitness | 1 | 0 | 1 |
| Oct 29, 2025 |
| AZ |
| TRUCK TRACTOR |
| 10 |
| 2 |
| Oct 15, 2025 | SC | TRUCK TRACTOR | 4 | 0 |
| Apr 28, 2025 | GA | TRUCK TRACTOR | 1 | 0 |
| Jan 27, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Jan 4, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Aug 29, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Jan 7, 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 5, 2026 | 39311TL | Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 | Vehicle Maintenance | — |
| Jan 5, 2026 | 39330 | Improper battery installation | Vehicle Maintenance | — |
| Jan 5, 2026 | 39345PC | Brake Tubing and Hose Adequacy - Connections to Power Unit | Vehicle Maintenance | — |
| Jan 5, 2026 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Jan 5, 2026 | 3965BHWSLOW | Hubs - Wheel seal leaking - outer wheel | Vehicle Maintenance | — |
| Oct 29, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Oct 29, 2025 | 39311A1CSURR | Conspicuity Systems - Truck tractor upper rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Oct 29, 2025 | 39311A1LCHL | Lighting - Lamps improper color height location. | Vehicle Maintenance | — |