Porter W Yett Company is an active interstate carrier based in Portland, OR.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 21 | 0 | 0 |
| Tractors | 8 | 0 | 0 |
| Trailers | 11 | 0 | 0 |
| Total Power Units | 29 | ||
Distinct vehicles · 24 mo
vs 29 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 82% | 96% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 81% | 94% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 8 | — | 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 | 22 | 6 | 9 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | WA | TRUCK TRACTOR | 1 | 1 |
| Dec 19, 2025 | WA | TRUCK TRACTOR | 0 | 0 |
| Dec 17, 2025 | WA | TRUCK TRACTOR | 1 | 0 |
| Dec 5, 2025 | OR | STRAIGHT TRUCK | 0 | 0 |
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| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 0.10 | — |
| Vehicle Maintenance | 9 | 7.82 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state WA accounts for 50% of activity. Activity outside home state (OR): 79%.
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Oct 28, 2025 |
| WA |
| TRUCK TRACTOR |
| 4 |
| 1 |
| Aug 8, 2025 | MT | STRAIGHT TRUCK | 1 | 1 |
| Jul 22, 2025 | OR | TRUCK TRACTOR | 1 | 0 |
| May 7, 2025 | WA | TRUCK TRACTOR | 9 | 4 |
| Apr 12, 2025 | MT | TRUCK TRACTOR | 0 | 0 |
| Dec 2, 2024 | OR | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 16, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Dec 17, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Oct 28, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Oct 28, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Oct 28, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Oct 28, 2025 | 3963A1BALR | Air Brake - Fails air loss rate test | Vehicle Maintenance | Yes |
| Aug 8, 2025 | 39351CBLPW | Air Brake - Low pressure warning device missing/inoperative | Vehicle Maintenance | Yes |
| Jul 22, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| May 7, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| May 7, 2025 | 393100CC | Cargo - Cargo not secured against shifting | Vehicle Maintenance | — |