Portner Trucking Llc is an active interstate carrier based in Thurmont, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 8 | 11 | 0 |
| Trailers | 15 | 1 | 0 |
| Total Power Units | 22 | ||
Distinct vehicles · 24 mo
vs 22 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 94% | 92% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 60% | 87% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 74% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 15 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 0 | 3 | 1 | 1 |
| Apr 1, 2025 | 1 | 0 | 1 | 1 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 2 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 43 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | MD | TRUCK TRACTOR | 5 | 2 |
| Feb 3, 2026 | MD | TRUCK TRACTOR | 0 | 0 |
| Jan 21, 2026 | MD | TRUCK TRACTOR | 0 | 0 |
| Jan 6, 2026 | MD | TRUCK TRACTOR | 1 | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 2.86 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 20 | 4.28 | — |
| Driver Fitness | 3 | 0.17 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 6 states. Top state MD accounts for 79% of activity. Activity outside home state (MD): 21%.
+1 other state with fewer inspections
| 18 |
| Unsafe Driving | 5 | 4 | 0 |
| Driver Fitness | 3 | 1 | 3 |
| Dec 31, 2025 |
| MD |
| STRAIGHT TRUCK |
| 1 |
| 0 |
| Dec 8, 2025 | MD | TRUCK TRACTOR | 0 | 0 |
| Nov 12, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Nov 12, 2025 | SC | TRUCK TRACTOR | 0 | 0 |
| Oct 7, 2025 | MD | STRAIGHT TRUCK | 0 | 0 |
| Oct 6, 2025 | MD | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 12, 2026 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Feb 12, 2026 | 393110B3C | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo longer than 10 feet | Vehicle Maintenance | Yes |
| Feb 12, 2026 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Feb 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 |
| Feb 12, 2026 | 39375CTAOTDLT232 | Tires - Less than 2/32 inch tread depth | Vehicle Maintenance | — |
| Jan 6, 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 |
| Dec 31, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Sep 10, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Sep 10, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 12, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |