DBA: Marathon Mail Service
Marathon Mail Service Inc is an active interstate carrier based in Wausau, WI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 28 | 0 | 0 |
| Tractors | 30 | 20 | 0 |
| Trailers | 45 | 4 | 0 |
| Total Power Units | 78 | ||
Distinct vehicles · 24 mo
vs 78 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 | 25% | 91% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 92% | 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 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 2 | 2 |
| Oct 1, 2024 | 0 | 1 | 1 | 1 |
| Jul 1, 2024 | 0 | 3 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 1, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Nov 18, 2025 | WI | STRAIGHT TRUCK | 5 | 5 |
| Aug 29, 2025 | WI | STRAIGHT TRUCK | 0 | 0 |
| Aug 29, 2025 | WI | TRUCK TRACTOR | 1 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.11 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 8.18 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Vehicle Maintenance |
| 5 |
| 3 |
| 4 |
| Unsafe Driving | 2 | 0 | 0 |
| Oct 2, 2024 |
| WI |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Aug 8, 2024 | WI | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 1, 2025 | 39214D | Driver - Failing to use extreme caution in a CMV when hazardous conditions exist | Unsafe Driving | — |
| Nov 18, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Nov 18, 2025 | 393207ASAPPAS | Suspension - Axle positioning part cracked/broken/loose/missing resulting in axle shift | Vehicle Maintenance | Yes |
| Nov 18, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance | — |
| Nov 18, 2025 | 39375A3TFL | Tires - Front leaking or inflation 50% or less than of the maximum inflation pressure | Vehicle Maintenance | Yes |
| Nov 18, 2025 | 3963A1F | Fuel - Dripping leak. | Vehicle Maintenance | Yes |
| Aug 29, 2025 | 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 | — |