M Korson & Co Inc is an active interstate carrier based in Somerville, MA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 0 | 0 |
| Tractors | 20 | 0 | 0 |
| Trailers | 25 | 0 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 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 | 92% | 92% | Worse than most peers |
| HOS Compliance | 95% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 91% | 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 | 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 |
|---|---|---|---|
| Unsafe Driving | 7 | 4 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 11, 2026 | NJ | TRUCK TRACTOR | 0 | 0 |
| Jan 27, 2026 | PA | TRUCK TRACTOR | 1 | 0 |
| Jan 14, 2026 | PA | TRUCK TRACTOR | 0 | 0 |
| Jan 14, 2026 | MD | TRUCK TRACTOR | 0 | 0 |
| Dec 17, 2025 |
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| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 3.30 | — |
| HOS Compliance | 3 | 0.72 | — |
| Vehicle Maintenance | 2 | 4.22 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 6 states. Top state CT accounts for 35% of activity. Activity outside home state (MA): 82%.
+1 other state with fewer inspections
| Vehicle Maintenance |
| 5 |
| 2 |
| 1 |
| Hours-of-Service Compliance | 4 | 1 | 0 |
| PA |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Dec 12, 2025 | CT | TRUCK TRACTOR | 0 | 0 |
| Oct 27, 2025 | MA | TRUCK TRACTOR | 0 | 0 |
| Sep 5, 2025 | MA | TRUCK TRACTOR | 0 | 0 |
| Apr 6, 2025 | CT | TRUCK TRACTOR | 3 | 0 |
| Nov 7, 2024 | CT | TRUCK TRACTOR | 4 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 27, 2026 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Dec 17, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Dec 17, 2025 | 39522H4ELDBRODS | HOS (ELD) - In-Vehicle Information - Failing to have a supply of blank driver's records of duty status graph-grids sufficient to record the driver's duty status a | Hours-of-Service Compliance | — |
| Apr 6, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |
| Apr 6, 2025 | 39530B1ELDDFR | HOS (ELD) - Driver failing to review records and certify the accuracy of the information. | Hours-of-Service Compliance | — |
| Apr 6, 2025 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Nov 7, 2024 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Nov 7, 2024 | 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 7, 2024 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Nov 7, 2024 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |