S1 Tree Services Inc is an active intrastate non-hazmat carrier based in Marlborough, MA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 88% | 91% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 99% | 99% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 97% | 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 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state MA accounts for 100% of activity. Activity outside home state (MA): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| May 19, 2025 | MA | STRAIGHT TRUCK | 5 | 3 |
| Nov 18, 2024 | MA | STRAIGHT TRUCK | 6 | 3 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 2.33 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 15.33 | — |
| Driver Fitness | 2 | 10.33 | — |
| Controlled Substances | 0 | 0.00 | — |
| Vehicle Maintenance |
| 6 |
| 3 |
| 4 |
| Driver Fitness | 4 | 1 | 2 |
| Unsafe Driving | 1 | 1 | 0 |
| May 19, 2025 |
| 3939ALSML |
| Lighting - Side marker lamp(s) inoperative |
| Vehicle Maintenance |
| — |
| May 19, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| May 19, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| May 19, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| May 19, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Nov 18, 2024 | 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 | — |
| Nov 18, 2024 | 39141AMCPC | Medical (Certificate) - Operating a commercial vehicle without showing proof of a valid medical certification upon request when medical certification is required. | Driver Fitness | — |
| Nov 18, 2024 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Nov 18, 2024 | 39343DBMA | Brake - Breakaway not attached to the towing vehicle | Vehicle Maintenance | Yes |
| Nov 18, 2024 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |