United Tree Service Llc is an active intrastate hazmat carrier based in Glen Burnie, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 7 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 7 | ||
Distinct vehicles · 24 mo
vs 7 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 98% | 98% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 88% | 93% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 93% | 95% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 17 | — | 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 | 67 | 18 | 21 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 24, 2026 | MD | STRAIGHT TRUCK | 1 | 1 |
| Jan 15, 2026 | MD | STRAIGHT TRUCK | 2 | 1 |
| Oct 7, 2025 | MD | STRAIGHT TRUCK | 7 | 2 |
| Oct 1, 2025 | MD | STRAIGHT TRUCK |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 8
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 11.16 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 18 | 14.03 | — |
| Driver Fitness | 4 | 1.84 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state MD accounts for 100% of activity. Activity outside home state (MD): 0%.
| Unsafe Driving |
| 4 |
| 3 |
| 0 |
| Driver Fitness | 3 | 3 | 3 |
| 0 |
| Sep 16, 2025 | MD | STRAIGHT TRUCK | 12 | 2 |
| Sep 12, 2025 | MD | STRAIGHT TRUCK | 6 | 0 |
| Aug 22, 2025 | MD | STRAIGHT TRUCK | 5 | 3 |
| Jul 12, 2025 | MD | STRAIGHT TRUCK | 2 | 1 |
| Jun 13, 2025 | MD | STRAIGHT TRUCK | 3 | 2 |
| Apr 8, 2025 | MD | STRAIGHT TRUCK | 4 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 24, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Jan 15, 2026 | 39341BNPB | Brake - Inoperative or missing parking brake on power unit | Vehicle Maintenance | Yes |
| Jan 15, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Oct 7, 2025 | 3922SLLCP | State/Local Laws - Operate a CMV while using a cellular phone | Unsafe Driving | — |
| Oct 7, 2025 | 393209DSTPAL | Steering - Pitman arm loose on the output shaft | Vehicle Maintenance | Yes |
| Oct 7, 2025 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Oct 7, 2025 | 39395A1 | Emergency Equipment - Fire Extinguishers - no fire extinguisher present or not properly rated. | Vehicle Maintenance | — |
| Oct 7, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 7, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Oct 7, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
Pedro Guerra Jr
Waxahachie, TX
Pedro Guerra · also at 8 others