Twenty One Services is an active interstate carrier based in Hyattsville, MD.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 5 | 0 | 0 |
| Total Power Units | 5 | ||
Distinct vehicles · 24 mo
vs 5 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 | 74% | 88% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 77% | 88% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 87% | 92% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 3 | — | 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 | 25 | 14 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 18, 2026 | MD | STRAIGHT TRUCK | 6 | 0 |
| Feb 16, 2026 | DC | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | DC | STRAIGHT TRUCK | 0 | 0 |
| Dec 23, 2025 | DC | STRAIGHT TRUCK | 0 | 0 |
| Dec 17, 2025 |
Carriers that share an officer, phone, or email with this DOT.
Shared phone · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 5.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 9 | 10.12 | — |
| Driver Fitness | 1 | 0.25 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state DC accounts for 82% of activity. Activity outside home state (MD): 82%.
| Driver Fitness | 2 | 1 | 1 |
| Unsafe Driving | 1 | 0 | 0 |
| DC |
| STRAIGHT TRUCK |
| 3 |
| 0 |
| Dec 11, 2025 | DC | STRAIGHT TRUCK | 0 | 0 |
| Oct 22, 2025 | MD | TRUCK TRACTOR | 2 | 2 |
| Jul 28, 2025 | DC | STRAIGHT TRUCK | 0 | 0 |
| Jul 24, 2025 | DC | STRAIGHT TRUCK | 6 | 1 |
| Jun 3, 2025 | DC | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 18, 2026 | 39311A1LCL | Lighting - Clearance lamp(s) missing | Vehicle Maintenance | — |
| Feb 18, 2026 | 393205CWRAWFLMIB | Wheel/Rim - Any wheel fasteners loose/missing/ineffective/broken. | Vehicle Maintenance | — |
| Feb 18, 2026 | 393207CSLSB | Suspension - Leaf spring broken. | Vehicle Maintenance | — |
| Feb 18, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939ALCL | Lighting - Clearance lamp(s) inoperative | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Dec 17, 2025 | 39355D2B | Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1 2001 for towed vehicle. | Vehicle Maintenance | — |
| Dec 17, 2025 | 39395A4EEUS | Emergency Equipment - Fire Extinguishers - unsecured | Vehicle Maintenance | — |
| Dec 17, 2025 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Oct 22, 2025 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |