Monster Services Llc is an active interstate carrier based in Elk City, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 27 | 0 | 0 |
| Tractors | 27 | 0 | 0 |
| Trailers | 53 | 0 | 0 |
| Total Power Units | 27 | ||
Distinct vehicles · 24 mo
vs 27 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 77% | 92% | Worse than most peers |
| HOS Compliance | 89% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 42% | 83% | Around peer average |
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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Jan 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Hours-of-Service Compliance |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 12, 2026 | OK | STRAIGHT TRUCK | 0 | 0 |
| Mar 10, 2026 | KS | TRUCK TRACTOR | 2 | 0 |
| Feb 9, 2026 | AZ | TRUCK TRACTOR | 1 | 1 |
| Feb 5, 2026 | AZ | TRUCK TRACTOR | 1 | 1 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 0.74 | — |
| HOS Compliance | 3 | 0.85 | — |
| Vehicle Maintenance | 4 | 1.12 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 8 states. Top state OK accounts for 55% of activity. Activity outside home state (OK): 45%.
+3 other states with fewer inspections
| 4 |
| 1 |
| 2 |
| Unsafe Driving | 4 | 0 | 0 |
| Vehicle Maintenance | 4 | 2 | 2 |
| Jan 23, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Dec 12, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Dec 10, 2025 | KY | TRUCK TRACTOR | 0 | 0 |
| Nov 25, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Nov 11, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Oct 9, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 10, 2026 | 39524C2IIIELDSDN | HOS (ELD) - Driver failing to manually input or verify shipping document number. | Hours-of-Service Compliance | — |
| Mar 10, 2026 | 3953A3II | Driving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper period of at least 30 minutes | Hours-of-Service Compliance | — |
| Feb 9, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Feb 5, 2026 | 3958A1HOSP | HOS (Property) - Failing to have a record of duty status using the method prescribed | Hours-of-Service Compliance | Yes |
| Sep 24, 2025 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |
| Sep 19, 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 |
| Sep 12, 2025 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Apr 23, 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 |
| Apr 8, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jul 10, 2024 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |