Zum Mallen Rock & Grain Corporation is an active interstate carrier based in Okarche, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 16 | 0 | 0 |
| Tractors | 6 | 10 | 0 |
| Trailers | 32 | 0 | 0 |
| Total Power Units | 16 | ||
Distinct vehicles · 24 mo
vs 16 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 | 87% | 93% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 49% | 84% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 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 | 4 | 2 | 2 |
| Unsafe Driving | 2 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 23, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Feb 5, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Jan 12, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Jan 5, 2026 | OK | TRUCK TRACTOR |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 1.60 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 1.87 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state OK accounts for 83% of activity. Activity outside home state (OK): 17%.
| 0 |
| 0 |
| 0 |
| Dec 30, 2025 | OK | TRUCK TRACTOR | 1 | 0 |
| Dec 18, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Dec 9, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Nov 28, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Nov 26, 2025 | OK | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 30, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Nov 13, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 20, 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 |
| Oct 20, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Sep 24, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Mar 17, 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 |