Diden Co is an active interstate carrier based in Darien, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 20 | 0 | 0 |
| Tractors | 20 | 0 | 0 |
| Trailers | 20 | 0 | 0 |
| Total Power Units | 20 | ||
Distinct vehicles · 24 mo
vs 20 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 67% | 88% | Around peer average |
| HOS Compliance | 49% | 85% | Around peer average |
| Driver Fitness | 72% | 91% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 42% | 80% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Unsafe Driving | 7 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 19, 2026 | AR | TRUCK TRACTOR | 1 | 0 |
| Dec 14, 2025 | GA | TRUCK TRACTOR | 1 | 0 |
| Nov 10, 2025 | FL | TRUCK TRACTOR | 0 | 0 |
| Oct 14, 2025 | NM | TRUCK TRACTOR | 0 | 0 |
| Oct 3, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 2.31 | — |
| HOS Compliance | 1 | 0.06 | — |
| Vehicle Maintenance | 5 | 2.56 | — |
| Driver Fitness | 1 | 0.13 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 17 states. Top state TN accounts for 15% of activity. Activity outside home state (IL): 92%.
+12 other states with fewer inspections
| Vehicle Maintenance |
| 6 |
| 1 |
| 1 |
| Driver Fitness | 1 | 0 | 1 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| GA |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Sep 30, 2025 | UT | TRUCK TRACTOR | 1 | 0 |
| Sep 16, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Aug 5, 2025 | WV | TRUCK TRACTOR | 1 | 0 |
| Jul 8, 2025 | SC | TRUCK TRACTOR | 0 | 0 |
| Jun 25, 2025 | IL | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 19, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Dec 14, 2025 | 3922SLLML | State/Local Laws - Failure to maintain lane | Unsafe Driving | — |
| Oct 3, 2025 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Oct 3, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |
| Sep 30, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Aug 5, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| May 1, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Apr 22, 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 |
| Dec 4, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Nov 18, 2024 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |