Square 1 Enterprises Corp is an active interstate carrier based in Roselle, IL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 1 | 0 | 1 |
| Trailers | 1 | 1 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 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 | 0% | 0% | Better 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 | 93% | 94% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 3 states. Top state MN accounts for 33% of activity. Activity outside home state (IL): 100%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 1 | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 25, 2026 | NE | TRUCK TRACTOR | 1 | 1 |
| Oct 3, 2025 | MN | TRUCK TRACTOR | 0 | 0 |
| May 17, 2024 | UT | TRUCK TRACTOR | 0 | 0 |
| Date | Code |
|---|
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 3
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 10.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Feb 25, 2026 | 39375A3TAOLTIS | Tires - All others leaking in tread area and inflation less than 50% of the maximum inflation pressure on tire equipped with ATIS | Vehicle Maintenance | Yes |
(630) 824-8997 · also at 5 others