Cornerstone Excavating Llc is an active interstate carrier based in Saginaw, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 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 | 97% | 98% | 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 | 5 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 19 | 3 | 5 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 3, 2026 | TX | STRAIGHT TRUCK | 4 | 0 |
| Dec 5, 2025 | TX | STRAIGHT TRUCK | 7 | 3 |
| Mar 21, 2025 | TX | STRAIGHT TRUCK | 8 | 2 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 23.71 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Date |
|---|
| Code |
|---|
| Description |
|---|
| BASIC |
|---|
| OOS |
|---|
| Feb 3, 2026 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |
| Feb 3, 2026 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Feb 3, 2026 | 3939BRKLAMP | Inoperative Brake Lamps | Vehicle Maintenance | — |
| Feb 3, 2026 | 3939TS | Inoperative turn signal | Vehicle Maintenance | — |
| Dec 5, 2025 | 39343D | No or defective automatic trailer brake | Vehicle Maintenance | Yes |
| Dec 5, 2025 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Dec 5, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Dec 5, 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 |
| Dec 5, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Dec 5, 2025 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |