Cornerstone On-Site Concrete 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 | 18 | 0 | 0 |
| Tractors | 9 | 0 | 0 |
| Trailers | 9 | 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 | 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 | 91% | 90% | 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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 1 | 0 | 1 |
| Apr 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 15 | 2 | 3 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 14, 2026 | TX | STRAIGHT TRUCK | 6 | 2 |
| Nov 19, 2025 | TX | STRAIGHT TRUCK | 2 | 0 |
| Oct 20, 2025 | TX | STRAIGHT TRUCK | 4 | 0 |
| Apr 22, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 12.61 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| Apr 15, 2025 |
| TX |
| STRAIGHT TRUCK |
| 3 |
| 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 14, 2026 | 393100A | No or improper load securement | Vehicle Maintenance | Yes |
| Mar 14, 2026 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Mar 14, 2026 | 39345DLUV | Brake Connections with Leaks Under Vehicle | Vehicle Maintenance | — |
| Mar 14, 2026 | 39345UV | Brake Tubing and Hose Adequacy Under Vehicle | Vehicle Maintenance | — |
| Mar 14, 2026 | 39375GLOAD | Weight carried exceeds tire load limit | Vehicle Maintenance | Yes |
| Mar 14, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Nov 19, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Nov 19, 2025 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Oct 20, 2025 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |
| Oct 20, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |