DBA: Keystone Concrete Block
Keystone Concrete Block & Supply Co Inc is an active interstate carrier based in Scranton, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 6 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 10 | ||
Distinct vehicles · 24 mo
vs 10 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 | 78% | 90% | 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 | 84% | 92% | 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 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 10 | 1 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 10, 2025 | PA | TRUCK TRACTOR | 5 | 2 |
| Jun 23, 2025 | PA | STRAIGHT TRUCK | 4 | 2 |
| May 5, 2025 | PA | STRAIGHT TRUCK | 0 | 0 |
| Feb 21, 2025 | PA | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 1.40 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 4 | 8.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state PA accounts for 91% of activity. Activity outside home state (PA): 9%.
| Unsafe Driving |
| 1 |
| 1 |
| 0 |
| Dec 3, 2024 |
| PA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Sep 16, 2024 | PA | STRAIGHT TRUCK | 1 | 1 |
| Sep 11, 2024 | PA | STRAIGHT TRUCK | 0 | 0 |
| Sep 5, 2024 | PA | STRAIGHT TRUCK | 0 | 0 |
| Aug 8, 2024 | NY | TRUCK TRACTOR | 0 | 0 |
| Jul 1, 2024 | PA | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 10, 2025 | 39345DBAAL | Air Brake - Audible air leak at other than a proper connection | Vehicle Maintenance | Yes |
| Sep 10, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Sep 10, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Sep 10, 2025 | 3963A1ALBV | Air Brake - Any leak from a brake valve | Vehicle Maintenance | — |
| Sep 10, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Jun 23, 2025 | 39216D | Driver - Failed to use seat belt while operating a CMV | Unsafe Driving | — |
| Jun 23, 2025 | 3929A2C | Cargo - Vehicle components or dunnage not secured | Vehicle Maintenance | Yes |
| Jun 23, 2025 | 393209ESPSLA | Steering - Power steering leaking anywhere. | Vehicle Maintenance | — |
| Jun 23, 2025 | 39355C2B | Air Brake - CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system. System does not function or indicates | Vehicle Maintenance | — |
| Sep 16, 2024 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | Yes |