Knowlton And Sons Masonry Construction Inc is an active interstate carrier based in Clifford Township, PA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Trailers | 4 | 0 | 0 |
| Total Power Units | 9 | ||
Distinct vehicles · 24 mo
vs 9 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 | 97% | 98% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 64% | 84% | 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 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 17, 2025 | PA | STRAIGHT TRUCK | 0 | 0 |
| Sep 24, 2025 | PA | STRAIGHT TRUCK | 0 | 0 |
| Mar 31, 2025 | PA | STRAIGHT TRUCK | 4 | 1 |
| Mar 6, 2025 | PA | STRAIGHT TRUCK | 0 | 0 |
| Feb 4, 2025 |
Aaron Scott Ransom
No alertsClifford Township, PA
Bonbay Environmental Services Llc
No alertsClifford Township, PA · 1 units
Braddley Swetter
No alertsClifford Township, PA · 2 units
Brian Demming Construction
No alertsClifford Township, PA · 1 units
Brozonis Excavating Inc
No alertsClifford Township, PA · 3 units
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 2 | 2.77 | — |
| Driver Fitness | 2 | 3.20 | — |
| Controlled Substances | 0 | 0.00 | — |
| Driver Fitness |
| 3 |
| 2 |
| 2 |
| NY |
| STRAIGHT TRUCK |
| 0 |
| 1 |
| Jun 19, 2024 | PA | STRAIGHT TRUCK | 3 | 2 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 31, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness | Yes |
| Mar 31, 2025 | 39141AF | Operating a property-carrying vehicle without possessing a valid medical certificate. | Driver Fitness | — |
| Mar 31, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Mar 31, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Jun 19, 2024 | 38323A2 | Operating a CMV without a CDL | Driver Fitness | Yes |
| Jun 19, 2024 | 393100B | Leaking/spilling/blowing/falling cargo | Vehicle Maintenance | Yes |
| Jun 19, 2024 | 3969D2 | Failure to correct defects noted on previous inspection report | Vehicle Maintenance | — |