Dwyer Marble & Stone Supply is an active interstate carrier based in Farmington Hills, MI.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 10 | 0 | 0 |
| Tractors | 7 | 0 | 0 |
| Trailers | 5 | 0 | 0 |
| Total Power Units | 17 | ||
Distinct vehicles · 24 mo
vs 17 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 82% | 95% | Worse than most peers |
| HOS Compliance | 88% | 98% | Worse than most peers |
| Driver Fitness | 83% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 61% | 92% | 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 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2026 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 15, 2026 | WI | STRAIGHT TRUCK | 1 | 0 |
| Aug 27, 2026 | MI | STRAIGHT TRUCK | 0 | 0 |
| Aug 27, 2026 | KY | STRAIGHT TRUCK | 0 | 0 |
| Jul 17, 2026 | IN | STRAIGHT TRUCK | 2 | 0 |
| Jul 16, 2026 |
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Carriers that share an officer, phone, or email with this DOT.
Shared officer · 6
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 5 | 2.78 | — |
| HOS Compliance | 2 | 0.14 | — |
| Vehicle Maintenance | 5 | 1.40 | — |
| Driver Fitness | 2 | 0.35 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state IN accounts for 39% of activity. Activity outside home state (MI): 61%.
| Vehicle Maintenance | 10 | 3 | 2 |
| Unsafe Driving | 6 | 1 | 0 |
| Driver Fitness | 5 | 1 | 2 |
| Hours-of-Service Compliance | 2 | 1 | 0 |
| MI |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jun 15, 2026 | IN | STRAIGHT TRUCK | 0 | 0 |
| Jun 8, 2026 | MI | TRUCK TRACTOR | 3 | 0 |
| Apr 13, 2026 | IN | STRAIGHT TRUCK | 0 | 0 |
| Apr 8, 2026 | MI | STRAIGHT TRUCK | 0 | 0 |
| Mar 11, 2026 | IN | STRAIGHT TRUCK | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 15, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Jul 17, 2026 | 3922SLLILC | State/Local Laws - Improper lane change | Unsafe Driving | — |
| Jul 17, 2026 | 3922SLLLR | State/Local Laws - Lane restriction violation | Unsafe Driving | — |
| Jun 8, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jun 8, 2026 | 393104BC | Cargo - Damaged securement devices/tiedowns | Vehicle Maintenance | — |
| Jun 8, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Feb 20, 2026 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Feb 12, 2026 | 3922SLLTCD | State/Local Laws - Failed to obey a traffic control device - Permanent or Temporary - e.g. safety official signal sign light lane marking other | Unsafe Driving | — |
| Nov 20, 2025 | 39282DUMT | Driver - Using a hand-held mobile telephone | Unsafe Driving | — |
| Aug 29, 2025 | 38351ASOUT | Driving a CMV while CDL is suspended for safety-related or unknown reason and outside the state of driver's license issuance | Driver Fitness | Yes |
Walter A Dwyer Inc
Ambler, PA
John Dwyer · also at 6 others