DM
DWYER MARBLE & STONE SUPPLY
CarrierIntel Score: 75/100. 22 inspection violations in the past 12 months. Updated Oct 2026.
DOT 1126808ActiveInterstateFARMINGTON HILLS, MI
COMPANY
Authority since
—
MCS-150
2026-10-09 · 581,281 mi (2025)
Fleet
17 units · 5 trailers · 14 drivers
Annual mileage (VMT)
581,281 mi (2025)
ADDRESS
Physical
23163 COMMERCE DRIVE
FARMINGTON HILLS, MI 48335
FARMINGTON HILLS, MI 48335
Mailing
Same as physical
CONTACT
Phone
2484764944
Email
tim.dwyer@dwyermarble.com
OFFICERS
Primary Officer
JOHN DWYER
Title
VP
OPERATION & CARGO
Operation classification
Private Property
Specialty
Construction & Building Materials
Cargo types
3
Building MaterialsConstructionOther: MARBLE & STONE
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
281 mo
Since USDOT registration
INSURANCE
Insurance not verified
Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
RISK GRADE
Minimal Risk
0 risk factors · 3 strengths
OOS RATE
11.8%
4 / 34 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
75
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 3 strengths · 4 data pointsSAFETY PERFORMANCE
Crash Record
4 crashes · 0 fatal · 1 with injuries · 3 tow-away
Clean Inspection Rate
88% — 30 clean of 34 inspections
Out-of-Service Rate
11.8% — driver OOS 2 insp., vehicle OOS 2 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
No operating authority on file
Out-of-service orders
None on record
Authority Events
No authority history events
MCS-150 Filing
Last filed 2026-10-09
INSURANCE
Active Coverage
Insurance not verified — Federal insurance records may not cover this carrier's operation type. Verify coverage through state records or the insurer.
SUMMARY
Low OOS rate 7% (last 24 mo)
Low crash rate (2.9 per 100 trucks/yr)
88% clean inspections
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