SA
STM AUTO INC
CarrierIntel Score: 50/100. 52 inspection violations in the past 12 months. Updated Oct 2026.
DOT 3084301MC 68438ActiveMotor CarrierInterstateCentral Mutual Insurance Company · $1,000,000 · 1 policyANN ARBOR, MI
COMPANY
Authority since
2018-03-12
MCS-150
2025-12-01 · 920,000 mi (2025)
Fleet
9 units · 11 trailers · 10 drivers
Annual mileage (VMT)
920,000 mi (2025)
ADDRESS
Physical
2925 BRAEBURN CIRCLE
ANN ARBOR, MI 48108
ANN ARBOR, MI 48108
Mailing
Same as physical
CONTACT
Phone
7349996962
Email
stmautoinc@gmail.com
OFFICERS
Primary Officer
SEBASTIAN MERCA
Title
OWNER
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
General Freight
Cargo types
1
General Freight
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
103 mo
Active authority
INSURANCE
1 active
Central Mutual Insurance Company
RISK GRADE
Elevated Risk
3 risk factors · 2 strengths
OOS RATE
20.4%
10 / 49 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
50
out of 100
Below Average
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Elevated Risk
3 risk factors · 2 strengths · 5 data pointsSAFETY PERFORMANCE
Crash Record
4 crashes · 0 fatal · 0 with injuries · 4 tow-away
Clean Inspection Rate
80% — 39 clean of 49 inspections
Out-of-Service Rate
20.4% — driver OOS 2 insp., vehicle OOS 9 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
2 historical event(s) on file
MCS-150 Filing
Last filed 2025-12-01
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $1,000,000
SUMMARY
Elevated OOS rate 19% (last 24 mo)
16.7 crashes per 100 trucks/yr — well above norm
3.2 violations per inspection
Active insurance on file
Coverage $1.0M
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