SI
SOUTHERN INDUSTRIAL SUPPLY OF WINSTON-SALEM
DOT 4434170MC 1745099ActiveMotor CarrierInterstateTHE CINCINNATI INSURANCE CO. · $750,000 · 1 policyWINSTON SALEM, NC
COMPANY
Authority since
2025-09-04
MCS-150
2026-04-09 · 4,000 mi (2025)
Fleet
2 units · — trailers · 4 drivers
Annual mileage (VMT)
4,000 mi (2025)
ADDRESS
Physical
5150 INDIANA AVE
WINSTON SALEM, NC 27106
WINSTON SALEM, NC 27106
Mailing
PO BOX 11526
WINSTON SALEM, NC 27116-1526
WINSTON SALEM, NC 27116-1526
CONTACT
Phone
3366611871
Email
southernindusbill@bellsouth.net
OFFICERS
Primary Officer
MATTHEW ALLEN WILLIAMS
Title
Unknown
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Heavy Haul / Oilfield
Cargo types
2
General FreightMachinery, Large Objects
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
13 mo
Active authority
INSURANCE
1 active
THE CINCINNATI INSURANCE CO.
RISK GRADE
Minimal Risk
0 risk factors · 1 strengths
OOS RATE
0.0%
0 / 0 inspections
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections Checking local VIN index…
Minimal Risk
0 risk factors · 1 strengths · 2 data pointsSAFETY PERFORMANCE
Crash Record
0 crashes · 0 fatal · 0 with injuries · 0 tow-away
Clean Inspection Rate
No inspection data
Out-of-Service Rate
—
COMPLIANCE & AUTHORITY
Operating Authority
Active operating authority on file
Authority Events
1 historical event(s) on file
MCS-150 Filing
Last filed 2026-04-09
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $750,000
SUMMARY
Active insurance on file
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