SI
SUMMIT INFRASTRUCTURE CONSULTING LLC
DOT 4517671MC 1812392ActiveMotor CarrierInterstatePROGRESSIVE CASUALTY INSURANCE COMPANY · $750,000 · 1 policyGAMBRILLS, MD
COMPANY
Authority since
2026-04-23
MCS-150
2026-04-29
Fleet
2 units · — trailers · 2 drivers
ADDRESS
Physical
750 MD ROUTE 3 S STE 17
GAMBRILLS, MD 21054-1317
GAMBRILLS, MD 21054-1317
Mailing
Same as physical
CONTACT
Phone
4104595841
Email
summitinfraconsulting@gmail.com
OFFICERS
Primary Officer
WILLIAM DAVIS COX 3RD
Title
CEO
Origin
Anglosphere
Origin candidates
English 83%
OPERATION & CARGO
Operation classification
Private Property · Authorized For Hire
Specialty
Intermodal / Drayage
Cargo types
2
General FreightIntermodal Containers
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
4 mo
Active authority
INSURANCE
1 active
PROGRESSIVE CASUALTY INSURANCE COMPANY
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 2026-04-29
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $750,000
SUMMARY
Active insurance on file
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