Carrierintel Safety Score: 64/100. 55 inspection violations in 12 months. Last inspected Sep 2026.
DOT 693463MC 321870ActiveMotor CarrierInterstateGreat West Casualty Co +1 · $1,005,000 · 2 policiesLOCKPORT, IL
COMPANY
Authority since
1997-07-28
MCS-150
2025-07-22 · 4,400,000 mi (2025)
Fleet
67 units · — trailers · 123 drivers
Annual mileage (VMT)
4,400,000 mi (2025)
ADDRESS
Physical
14715 NEW AVENUE LOCKPORT, IL 60441
Mailing
Same as physical
CONTACT
Phone
8158340000
Email
tom.dinaso@mcmahontransport.com
OFFICERS
Primary Officer
JOHN L. MCMAHON
Title
PRINCIPAL
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Tanker / Bulk Liquids
Cargo types
1
Liquids / Gases
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
351 mo
Active authority
INSURANCE
2 active
Great West Casualty Co
RISK GRADE
Moderate Risk
3 risk factors · 3 strengths
OOS RATE
10.4%
14 / 135 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
64
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections