CarrierIntel Score: 78/100. 1 inspection violation in the past 12 months. Updated Oct 2026.
DOT 1034660MC 434381ActiveMotor CarrierInterstateGreat West Casualty Co · $1,000,000 · 1 policyTRACY, CA
COMPANY
Authority since
2002-06-21
MCS-150
2026-09-29 · 169,770 mi (2025)
Fleet
2 units · 2 trailers · 8 drivers
Annual mileage (VMT)
169,770 mi (2025)
ADDRESS
Physical
3974 TROPAZ LN TRACY, CA 95377
Mailing
Same as physical
CONTACT
Phone
2096099004
Email
maintrans@att.net
OFFICERS
Primary Officer
FRANK PEREZ
Title
PRESIDENT
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Construction & Building Materials
Cargo types
11
General FreightMetal: Sheets, Coils, RollsLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsGrain, Feed, HayCommodities Dry BulkPaper ProductsUtilityFarm SuppliesConstruction
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
292 mo
Active authority
INSURANCE
1 active
Great West Casualty Co
RISK GRADE
Minimal Risk
0 risk factors · 4 strengths
OOS RATE
8.3%
1 / 12 inspections
CarrierIntel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
78
out of 100
Good
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspections