QT
QUARTZ TRANSPORTATION LLC
CarrierIntel Score: 64/100. 159 inspection violations in the past 12 months. Updated Oct 2026.
DOT 3168539MC 116396ActiveMotor CarrierInterstateMS Transverse Specialty Insurance Company · $750,000 · 1 policyRANCHO CUCAMONGA, CA
COMPANY
Authority since
2018-09-17
MCS-150
2026-09-18 · 1,513,946 mi (2025)
Fleet
38 units · — trailers · 38 drivers
Annual mileage (VMT)
1,513,946 mi (2025)
ADDRESS
Physical
9647 8TH ST
RANCHO CUCAMONGA, CA 91730
RANCHO CUCAMONGA, CA 91730
Mailing
Same as physical
CONTACT
Phone
9092650251
Email
martinez@qtllc.com
OFFICERS
Primary Officer
SHERRY ROSTANI
Title
PRESIDENT
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Refrigerated / Produce
Cargo types
5
General FreightFresh ProduceIntermodal ContainersMeatRefrigerated Food
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
97 mo
Active authority
INSURANCE
1 active
MS Transverse Specialty Insurance Company
RISK GRADE
Moderate Risk
2 risk factors · 2 strengths
OOS RATE
24.0%
85 / 354 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 Checking local VIN index…
Moderate Risk
2 risk factors · 2 strengths · 4 data pointsSAFETY PERFORMANCE
Crash Record
14 crashes · 1 fatal · 7 with injuries · 14 tow-away
Clean Inspection Rate
76% — 269 clean of 354 inspections
Out-of-Service Rate
24.0% — driver OOS 10 insp., vehicle OOS 76 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier
Out-of-service orders
None on record
Authority Events
14 historical event(s) on file
MCS-150 Filing
Last filed 2026-09-18
INSURANCE
Active Coverage
1 policy(ies) on file · total max coverage $750,000
SUMMARY
1 fatal crash — most recent 4 yr ago
High OOS rate 26% (last 24 mo)
Low crash rate (1.3 per 100 trucks/yr)
Active insurance on file
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