Carrier profile · USDOT 3168539 · MC-116396 · Updated Jul 17, 2026
QUARTZ TRANSPORTATION LLC
38 power unitsavg 7.4 yrRegional · 3 statesRANCHO CUCAMONGA, CA81/100
CARRIER ACTIVEMC-116396 ACTIVE
Identity & Federal
The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.
Location
- Physical address
- 9647 8TH ST, RANCHO CUCAMONGA, CA, 91730
- Operation
- Interstate
Contact
- Phone
- (909) 265-0251
- martinez@qtllc.com
- Web domain
- qtllc.com
Registration
- Officers
- Cindy Martinez · Sherry Rostani
- USDOT / docket
- 3168539 · MC-116396
- First registered
- Aug 2, 2018
- Last MCS-150
- Jul 14, 2026 · 1,513,946 mi (2025)
- FMCSA safety rating
- Not rated
- Recordable crash rate
- 1.14
- D-U-N-S
- —
Fleet (self-reported · MCS-150)
MCS-150 filing history· biennial-update cadence
Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.
Federal record activity· monitored daily by Vektor
No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.