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Rock Werks Llc (DOT# 3891996) – FMCSA Carrier Profile

DOT# 3891996● Active
Updated: 2026-03-09

Rock Werks Llc is a registered motor carrier with the FMCSA under USDOT number 3891996. The company operates from Casa Grande, AZ and maintains an active operating status with 13 power units and 8 drivers on record.

Safety Rating

FMCSA Safety Rating
— Not Rated

No formal safety rating has been assigned to Rock Werks Llc by the FMCSA. View official FMCSA record →

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Company Information

Address2150 N Pinal Ave, Casa Grande, AZ, 85122-6208
Phone(480) 440-7608
EmailMARK@ROCK-WERKS.COM
Entity TypePrivate Property
OperationIntrastate (Non-Hazmat)
Power Units13
Drivers8
MCS-150 FiledMay 28, 2022
All carriers in Arizona→Carriers in Casa Grande, AZ→

Inspection Summary

All-time Inspections
All-time
7
Total
0
OOS
0
Driver OOS
0
Vehicle OOS
OOS Rate0.00%
The out-of-service (OOS) rate represents the percentage of inspections that resulted in the carrier being placed out of service.
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Frequently Asked Questions

What is USDOT Number 3891996?
USDOT number 3891996 is assigned to Rock Werks Llc, an active motor carrier registered with the FMCSA, based in Casa Grande, AZ.
How many inspections has Rock Werks Llc had?
Rock Werks Llc has recorded 7 total inspections with 0 out-of-service orders, representing an OOS rate of 0.00%.
Where is Rock Werks Llc located?
Rock Werks Llc is headquartered at 2150 N Pinal Ave, Casa Grande, AZ 85122-6208.

Data sourced from the FMCSA Open Data Portal. Updated monthly. DOT# 3891996 · Last updated: 2026-03-09. View official FMCSA record →