ROCK TRANSFER & STORAGE INC
AUTHORIZEDUSDOT
222303
MC Number
154255
Fleet Size
40
Total Drivers
50
Last updated: March 16, 2026
Broker verification report
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Safety overview
ROCK TRANSFER & STORAGE INC is a mid-size interstate motor carrier based in MILWAUKEE, Wisconsin, operating 40 power units with 50 drivers. CarrierOwl is currently validating BASIC percentile display against the official FMCSA SMS portal; use the inspection, out-of-service, crash, authority, and insurance data below as the primary public safety indicators on this page. Their driver out-of-service rate of 2.4% comes in under the 5.51% national average. They have 6 crashes on file (2 with injuries). FMCSA records show 42 inspections for this carrier.
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BASIC scores
Under reviewCarrierOwl is validating BASIC percentile calculations against the official FMCSA SMS portal. Until that review is complete, use FMCSA directly for current BASIC percentiles and use the inspection, out-of-service, crash, authority, and insurance data on this page as supporting indicators.
BASIC percentile display is temporarily paused while we validate CarrierOwl's methodology against the official FMCSA SMS portal.
Out-of-service rates vs. national average
An out-of-service order means the driver or vehicle was pulled from operation during a roadside inspection.
For reference, the average driver OOS rate in Wisconsin is 8.1% and the average vehicle OOS rate is 27.4% across 62,850 carriers.
Company details
- Entity Type
- N/A
- Carrier Operation
- Interstate
- Operation Classification
- Authorized For Hire
- Cargo Carried
- N
- Hazmat
- No
- Safety Rating Date
- N/A
Inspections
42
Total
62%
Driver %
Insurance on file
Liability (BIPD)
GREAT WEST CASUALTY CO. — eff. Sep 1, 2025
Cargo
RLI INSURANCE COMPANY — eff. Jan 1, 2011
Surety Bond
Not on file
Trust Fund
Not on file
Crash history
6
Total Crashes
Similar carriers in Wisconsin
Other carriers in the same state with a similar fleet size.
RELIABLE DOOR AND DOCK INC
NORDQUIST TRUCKING INC
ELEXCO INC
TOWER MRL LLC
HOFFMAN CONSTRUCTION COMPANY
Frequently asked questions
Is ROCK TRANSFER & STORAGE INC authorized to operate?
Yes. ROCK TRANSFER & STORAGE INC (USDOT #222303) currently holds "AUTHORIZED" status with FMCSA. They're registered as an interstate carrier.
What is ROCK TRANSFER & STORAGE INC's safety record?
ROCK TRANSFER & STORAGE INC has 42 inspections on file and 6 crashes on record. They do not show a formal FMCSA safety rating in CarrierOwl's current data. CarrierOwl is validating BASIC percentile display against the official FMCSA SMS portal, so brokers should verify current BASIC percentiles directly with FMCSA before relying on them.
How many trucks does ROCK TRANSFER & STORAGE INC operate?
ROCK TRANSFER & STORAGE INC operates 40 power units with 50 drivers on file. That puts them in the mid-size range.
Does ROCK TRANSFER & STORAGE INC transport hazardous materials?
No. ROCK TRANSFER & STORAGE INC does not have a hazardous materials flag in the FMCSA database.
Where is ROCK TRANSFER & STORAGE INC located?
ROCK TRANSFER & STORAGE INC is based in MILWAUKEE, Wisconsin at 6130 S 13TH ST, 53221. Phone: (414) 570-2180.
What are ROCK TRANSFER & STORAGE INC's out-of-service rates?
ROCK TRANSFER & STORAGE INC's driver out-of-service rate is 2.4%, compared to the national average of 5.51%. Below average, which is a good sign. Their vehicle out-of-service rate is 23.1% (national average: 20.72%).