JEFFREY RALPH ROCK is a motor carrier based in MARINE CITY, MI registered with the Federal Motor Carrier Safety Administration under USDOT number 1816174. The company has been registered with the FMCSA since September 2008, a span of roughly 17 years. JEFFREY RALPH ROCK reports a fleet of 1 power unit and 1 driver to the FMCSA. Cargo carried includes Other.
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