SIEG MASON CITY COMPANY is a motor carrier based in MASON CITY, IA registered with the Federal Motor Carrier Safety Administration under USDOT number 134006. The company has been registered with the FMCSA since June 1974, a span of roughly 52 years. SIEG MASON CITY COMPANY reports a fleet of 10 power units and 10 drivers to the FMCSA.
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