John Darr Mechanical Inc is a motor carrier overseen by the Michigan Federal Motor Carrier Safety Administration. Their physical address is 293 Dina Dr, Ann Arbor, MI 48103 US. Their mailing address is 293 Dina Dr, Ann Arbor, MI 48103 US. You can contact them by calling (734) 424-9934. The company uses 2 power units. They employ a total of 4 drivers. They were added to the Motor Carrier Management Information System index on January 27, 2009 and their USDOT number is 1848928. John Darr Mechanical Inc has self-identified their type of operation as "intrastate non-hazmat".