Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* Lawyer Dennis M. Gannan, Practice Areas Business Attorneys. is located in the city of Troy, the state of Michigan. Attorney legal address Dennis M. Gannan PLLC2265 Livernois Rd Ste 500Troy, MI, 48083-1663. For more information, please call (248) 362-3870 Your comments* (not for publishing) * — Required information Dennis M. Gannan ← View details Dennis M. Gannan PLLC2265 Livernois Rd Ste 500Troy, MI, 48083-1663, Troy, Michigan (248) 362-3870