O'Conner Contracting LLC Back to Search O'Conner Contracting LLC 28 Glendale Ave , Hillsdale , MI , 49242-1525 oconnorcontractingmi.com oconnorcontractingmi.com oconnorcontractingmi.com oconnorcontractingmi.com oconnorcontractingmi.com oconnorcontractingmi.com oconnorcontractingmi.com Contacts Primary Colm Maines (none) Share × Print Email Facebook LinkedIn Twitter Pinterest Powered By GrowthZone