About CONAG: ConAg is loed at 16672 County Road 66A in Saint Marys, OH Auglaize County and is a business listed in the egories Crushed Stone Rock, Building Materials General, Stone Rock Quarries, Lime Limestone, Other Building Materials, Dimension Stone Mining And Quarrying, Stone Crushed, Other Building Material Dealers, Quarries, Stone Crushed Wholesale, Lumber Other ...