The Dynasty Continues - 'D3" Celebrates 20 Years The Dynasty Continues - 'D3" Celebrates 20 Years Courtney Westlake / Tuesday, June 8, 2021 0 1790 Article rating: 4.0 Over the last 20 years, David O’Shea III has seen O’Shea Builders grow from a small family operation in Springfield to a leader throughout Illinois. And when he says “leader,” he’s not only talking about construction. Read more