Horizontal Drilling Rigs 2017 2,500 h United States, Chesterfield, Missouri
Horizontal Drilling Rigs 2022 734 h United States, Chesterfield, Missouri
Drilling equipment accessories and parts United States, St. Charles, Missouri
Tunneling and underground mining drills 2002 United States, Weldon Spring, Missouri
Surface drill rigs 2,340 h United States, Scott City, Missouri