Horizontal Drilling Rigs 2011 4,230 h United States, Corona, California
Other 2004 1,173 h United States, Los Angeles, California
Trenchers 2007 330 h United States, Redding, California
Trenchers 2015 1,229 h United States, Norwalk, California
Skid Steer Loaders 2006 2,948 h United States, Los Angeles, California
Rock and Concrete Saws 1992 United States, Ventura, California