Heavy Drills 2018 2,224 h United States, Ludlow, Massachusetts
Surface drill rigs 2020 726 h United States, Conroe, Texas
Surface drill rigs 2011 United States, Mifflinburg, Pennsylvania
Horizontal Drilling Rigs 2009 United States, Mifflinburg, Pennsylvania
Surface drill rigs 2004 United States, Pittston, Pennsylvania
Anchor drill rigs 2015 6,663 h United States, Houston
Drilling equipment accessories and parts 1999 United States, Lynden, Washington
Anchor drill rigs 2015 3,185 h United States, Conroe