Trenchers 1992 1,827 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2013 3,152 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2015 United States, Boulder, Colorado
Horizontal Drilling Rigs 2013 3,964 h United States, Boulder, Colorado
Trenchers 2020 1,840 h United States, Watkins, Colorado
Other 2021 266 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2013 2,310 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2018 880 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2021 1,590 h United States, Boulder, Colorado
Trenchers 2013 2,022 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2018 4,400 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2018 2,224 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2010 6,054 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2019 1,450 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2018 4,178 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2006 United States, Boulder, Colorado
Other 2016 1,000 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2000 5,351 h United States, Boulder, Colorado
Horizontal Drilling Rigs 2011 United States, Boulder, Colorado