Ten years ago , Precision Pipeline opened its doors as a small regional pipeline contractor . But times have changed , with successful work in Pennsylvania ’ s Marcellus Shale region propelling Precision Pipeline toward growth in step with the natural gas pipeline industry boom . Today Precision Pipeline operates as a subsidiary of MasTec , a multinational leader in engineering and construction for the oil , gas , and electricity sectors . Through it all , Precision Pipeline has stayed true to its core values high standards of safety , environmental stewardship , quality , and efficiency .