Boart Longyear diamond drilling firm; Brainard-Kilman, a maker of civil engineering devices, such as well monitoring and test equipment; and ChemGrout a mfg of cement grouting equipment. Longyear acquired Slope Indicator Company, the nation's largest producer of geotechnical instruments, and Northern Air Supply in 1988, followed by the Campbell Pacific Division in 1989 and WTD Environmental Drilling in 1990. Then in 1994, North Star Drilling Company, specializing in sonic drilling was acquired. On January 2, 1995, Boart International and the Longyear Company officially merged into a single company and changed its name to Boart Longyear Limited. At this point the two companies
Boart Longyear in the history of the ASX. The patented Stage™ waterway bit design was introduced and provided the first extended 25mm crown in the market. In 2008 Boart Longyear acquired Eklund Drilling, Britton Brothers, Aqua Drilling and Westrod Engineering. The new patented Quick Descent™ Core Barrel Assembly was launched. Early 2009, Paul Brunner retired as Chief Executive Officer of the Company and was succeeded by Craig Kipp, who had served for three years as Chief Operating Officer. Prior to joining the Company, Mr. Kipp was employed by General Electric from 1983 to 2005. In early 2010 Boart Longyear continued to introduce