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
Waste Connections deal, Waste Connections shareholders received 70% of the new company, which moved its tax headquarters to Canada. It later re-branded its Canadian division Waste Connections of Canada. In January 2017, it acquired privately held Illinois waste firm Groot Industries for approximately $400 million. Waste Connections's primary business is to provide solid waste collection and disposal services. It most often does this through contracts with municipalities to collect the waste in that municipality, for an agreed-upon rate. It also provides services directly to residential, commercial, or industrial customers. In addition, Waste Connections runs landfills for waste disposal (68 solid waste landfills