Boart Longyear wireline core retrieval system, an innovation that revolutionized the diamond drilling industry by increasing productivity on the worksite and making tripping core from the bottom of the hole safer for the drilling assistant. Later named the Q Wireline System, the new core retrieval method introduced a level of productivity never before seen in the exploration drilling industry. In 1964 Longyear sold 25 percent of its family-owned stock to FACTS, a Luxembourg-based holding company owned jointly by Boart International and Christensen Diamond Products Company. Three years later FACTS exercised its option to purchase another 25 percent of Longyear's family stock. The
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