Cassade Drilling

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PROSONIC Corporation, headquartered in Marietta, Ohio, is a provider of sonic drilling services worldwide. It employs more than 250 staff members and operates a fleet of sonic drill rigs. The company serves clients in the environmental, water and mining industries PROSONIC Corporation is a part of Boart Longyear, which is one of the leading providers of drilling services and related products in the United States. Boart Longyear provides drilling services in more than 30 countries and products in over 100 countries. The company has more than 7,000 staff members and is headquartered in Salt Lake City.