Drill-Quest Engineering is a family-owned business founded in 2002 in Zug Switzerland by the late William (Bill) Schluneger. Bill was first introduced to the oilfield business early in life by his grandfather while growing up in Oklahoma and began to buy and sell drilling equipment as a young adult.

As a geologist, his father was also involved in the drilling industry and the knowledge of drilling and drilling equipment was passed down through the generations. Bill, in turn, passed on his expertise to his long-term and loyal employees who now run the company under the ownership of his children and widow.

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