David Preston Case

INROCK Drilling Systems, Inc. manufactures and supplies directional drilling tools and equipment. The company was founded on December 2, 1993 and is headquartered in Houston, TX.

Inrock Ltd. is a British UK-based company that was founded in 1997. Part of Sandvik Aktiebolag, Inrock Ltd. specializes in designing pilot hole drilling assemblies to deliver the lowest drilling cost per foot. The company's HDL drill bit is designed as a durable and hard-working, yet cost-effective drill bit suitable for most HDD applications. Inrock Ltd. can assist in designing pilot hole drilling assemblies to deliver the lowest drilling cost per foot.