Founded in 1992, CBG Corporation specializes in standard and customized downhole tools for Measurement While Drilling (MWD), Logging While Drilling (LWD), Wireline and Casing Inspection. CBG is the largest independent supplier of Gamma Tools worldwide to the Directional Drilling market with thousands of tools operating in the North America, China, Australia, Europe, Middle East, Russia, South America, and India. CBG holds nine issued U.S. patents and fourteen associated international patents with more applications in process.