International Association of Drilling Contractors
International Association of Drilling Contractors, abbreviated as \(IADC\), with headquarters in Houston, Texas, USA, is a global organization that represents the drilling industry involved in oil, gas, geothermal, and well-construction operations. The IADC works to promote safety, efficiency, and environmental stewardship across drilling operations worldwide. It develops industry standards, provides training and accreditation programs, and serves as a central body for technical guidance and best practices, such as the widely used IADC Drill Bit Classification System. The association also advocates on regulatory and policy issues, supports workforce development, and fosters collaboration among drilling contractors, operators, equipment manufacturers, and service companies. Through there efforts, the IADC helps ensure consistent, safe, and reliable drilling practices throughout the global energy industry.

