b'SUBSIDIARIESWestern HemisphereNORTH AMERICA SOUTH AMERICACANADA MEXICO BRASILEastern HemisphereASIAAUSTRALIA INDONESIA MALAYSIAEUROPE MIDDLE EASTUNITED KINGDOM SAUDI ARABIAWEST AFRICANIGERIACETCO ENERGY SERVICES, LLC is a Delaware Company with headquarters in North America and has several subsidiaries, legally registered in various countries with a Joint Venture Partnership in the Middle East; and is a wholly owned subsidiary of Minerals Technologies Inc.4'