Clean Energy Technologies, Inc. engages in the provision of renewable and energy efficient products and solutions. It operates through the following segments: Clean Energy HRS & CETY Europe, CETY Renewables Waste to Energy Solutions, Engineering and Manufacturing Business, and CETY HK. The Clean Energy HRS segment includes waste heat recovery, waste to energy, China liquefied natural gas initiatives, and engineering and consulting services. The CETY Europe segment offers services to European countries. The Manufacturing and Engineering segment consists of the electronics manufacturing business. The company was founded by Kambiz Mahdi and Reza Zarif in 1993 and is headquartered in Irvine, CA.