American Concrete Institute (ACI)The American Concrete Institute is a leading global authority for the development, dissemination, and adoption of its consensus-based standards, technical resources, and educational, training, & certification programs. Founded in 1904, ACI is headquartered in Farmington Hills, Michigan, USA, with a regional office in Dubai, UAE, and resource centers in Southern California, Chicago/Midwest, and Mid-Atlantic. ACI has over 94 chapters, 244 student chapters, and 30,000 members spanning over 120 countries.