American Cement Association Employee Directory
Non-profit OrganizationsDistrict of Columbia, United States51-200 Employees
The American Cement Association is a nonprofit organization serving the U.S. cement manufacturing sector, based in Washington, D.C. Founded in 1916, ACA conducts policy work, supports research, provides education, and gathers market insights for the industry. Its members account for about 92% of U.S. cement production capacity and maintain plants in every state. The association emphasizes safety, sustainability, and innovation in construction, and aims to foster ongoing improvements in cement production and distribution. Through these efforts it supports infrastructure investment and broader economic growth. In May 2026 ACA announced the appointment of Diane Tomb as president and chief executive officer, effective June 1, 2026.