The American Council of Engineering Companies of Ohio is a non-profit trade association comprised of firms that provide a wide array of engineering and other professional services for all types of construction and environmental improvement projects. ACEC Ohio member companies provide services to local, state and federal government agencies, as well as commercial and industrial clients.

The mission of ACEC Ohio is to enhance the economic and regulatory climate for private engineering companies and assist member companies in improving their business management practices so that they may provide high-quality professional services to their clients.

ACEC Ohio is the state affiliate of the American Council of Engineering Companies.