Ohio Mayors Alliance Ohio Mayors Alliance Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Family, Community & Non-Profit >> Social Advocacy Organizations Ohio Mayors Alliance 10 West Broad Street, Suite 1520Columbus, OH 43215 | map | directions Visit Site Need to update your categories or expand your listing? Or want to learn how your business can become a part of the Chamber? Contact us at membership@columbus.org for assistance.