Cincinnati USA Regional Chamber 441 Vine Street, Suite 300, Cincinnati, OH 45202, 513-579-3100, Cincinnati USA Regional Chamber is the largest and only regional business network and organization of nearly 6,000 businesses.

Archdiocese of Cincinnati 100 East 8th Street, Cincinnati, OH 45202, 513-421-3131, 800-686-2724, The Archdiocese of Cincinnati is the local embodiment of the universal Roman Catholic Church. Sponsors a tour of seven historic churches. more... 

Cincinnati Horticultural Society 3731 Eastern Hills Lane, Cincinnati, OH 45209, 513-872-5194, 800-670-6808, A not-for-profit organization founded in 1989, the Cincinnati Horticultural Society's mission is to benefit organizations that promote the quality of through horticulture. This group sponsors several events, shows, and exhibits each year.  more...