Tracing its corporate origins to 1909, Ohio National today markets a variety of insurance and financial products through more than 40,000 representatives in 47 states (all except Alaska, Hawaii and New York), the District of Columbia, Puerto Rico and through subsidiary operations in Santiago, Chile. As of December 31, 2009, its affiliated companies have $26.5 billion total assets under management. Products are issued by The Ohio National Life Insurance Company and Ohio National Life Assurance Corporation.

Named Cincinnati's “#1 Top Workplace” (large category) by the Enquirer Media (June 2010) and “25 Best Medium-Sized Companies to Work for in America” by the Great Place to Work Institute (June 2004), Ohio National has more than 850 corporate headquarters associates.