Medical Mutual of Ohio is an American mutual health insurance company; it is the oldest and largest health insurance company based in Ohio and serves more than 1.6 million customers. Employing 2,400 people; Medical Mutual is one of the biggest employers in downtown Cleveland.
The Cincinnati Masters (currently sponsored by the Western & Southern Financial Group and called the Western & Southern Open[1]) is an annual outdoor hardcourt tennis event held in Mason, Ohio near Cincinnati, Ohio, USA.