 In 1996 the now Northbrook, Illinois headquartered Diversey was acquired from Molson by Unilever, who merged it with Industrial Lever to form DiverseyLever based in Cincinnati, Ohio.Johnson Wax Professional bought the business from Unilever in 2002, which became known as JohnsonDiversey, Inc., while Unilever retained an interest in the DiverseyLever unit.Johnson Wax Professional had been a subsidiary of S. C. Johnson & Son until 1999, when it was spun off.