Of what nationality are both Dentsply Sirona and Omnicom Group?
Dentsply Sirona Dentsply Sirona is an American dental equipment maker and dental consumables producer that markets its products in over 120 countries (factories in 21 countries). It is a leader in consumable dental products. The present company is largely the result of a merger in 1993 in which Gendex Corporation acquired Dentsply International Inc. for $590 million.
OM Group OM Group Incorporated is a metal-based chemistry firm based in Cleveland, Ohio, United States. It is a provider of speciality chemicals, advanced materials and technologies. The company was listed on the New York Stock Exchange prior to being privatized by Apollo Global Management in June 2015.