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). Omnicom Group: Omnicom Group, Inc. is an American global marketing and corporate communications holding company, headquartered in New York City.
American