<Table> A&W Root Beer <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th> Type </Th> <Td> Root Beer </Td> </Tr> <Tr> <Th> Manufacturer </Th> <Td> Keurig Dr Pepper (United States, Worldwide) A&W Canada (Canada) </Td> </Tr> <Tr> <Th> Introduced </Th> <Td> 1919 </Td> </Tr> <Tr> <Th> Related products </Th> <Td> Barq's, Mug Root Beer, Dad's Root Beer, Hires Root Beer, A&W Cream Soda </Td> </Tr> </Table> <Tr> <Th> Type </Th> <Td> Root Beer </Td> </Tr>

What company makes a and w root beer