Yamaha Corporation is made up of multiple partners and subsidiaries.
A conglomerate is the combination of two or more corporations engaged in entirely different businesses that fall under one corporate group , usually involving a parent company and many subsidiaries . ( [ jəˈmɑːhə ] or [ ˈjɑːməhə ] [ jamaha ] ) is a Japanese multinational corporation and conglomerate based in Japan with a very wide range of products and services , predominantly musical instruments , electronics , motorcycles and power sports equipment .