Kameda Seika 2220

Kameda Seika’s main business is making and selling snacks. In the rice cracker industry, it is the largest player, with a circa 30% market share. The company embraced mass production ahead of rivals, and in 1975—18 years after its founding—it became the largest rice cracker company in Japan, by sales. Over the next 40 years, it held its place at the top. Most manufacturing is done in-house.