Dai- Nippon Ink

Associated Companies

• Hokuren Tomakomai Oil
• Idemitsu Kosan Co Ltd
• Japan Oil
• Kyobi
• Kyodo Oil
• Kyohatsu Co Ltd
• Narasaki Stax-Tomakomai
• Oji Paper Co Ltd
• Tomakomai Chemical whaf
• Tomakomai Futo Co Ltd
• Tomakomai Port Authority