- Cosmo Bio Co.,Ltd. TOYO-EKIMAE BLDG.,2-20,TOYO 2-CHOME,KOTO-KU,TOKYO 135-0016,JAPAN 81-3-5632-9610 http://www.cosmobio.co.jp
- Iwai Chemicals Company 2-10,3-Chome,Nihonbashi-Honcho Chuo-ku Tokyo 103-0023 JAPAN +81-3-3241-2573 http://www.iwai-chem.co.jp
- FUJIFILM Wako Pure Chemical Corporation 1-2, Doshomachi 3-Chome, Chuo-ku Osaka, 540-8605 Japan 0120-052-099 (free) 0120-052-806 (free) ffwk-labchem-tec@fujifilm.com http://www.wako-chem.co.jp
- NACALAI TESQUE,INC. 498 Higashitamaya-cho,Nijo Karasuma,Nakagyo-ku Kyoto 604-0855 JAPAN 81-75-211-2703 https://www.nacalai.co.jp/ss/Contact/ http://www.nacalai.co.jp
- As One Corporation 2-1-27 Edobori Nishi-ku Osaka 550-8527 JAPAN +81-6-6447-8641 https://www.as-1.co.jp/; https://axel.as-1.co.jp/
- ViroQuest Corporation No.2-5,Awaji-machi Chuo-ku,Osaka 541-0047 JAPAN +81-6-6152-9940 http://www.viroquest.co.jp
- Filgen, Inc. 1-1409 Jonoyama, Midori-ku, Nagoya, 459-8011 JAPAN +81-52-624-4388 +81-52-624-4389 https://filgen.jp/Profile/ProfileE.htm
