- OVK MACHINEWORKS, LTD.
- Address:396 Kawamiya-cho
- ALP Co., Ltd.
- Address:3-3-10, Midorigaoka, Hamura-Shi
- Expreda Ltd.
- Address:86, Minatojima-Nakamachi, Chuo-ku, Kobe City, Hyogo 6500046 Japan
- TAKE OFF CO LTD
- Address:1F 6-3 Ichigaya-daimachi,
- Biglobe Group Inc
- Address:Shawyuzi, Tokyo, Tokyo, Japan
- Niitaka Chemical Industry Co., LTD.
- Address:1-8-10,Niitaka,Yodogawa-ku
- OTSUKA OPTICS CO., LTD
- Address:1-1-4, Koyama
- Ichiga Ltd.
- Address:819, Nakatsu, Kita-ku, Osaka city, Osaka 5310071 Japan
- NANIWA PROJEX CO.,LTD
- Address:1-21 Rinkai-cho
- K.ARANO & CO., LTD.
- Address:5F Musashino Bldg 1-2 Kanda-Awajicho, Chiyoda-ku
- KURABO INDUSTRIES LTD.
- Address:4-31, 2-chome, Kyutaro-machi, Chuo-ku,
- Optima Instrument Co.
- Address:
- PB Consulting
- Address:2-17-16 Tomigaya, Shibuya-ku Tokyo Japan
- KOYO KASEI Corporation
- Address:2-509-1, Mihashi, Oomiyaku
- MORITA OPTICS CO., LTD
- Address:33-244, Azasemikawa, Tamecho
- Rawe Ltd.
- Address:980 Hizukushi-cho Sasebo-city, Nagasaki 8570852 Japan
- Ohden Limited
- Address:1-13-14 Utsubo-Honmachi Nishiku Osaka
- Shekiki Ltd.
- Address:4600 Oaza Nakagami, Toin-cho, Inabe-gun,Mie 5110294 Japan
- Starcloud
- Address:Tokyoakiruno328-1 Sedoka
- Metal Industry LTD.
- Address:10762-6, Aza-Kawanishi 1-ban, Kamakazu Asahi City, Chiba 2610023 Japan