| 16291 | Japan | Japan Enec Co., Ltd. | 3-12-30 Kanda, Ikeda, Osaka 563-0043 | +81 72 7521191 | www.j-enec.jp | | |
| 16292 | Japan | Japan Energy Bank Co., Ltd. | 6-1-23 Kita 5-jo Nishi, Chuo-ku, Sapporo-shi, Hokkaido, 2nd Dodori Building 8F | +81 11 2187060 | j-energybank.co.jp | | |
| 16293 | Japan | Japan Energy Development Co., Ltd | 7F, Hakata Urban Square, 1-31 Tenyamachi, Hakata-ku, Fukuoka-shi, Fukuoka-ken 812-0025 | +81 92 7338622 | j-e-d.co.jp | | Hanwha Q CELLS GmbH, SunPower Corp., Mitsubishi Heavy Industries Ltd. |
| 16294 | Japan | Japan Energy Systems Industry Co., Ltd. | 49-2 Ishita, Imahonmacho, Anjo, Aichi Prefecture | +81 566 973748 | www.enesis.jp | | |
| 16295 | Japan | Japan Housing Equipment Co., Ltd. | Wakamiya 2 - 6 - 37, Saga City 849-0926 | +81 952 317100 | www.njs-nissetu.com | | |
| 16296 | Japan | Japan Housing Service Co., Ltd. | 1 Chome-16-20 Tajimecho, Fukuyama-shi, Hiroshima-ken | +81 84 9815333 | https://japan-hs.jp | | |
| 16297 | Japan | Japan Life Support Co., Ltd. | 4F, Taihei Residential Building, Uomachi 2-chome 6-10, Kokura Kita-ku, Kitakyushu, Fukuoka | +81 93 9672101 | www.nls-k.co.jp | | |
| 16298 | Japan | Japan Network Communication Co., Ltd. | 2 Chome-22-16 Negishi, Minami-ku, Saitama-shi, Saitama-ken 336-0024 | +81 48 8372121 | www.nihon-net.jp | | |
| 16299 | Japan | Japan Renewable Energy Co., Ltd. | 6 Chome-2-31 Roppongi, Minato-ku, Tokyo-to | +81 3 64554900 | www.jre.co.jp | | |
| 16300 | Japan | Japan Solar Power Co., Ltd. | Shindengo-89 Kaimei, Ichinomiya-shi, Aichi-ken | +81 586 858897 | n-th.jp | | |
| 16301 | Japan | Japan Solar Support Co., Ltd. | 2695-489 Suya, Kōshi-shi, Kumamoto-ken | +81 96 2001075 | solar-support.co.jp | | |
| 16302 | Japan | Jay Home Co., Ltd. | 11-20 Liguradai Sosa-shi, Chiba-ken 289-2148 | +81 479 792001 | j-home-x.com | | |
| 16303 | Japan | JB Service Corporation | 4 Chome-2-23 Shinjuku Shinjuku-ku, Tokyo-to 160-0022 | +81 120 025037 | www.jbsvc.co.jp | | |
| 16304 | Japan | JCU Corporation | 4 Chome-8-1 Higashiueno, Taito-ku, Tokyo-to | +81 3 68957001 | https://www.jcu-i.com | | |
| 16305 | Japan | Japan Ecosystem Co., Ltd. | 2-2-11 JES ichinomiya Bld2F, Hommachi, Ichinomiya-shi, Aichi, 491-0859 | +81 586 255788 | jp-eco.co.jp | | |
| 16306 | Japan | JESCO Holding, Inc. | 4 Chome-3-4 Chuo, Nakano-ku, Tokyo-to 164-0011 | +81 3 63048021 | https://www.jesco.co.jp | | |
| 16307 | Japan | Jestec Co., Ltd. | 356 Nishitomida, Honjo-shi, Saitama-ken | +81 495 212285 | www.jestec.co.jp | | |
| 16308 | Japan | JFE Plant Engineering Co Ltd | 8th Floor, JFE-Kuramae Bld., 2-17-4 Kuramae, Taito-ku, Tokyo 111-0051 | +81 3 38643865 | https://www.jfe-planteng.co.jp | | |
| 16309 | Japan | JFE Technos Co., Ltd. | 2 Chome-1 Suehirocho, Tsurumi-ku, Yokohama-shi, Kanagawa-ken 230-0045 | +81 45 5057370 | www.jfe-technos.co.jp | | |
| 16310 | Japan | Jness Co., Ltd. | 9F Ote Uenoya Building, 2-7-2 Ote-cho, Naka-ku, Hiroshima city, Hiroshima 730-0051 | +81 82 5460511 | www.jness.co.jp | | |
| 16311 | Japan | Joinhouse Inc. | 2 Chome-5-1, Kisohigashi, Machida-shi, Tokyo-to 194-0036 | +81 120 410687 | joinhouse.co.jp | | |
| 16312 | Japan | Jousyu Co., Ltd. | 1138 Kobayashi, Fujioka-shi, Gunma-ken | +81 274 402364 | jousyu.jp | | |
| 16313 | Japan | Joy Co., Ltd. | 11-2 Nakamarucho, Itabashi-ku, Tokyo-to | +81 3 59650913 | joygroup.co.jp | | |
| 16314 | Japan | Joy Electrification | 1 Chome-32-9 Teruya, Okinawa-shi, Okinawa-ken | +81 98 9375605 | www.yorokobidenka.com | | |
| 16315 | Japan | Joyful Equipment Co., Ltd. | 1 Chome-8-4 Nishihonmachi, Kasugai-shi, Aichi-ken 486-0958 | +81 568 318498 | joyful-a.com | Canadian Solar Inc. | |
| 16316 | Japan | Joyo Trading Co., Ltd. | 312, Wakashiba, Kashiwa-shi, Chiba-ken, 277-0871 | +81 120 972769 | joyo-solar.com | | |
| 16317 | Japan | Japan Road Cutter Co., Ltd. | 2 Chome-12-45 Sakaecho, Odawara-shi, Kanagawa-ken | +81 465 241313 | www.j-r-c.jp | Kyocera Corporation, Suntech Power Co., Ltd., Solar Frontier K.K., Canadian Solar Inc., Mitsubishi Electric Corporation, Sharp Energy Solutions Europe, Panasonic Corporation (Sanyo), Toshiba Corporation | SMA Solar Technology AG, Changzhou Eagle Solar Technology Co., Ltd. |
| 16318 | Japan | JSW Co., Ltd. | 884-1, Mushirouchi, Koga, Fukuoka, 811-3121 | +81 92 6926031 | jsw-japan.jp | | |
| 16319 | Japan | JT Engineering Inc. | 1 Chome-17-7 Yokokawa Sumida-ku, Tokyo-to 130-0003 | +81 3 56107601 | www.jte.co.jp | | |
| 16320 | Japan | JTECT (Former Gifu Electric Construction) Co., Ltd. | 2160-1, Inatsucho Ori, Mizunami-shi, Gifu-ken 509-6103 | +81 572 671122 | jtect.co.jp/ | | |