| Kubota Pharmaceutical Holdings Co., Ltd | |
| Kudan | |
| Kumamoto Gakuen University | |
| Kumamoto Health Science University | |
| Kumamoto Industrial Research Institute | |
| Kumamoto University | |
| Kumamoto University - Department of Mathematics | Kumamoto |
| Kumaro Electric Co., Ltd | |
| Kun-ei | |
| Kurashiki City Junior College | |
| Kurashiki Sakuyo University | |
| Kurashiki University of Science and The Arts | |
| Kuroco | |
| Kuroda Electric Co., Ltd | Osaka |
| Kurume Institute of Technology | |
| Kurume Shin-ai Gakuin | |
| Kurume University | |
| Kushiro Public University of Economics | |
| Kwansei Gakuin University | |
| Kwassui Gakuin | |
| Kyash Co., Ltd | Tokyo |
| Kycom Holdings Co., Ltd | Tokyo |
| Kyoai Gakuen University | |
| Kyobi | |
| KYOCERA Communication Systems Co., Ltd | Tokyo |
| KYOCERA Corporation | |
| Kyocera Corproation | Tokyo |
| Kyoei Electric Co., Ltd | |
| Kyoei university | |
| KYORIN Pharmaceutical Co., Ltd | |
| Kyorin University | |
| Kyoritsu Women’s Educational Institution | Tokyo |
| Kyosemi Corporation | Kyoto |
| Kyoto Bunkyo Gakuen | |
| Kyoto College of Economics | |
| Kyoto College of Graduate Studies for Informatics | |
| Kyoto College of Medical Science | |
| Kyoto Institute of Technology | Kyoto |
| Kyoto International University | |
| Kyoto Kacho University | |
| Kyoto Koka Women's University | |
| Kyoto Municipal Institute of Industrial Technology and Culture | |
| Kyoto Notre Dame University | |
| Kyoto Pharmaceutical Industries Ltd | |
| Kyoto Pharmaceutical University | |
| Kyoto Prefectural University | |
| Kyoto Prefectural University of Medicine | |
| Kyoto Research Park | Kyoto |
| Kyoto Saga University of Arts | |
| Kyoto Sangyo University | |