| Kyoto Seika University | |
| Kyoto Seizan College | |
| Kyoto Software Research | Kyoto |
| Kyoto Tachibana University | |
| Kyoto University | Kyoto |
| Kyoto University - Bioinformatics Center | Kyoto |
| Kyoto University - Department of Advanced Mathematical Sciences | Kyoto |
| Kyoto University - Department of Mathematics | Kyoto |
| Kyoto University - Functional Programming Research Group | Kyoto |
| Kyoto University - Graduate School of Informatics | Kyoto |
| Kyoto University - Research Institute for Mathematical Sciences | Kyoto |
| Kyoto University - Yoshida South Campus - Mathematical Science Division | Kyoto |
| Kyoto University Innovation Capital Co., Ltd | |
| Kyoto University of Advanced Science | |
| Kyoto University of Education | |
| Kyoto University of Foreign Studies | |
| Kyoto University of the Arts | |
| Kyoto Women's University | |
| KYOWA Electric & Machinery Corporation | |
| Kyusan Sangyo University | |
| Kyushu Dental University | |
| Kyushu Economic Federation | |
| Kyushu Economy International | |
| Kyushu Institute of Information Sciences | |
| Kyushu Institute of Technology | |
| Kyushu Institute of Technology - Department of Systems Design and Informatics | Fukuoka |
| Kyushu International University | |
| Kyushu Kyoritsu University | |
| Kyushu Lutheran College | |
| Kyushu Nutrition Welfare University | |
| Kyushu Ryukoku Junior College | |
| Kyushu University | Fukuoka |
| Kyushu University - Faculty of Mathematics | Fukuoka |
| Kyushu University of Nursing and Social Welfare | |
| Kyushu Women's University | |
| L-Media Co., Ltd | Tokyo |
| LAC Co., Ltd | Tokyo |
| Lafleur Corporation | Tokyo |
| Lanex Co., Ltd | |
| Laplace Systems Co., Ltd | Kyoto |
| Lasmile Corporation | Tokyo |
| LayerX Co., Ltd | Tokyo |
| Lazuli Co., Ltd | Tokyo |
| LDT Co., Ltd | Tokyo |
| LeapMind Co., Ltd | Tokyo |
| Lecto Co., Ltd | Tokyo |
| Legal Technology Co., Ltd | Tokyo |
| LegalOn Technologies, Inc. | |
| Leimac Ltd | |
| Leko | |