| Genesem, Inc. | Incheon |
| Genesis Lab, Inc. | |
| Genexine, Inc. | Seoul |
| GENINUS, Inc. | |
| Genix System Co., Ltd | Seoul |
| GenKOre | Daejeon |
| Genmix Technology Co., Ltd | |
| Genolution, Inc. | |
| Genome & Company | Gyeonggi |
| GenoTech Corporation | Daejeon |
| Genty Co., Ltd | Seoul |
| Genuv, Inc. | Seoul |
| Geoje University | |
| Geumgang University | |
| Ghent University Global Campus | |
| Ghost Talk | Seoul |
| GI Innovation | Seoul |
| Giantsoft | Seoul |
| Gigatron | Seoul |
| Gimcheon University | |
| Globalhost | Gyeonggi |
| Globalstar Asia Pacific | Seoul |
| GN Service | Daejeon |
| Gold Ark | Seoul |
| Golden Light Co., Ltd | Daejeon |
| GOM & Company | Seoul |
| Gongju National University of Education | |
| Goorm, Inc. | |
| GPCR Therapeutics, Inc. | |
| Gractor | Seoul |
| Gradiant Bioconvergence | |
| Gravity Co., Ltd | Seoul |
| Green Labs | Seoul |
| Green Optics | |
| GreencatSoft | Gyeonggi |
| Grovesoft Co., Ltd | Seoul |
| Growth Co., Ltd | Gyeonggi |
| Gryphon Dynamics | Daegu |
| Gukje Cyber University | |
| Gumi University | |
| Gurlimsoft | Seoul |
| Gwangjiu Catholic University | |
| Gwangju Institute of Science & Technology | Gwangju |
| Gwangju National University of Education | |
| Gwangju University | |
| Gyeongan Graduate University | |
| Gyeongbuk College of Health | |
| Gyeongbuk Provincial College | |
| Gyeongbuk Technopark | North Gyeongsang |
| Gyeonggi Daejin Technopark | Gyeonggi |