| Finecom Co., Ltd | Seoul |
| Finetek | Seoul |
| FinInsight | Seoul |
| Firstec Co., Ltd | Seoul |
| Fito Co., Ltd | South Chungcheong |
| Flex Corporation | Gyeonggi |
| FlexWATCH | Seoul |
| Fluoro Tech Co., Ltd | North Gyeongsang |
| FMTK Co., Ltd | Gyeonggi |
| Foblgate Co., Ltd | Seoul |
| Fostec | Seoul |
| Four Pillars | |
| Foures Co., Ltd | Gyeonggi |
| Function Bay, Inc. | Seoul |
| Future Play Co., Ltd | Seoul |
| Future's Lab | Seoul |
| FuturePlay | |
| FutureSystems | Seoul |
| G2GBIO, Inc. | North Chungcheong |
| Gabia, Inc. | Seoul |
| Gachon University | Gyeonggi |
| Gaeasoft | Seoul |
| Gaia3D | Daejeon |
| Gamedex Corporation | Gyeonggi |
| Gangneung-Wonju National University | Gangwon |
| Gangseo University | |
| Gangwon Technopark | Gangwon |
| Gauri Webhosting | Seoul |
| GC Biopharma Corporation | Gyeonggi |
| GC Biopharma Corporation | |
| Gemvax & KAEL | Daejeon |
| Gemvax & KAEL | |
| Gencurix | Seoul |
| GeneMedicine | Seoul |
| Genesem, Inc. | Incheon |
| Genesis Lab, Inc. | |
| Genexine, Inc. | Seoul |
| GENINUS, Inc. | |
| Genix System Co., Ltd | Seoul |
| GenKOre | Daejeon |
| Genome & Company | Gyeonggi |
| GenoTech Corporation | Daejeon |
| Genty Co., Ltd | Seoul |
| Genuv, Inc. | Seoul |
| Geoje University | |
| Ghent University Global Campus | |
| Ghost Talk | Seoul |
| GI Innovation | Seoul |
| Giantsoft | Seoul |
| Gigatron | Seoul |