| Eye Max Co., Ltd | Busan |
| EyeGene Co., Ltd | |
| EzDiatech | |
| F1Security Corporation | Seoul |
| Far East University | |
| Fasoo.com | Seoul |
| Fast Track Asia Co., Ltd | Seoul |
| FatiAbGen, Inc. | |
| Federation of Korean Information Industries | Seoul |
| Feelatech Co., Ltd | Seoul |
| Fescaro | |
| Fine Semitech Corporation | Gyeonggi |
| 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 |
| FutureChem Co., Ltd | |
| FuturePlay Co., Ltd | |
| FutureSystems | Seoul |
| G2GBIO, Inc. | North Chungcheong |
| Gabia, Inc. | Seoul |
| Gachon University | Gyeonggi |
| Gaeasoft | Seoul |
| Gaia3D | Daejeon |
| Galux | |
| Gamedex Corporation | Gyeonggi |
| Gangdong University | |
| Gangeung Yeongdong University | |
| Gangneung-Wonju National University | Gangwon |
| Gangseo University | |
| Gangwon Technopark | Gangwon |
| Gauri Webhosting | Seoul |
| GC Biopharma | |
| Gemvax & KAEL | Daejeon |
| Gemvax & KAEL Co., Ltd | |
| Genaxis, Inc. | |
| Gencurix | Seoul |
| GeneMedicine | Seoul |