| Awesome Ventures Co., Ltd | Seoul |
| Awesomepia | |
| Awesomepia | |
| AX Cloud | Seoul |
| Baekseok University | South Chungcheong |
| Bagelcode, Inc. | |
| Baikal.AI, Inc. | Seoul |
| BananaCulture Gaming & Media | Seoul |
| Bandisoft International, Inc. | |
| Bank of Korea | Seoul |
| BankBe Co., Ltd | Seoul |
| Banksalad Co., Ltd | Seoul |
| Bankwareglobal | Seoul |
| Barunson Entertainment & Arts Corporation | Seoul |
| BAUM | Gyeonggi |
| BD Convergence | Seoul |
| Be Interactive Co., Ltd | Seoul |
| Become Solution Co., Ltd | Seoul |
| bemyfriends | Seoul |
| Benchbee Ltd | Seoul |
| BERTIS, Inc. | Gyeonggi |
| Bespin Global | Seoul |
| Bestpartners Co., Ltd | Seoul |
| beSUCCESS | Seoul |
| Better Code Co., Ltd | Seoul |
| BIFIDO Co., Ltd | Seoul |
| Bigbang Angels, Inc. | Seoul |
| BIGC, Inc. | |
| BigxData, Inc. | |
| Bio-Synectics, Inc. | Seoul |
| Bioinformatics Information | Seoul |
| BioLeaders Co., Ltd | Gyeonggi |
| Biondi Co., Ltd | Gyeonggi |
| Bioneer Corporation | Daejeon |
| Bionoxx, Inc. | Gyeonggi |
| Biorchestra Co., Ltd | Daejeon |
| Biotoxtech Co., Ltd | North Chungcheong |
| Biotoxtech Co., Ltd | |
| BISTelligence, Inc. | |
| Bitel Co., Ltd | Seoul |
| bitHolla | Seoul |
| Bixink Therapeutics | Seoul |
| Bixink Therapeutics | |
| BLOCKO, Inc. | Gyeonggi |
| Blueside, Inc. | Seoul |
| BlueSignal, Inc. | Daejeon |
| Blueweb | Seoul |
| BMI Korea Co., Ltd | Gyeonggi |
| BNA Co., Ltd | Seoul |
| BNF Technology, Inc. | Daejeon |