| PBZ | Ansan Greeners | LEP | Asan United | KWC | Bucheon FC 1995 | BAW | Busan I'Park | | JWF | Busan TC | VDP | Byeoksan Players | JVT | Changwon | SMU | Cheonan City | | JVU | Cheongju City | UNY | Cheongju Showking | TDW | Cheongsol | VTX | Chonbuk Motors B | | ELB | Chonbuk Motors | SMT | Chuncheon Citizen | LEN | Chungbuk Cheongju | JVV | Chungju Hummel | | KWD | Chungnam Asan | JM | Chunnam Dragons | VUW | Daegu Cheongsol | VCK | Daegu FC B | | ELC | Daegu FC | UOE | Daejeon Seobu | DWF | Daejon Citizen | JWD | Daejon KHNP | | JWC | Daejon Korail | TDL | Dangjin Citizen | JVY | FC Anyang | TTH | FC Avenir | | JWB | FC Mokpo | SQL | FC Namdong | EUO | FC Seoul | PGF | FC Uijeongbu | | JVW | Gangneung | GYE | Gangwon | TTG | Geoje Citizen | VUX | Geonyung | | WMM | Geumsan Ginseng | VUU | Gijang United | BVY | Gimcheon Sangmu | JVX | Gimhae FC | | TDY | Gimhae Jaemics | LEK | Gimpo FC | SPN | Goyang Citizen | UNU | Goyang Happiness | | JVS | Goyang Hi | TSW | Goyang KH | ISY | Gwangju FC | LEL | Gyeongju Citizen | | LEO | Gyeongju KHNP | FGA | Gyeongnam | LEX | Hwaseong | SPK | Hyochang | | SMS | Icheon Citizen | UOB | Incheon Ganseok | VUV | Incheon Seogot | EMT | Incheon United | | WML | Jecheon Citizen | DXI | Jeju United | SNA | Jeonju Citizen | VEA | Jeonju OFC | | SMX | Jinju Citizen | DWG | Korea University | UOD | Mokpo Gatdangdae | VDM | Namyangju | | LEV | Nowon United | SGQ | Paju Frontier | LEW | Pocheon Citizen | CBO | Pohang Steelers | | BGL | Posco Atoms | TTL | Pyeongchang | SMY | Pyeongtaek | BVK | Royal Korea | | SPL | SMC Engineering | VUR | Sejong SA | UNZ | Sejong Vanesse | UOA | Sejong Wookil | | UOC | Seogu Hwajeong | VDY | Seongdang | EUJ | Seongnam Ilhwa | NNS | Seoul E-Land | | LEM | Seoul FC Martyrs | SQU | Seoul Jungnang | VDN | Shinan | RVX | Siheung Citizen | | SPM | Songwol | BTU | Suwon Bluewings | JVZ | Suwon FC | SMV | Ulsan Citizen | | JWE | Ulsan Dolphins | BGJ | Ulsan HD | TDK | Yangcheon TNT | SMR | Yangju Citizen | | VDO | Yangju Deokkye | SMZ | Yangpyeong | VDZ | Yangsan Eogok | TDM | Yeoju FC | | SPO | Yeoncheon | JWA | Yongin City* | WHZ | Yongin FC |
|
