Buriram United
Ratchaburi Mitr Phol FC
Khonkaen FC
Kanchanaburi Power FC
Rajpracha FC
Bangkok United FC
Nakhon Ratchasima Mazda FC
Nakhon Si United FC
BG Pathum United
Kasem Bundit University FC
Suphanburi FC
Lampang FC
Surin City FC 
Rayong FC
Muang Thong United
Lamphun Warriors
Lopburi City FC
Uthai Thani Forest
Nongbua Pitchaya FC
Chonburi Shark FC
Banbueng City
Chanthaburi FC
Sukhothai
Mahasarakham SBT FC
Kasetsart FC
Phrae United FC
Port FC
Royal Thai Navy FC
Royal Thai Fleet FC
BFB Pattaya City
TPF Uttaradit
Chachoengsao Hi-Tek
Surin Sugar Khong Chee Mool
Surat Thani City
Khonkaen United
VRN Muangnont
Bangkok
Chiangrai United
Samut Sakhon City
Muang Trang United
Vongchavalitkul University
Padriew City
Nakhon Pathom FC
Saimit Kabin United
Prachuap Khiri Khan
Prime Bangkok FC
Roi Et PB United
Pattaya Discovery United FC
Sisaket United
Huasamrong Gateway
Udon United
Toko Customs United
Muang Loei United
Ayutthaya United
Kamphaengphet FC
APD United
Udon Thani
Warin Chamrap
Phitsanulok FC 2015
BEC Tero Sasana
Thap Luang United
Bankhai United
Air and Coastal Defense Command FC
Chainat Hornbill FC
Dome FC
Hua Hin Maraleina
Phachi City
Thonburi Forest
Futera United
Romklao United
Nara United
Muang Klaeng
UD Vessuwan
Phetchabun United
Ubonkids City
Samut Prakan City