Well, we are aware that career in entertainment circle are having a short lifespan. In order to survive, some of the celebrities will opt and upgrade themselves to become a producer. Then they will establish their own production company. These are the lists that we knew so far of celebrities that becoming the producer or some owns the company.
Starframe – Thun Thanakorn
Starframe – Yui Chiranan
Markgwafun – Vee Veraparb
Nino Brothers – Ning Panita
Metta Mahaniyom/Mahachom – Nok Chatchai Plengpanich/Nok Sinjai Plengpanich
Pau Jing Jong – Too Noppol
Maker Group: Maker J – Jariya Anfone
Maker Group: Maker Y – Jett Nattapong
Maker Group: Maker K – Krit Sukramongkol
Maker Group: Maker Y – Yossie Nanakorn
Magic If One – Aom Phiyada
Magic If Two – Pim Pimmada
Magic If Two – Jeab Sopidnapa
Drama Magic (formally Pasangyon) – Turk Kaljruek
Kantana Group – Khun Tae Piyarat Kaljruek (Vice President)
Chok Dee Mee Sook – Film Rattapoom
Who & Who – Kai Varayuth
Halo Productions – Ananda Everingham
Nine Bever – Oliver Bever
D Wan D Kuen – May Fuengarom
Thong Entertainment – Anne Thongprasom
CitizenKane – Noi Bussakorn
Kiatrapee – Ae Isariya
Thanud Lakorn – Paajaew Yuthana Lorphanpaibul
Broadcast Thai – Nong Arunosha
Insight Entertainment – Aum Atichart
Daughter Production – Donut Manasnan
North Star Production – Tik Kanyarat
Boomerang – Brook Danuporn Punnakun
Act Art Generation -Off Pongpat
Kantana Evolution (other than Ch7, usually Ch3, PPTV) – Stang Disalada Disayanon
Change 2561 – Mrs Saitrip Montrikul Na Ayudhya (P’ Chod)
No Problem/Feel Good – P’ Mam Thithima
Penputtv – Wut Adsadawut
Sonic Youth – Kong Piya Sawetpikul
Credit to Bitterkisses and Ohsweetheaven for the help.