Conglomerate companies of Thailand

BEC World Public Company Limited is a Thai media conglomerate, best known as the operator of television Channel 3. It was founded in 1990 and listed on the Stock Exchange of Thailand in 1995, though the group began doing business in 1967 as Bangkok Entertainment Co., Ltd., now a subsidiary. The business was founded by Vichai Maleenont, and continues to be majorly owned by the Maleenont family, though the company underwent major restructuring in the 2010s in response to major losses following landscape changes in the broadcast industry.

JKN Global Group Public Company Limited (formerly known as STGCP, JKN Living and JKN Global Media) is a Thai multinational conglomerate founded by Jakkaphong Jakrajutatip. Its headquarters are in the JKN Empire building in Samut Prakan, Thailand. It comprises numerous businesses in various industries of foods, beverages, content distribution, cosmetics, health products, home shopping, energy drinks, entertainment, events, film, mass media, personal care, television advertisements, and television programs.

GMM Grammy Public Company Limited (Thai: จีเอ็มเอ็ม แกรมมี่ or stylized as G"MM' Grammy) is the largest media conglomerate entertainment company in Thailand. Grammy top artists include Bird Thongchai, Silly Fools, Loso, Tai Orathai, Bie Sukrit, Tata Young, Mos Patiparn, Bodyslam, Getsunova, Joey Boy,... In addition to its music business, the company is involved in concert production, artist management, film and television production and publishing.

The Charoen Pokphand Group Company, Ltd. (CP) (Thai: เจริญโภคภัณฑ์; Charoen Phokkhaphan) is a Thai conglomerate based in Bangkok. It is Thailand's largest private company and the largest privately held Royal Warrant holder of the Thai Royal Family. The company describes itself as having eight business lines covering 13 business groups. As of 2020, the group has investments in 21 countries.

BTS Group Holdings Public Company Limited (BTSG), formerly known as Tanayong Public Company Limited, is a public company in Thailand. It is the majority share holder of Bangkok Mass Transit System PCL (BTSC), the operator of the BTS Skytrain and the Bangkok BRT.

Central Group is a Thai multinational conglomerate consisting of subsidiaries in retail, property development, brand management, hospitality, and food and beverage sectors.

Kian Gwan (Chinese: 建源; pinyin: Jiànyuán; Pe̍h-ōe-jī: Kiàn-goân) was the largest multinational trading company in Southeast Asia in the early decades of the twentieth century, and was founded in 1863 in the Dutch East Indies (now Indonesia). It survives today as a diversified group in Thailand. and in Indonesia, being nationalized in 1961, as PT Rajawali Nusantara Indonesia (Persero).