K (ทั้งหมด 60 บริษัท)
- K plus work
- K. Property
- K. Stone Corporation Co., Ltd.
- K.ANGKANA
- K.N.C Safety Glass Co,Ltd
- K.Wealth Partners
- K.stone Corporation Ltd.
- KAMU KAMU Co., Ltd.
- KB hair salon
- KEX Express (Thailand) Public Company Limited.
- KFC
- KG Information Systems Co. Ltd.
- KGK
- KGK Jewellery Manufacturing (Thailand) Limited
- KI Perumal Corporation Co.,Ltd
- KIDE INTERNATIONAL（THAILAND）CO., LTD.（head office）
- KNT Subcontrac
- KOAN
- KOL
- KS Group
- KTI Recruitment Consultants Co., Ltd.
- KV ELECTRONICS CO.,LTD
- KVN Import Export (1991) company Limited
- KWJ Digital Fleet Services
- Kankanit
- Karmakarmet
- Katsu Midori Sushi
- Kb Hair Salon
- Kempro
- Ken Corporation Co.,Ltd.
- Kenex Co.,Ltd.
- Keystone Recruitment
- KhaikhonHommali
- Khiri Travel Thailand
- Kiat Siam Leatherware Co., Ltd.
- Kidz World Co., Ltd
- King of agent
- Kingbangkok Intertrade Co., Ltd.
- Kinnest Group Co.,Ltd.
- Kitten code
- Klongwises Co.,Ltd.
- Knock Consulting Co., Ltd.
- Kobkiat Global
- Kollective
- Koltiva
- Komgrich intersupply (2557) Co.,ltd
- Kongka Manufacturer Company Limited
- Korea Surgery Agency Co., Ltd.
- Kose(Thailand).Co.,Ltd
- KrispyKreme
- Krotron
- Kruger Ventilation Industries ASIA Co.,Ltd.
- Krungsri Consumer
- Kyushu Nitto Seiko (Thaialnd) Co.,Ltd.
- kaikai
- katang.co.ltd
- khunluang hostel
- kindcraft
- knowledge center
- kossikocompany
