C (ทั้งหมด 90 บริษัท)
- C2 Performance
- CAD
- CASHANDCOIN ADVISORY CO., LTD.
- CELEBe Korea Co.,LTD.
- CENTRAL
- CH. PATTANA CAR RENT CO., LTD.
- CHANGYI IMPORT AND EXPORT TRADING (THAILAND) CO.,LTD.
- CHANISA INTERNATIONAL CO., LTD.
- CHARMIE CHAN CO.,LTD
- CHAZ insurance brokers ltd.
- CHIANGMAI PART & TOOL COMPANY LIMITED
- CHOUSHOES HOUSE LTD.,PART.
- CIMB THAI
- CJ Wire Co.,Ltd.
- CK complete
- CMA CGM Inland Services
- CMG (Central Marketing Group)
- CMKL University
- CMO Public Company Limited
- CNK Diecut
- CP ALL
- CPFM
- CREATEK TECHNOLOGY(THAILAND)CO.，LTD
- CRSC International Company Limited
- CRYPTOPLAT CO., LTD.
- CS ENERGY
- CTR 888 จำกัด
- Café Amazon คาเฟ่อเมซอน
- Cambodian Investment Holding Co., Ltd.
- Can Innovation
- Cannastock
- Cans Communication
- Carlcare Service THA
- Carrier (Thailand)
- Carroll Prep Company Limited
- Cashvan Management
- Casperstack Technoloy Co,.Ltd
- Celestial Code
- Celestica (Thailand) Limited
- Celetsica Thailand
- Century Grow Co.,Ltd
- Chachees Robert
- Chadatan
- Charad
- Charming Panda Co., Ltd.
- Charoen Pokphand Foods Company
- Chartered Square Holding Co., Ltd.
- China Campus Network Thailand
- China Construction Shenzhen Decoration Co.,Ltd
- Chonlawat
- Chonteera L.
- Cinnabon
- Cititex Group
- Citizen Machinery Asia co.,ltd
- Clavis
- Click Property
- Cloud Fission Co., Ltd.
- Cloud HM Co., Ltd. (บริษัท คลาวด์ เอชเอ็ม จำกัด)
- Cloud NC
- CloudCommerce Co., Ltd.
- Cocut studio
- Code-D 789 Co., Ltd.
- Coffee Concepts Retail
- Coinsth
- Cold Stone Creamery
- Comco (Asia)Co.,Ltd.
- CommExpress (Thailand) Co.,Ltd.
- Concentrix Services (Thailand) Co.Ltd
- Connect Energy (Thailand) Co., Ltd.
- Connected Tech
- Consult and coaching
- Consulting.com
- Coraline Co., Ltd.
- Cosmacare Clinic
- Cosmo Corporation Group
- Cotti(Thailand)Company Limited
- Cowinbest (Thailand) Co., Ltd
- Cozmo Global
- Creation Center Co.,Ltd.
- Creative digital living co. ltd.
- Creden
- Credence Co., Ltd.
- Cube Softtech Co., Ltd.
- Cyberprint
- Czk Gammer
- candoosport
- chainate service
- cheetah engineering systems co.,ltd.
- civilize developer
- coway
