- XIMES GmbH [Wien]
- XING AG
- XLIM
- Xavier School of Management
- XenLink Co. Ltd.
- Xerox Company
- Xerox Research Centre Europe [Meylan]
- Xi'an Institute of Posts and Telecommunications
- Xi'an Jiaotong University
- Xi'an Jiaotong-Liverpool University [Suzhou]
- Xi'an University of Science and Technology
- Xiaoxiaoniu Creative Technologies