| Xabi Vázquez | Computer Software | Xack Fischer | Entertainment |
| Xact Consulting SRL | Consumer Goods | Xak Puckett | Alternative Medicine |
| XaMpAs GrD | Accounting | Xander Fields | Animation |
| Xander Purcell | Media Production | Xanthippi Lemontzoglou | Internet |
| Xaris Ketoglou | Accounting | Xaveira S Williams | Military |
| Xavian Master | Media Production | Xavier Allen-Jones | |
| Xavier Davis | Information Technology and Services | Xavier Di Petta | Internet |
| Xavier Epps | Accounting | Xavier Flores | Real Estate |
| Xavier Fouilleux | Entertainment | Xavier Gattegno | Legal Services |
| Xavier Hurtado | International Trade and Development | Xavier Jover Segura | Telecommunications |
| Xavier Massana Puigjaner | Renewables & Environment | Xavier Mendez | Program Development |
| Xavier Normand | Information Technology and Services | Xavier Ruiz | Marketing and Advertising |
| Xavier Sainz | Marketing and Advertising | Xavier Sala Casol | Investment Management |
| Xavier Sebastiani | XBLUE HaCkZx | Internet | |
| Xcel Media | Marketing and Advertising | Xcluzv Lifestyle Brands | Retail |
| Xenia Douliaka | Health | Xenia Scherer | Accounting |
| Xenophon Frantzis | Xenoviper Studio | Arts and Crafts | |
| Xervin Maulanin | Financial Services | XFT Fuel Treatment | Automotive |
| Xi Huang | Marketing and Advertising | Xia Lu | Computer Software |
| Xiang Wang | Broadcast Media | Xiangyang QUAN | Mechanical or Industrial Engineering |
| Xiantao Jiao | Accounting |