| Company Name | City | State | Country/Region | Website | Service Type |
|---|---|---|---|---|---|
| West Virginia School of Osteopathic Medicine | Lewisburg | West Virginia | United States | https://www.wvsom.edu | Academic |
| X-Therma | Richmond | California | United States | https://x-therma.com/ | Core Company |
| Xcenda LLC | Palm Harbor | Florida | United States | xcenda.com | Service Provider (SVCP) |
| Xencor, Inc | Monrovia | California | United States | xencor.com | Core Company |
| Ximbio | Boston | Massachusetts | United States | ximbio.com | Core Subsidiary |
| XinThera | San Diego | California | United States | xinthera.com | Core Company |
| XOMA Royalty | Emeryville | California | United States | xoma.com | Investor/Venture Capital |
| XyloCor Therapeutics | Malvern | Pennsylvania | United States | xylocor.com | Core Company |
| Xylyx Bio | Brooklyn | New York | United States | xylyxbio.com | Core Company |
| Xyone Therapeutics Inc. | Canton | Massachusetts | United States | xyonetx.com | Core Company |
| Y-mAbs Therapeutics, Inc | New York | New York | United States | ymabs.com | Core Subsidiary |
| Ymmunobio AG | Riehen | Switzerland | https://www.ymmunobio.com/ | Core Company | |
| YourChoice Therapeutics | San Francisco | California | United States | yourchoicetx.com | Core Company |
| ZEeST Bio | Watertown | Massachusetts | United States | https://zeest.bio | Core Company |
| Zevra Therapeutics, Inc. | Celebration | Florida | United States | https://zevra.com/ | Core Company |
| Zipcode Bio | Weston | Massachusetts | United States | www.zipcodebio.com | Core Company |
| Zy Therapeutics | Mendham | New Jersey | United States | zytherapeutics.com/ | Core Company |
| Zymeworks, Inc | Vancouver | British Columbia | Canada | zymeworks.com | Core Company |
| ZymoGenetics, Inc | Seattle | Washington | United States | zgi.com | Core Subsidiary |
| ZyStor Therapeutics, Inc | Milwaukee | Wisconsin | United States | zystor.com | Core Company |
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