| Company Name | City | State | Country/Region | Website | Service Type |
|---|---|---|---|---|---|
| OriCiro Genomics | Tokyo | Japan | www.oriciro.com | Core Company | |
| Origenis Gmbh | Planegg | Germany | origenis.com | Core Company | |
| Origin Biosciences, Inc. | Palo Alto | California | United States | https://www.origintx.com/ | General Company |
| Orna Therapeutics, Inc. | Cambridge | Massachusetts | United States | ornatx.com | Core Company |
| Orpheris, Inc. | Redwood City | California | United States | orpheris.com | Core Subsidiary |
| Oryn Therapeutics | Los Angeles | California | United States | oryntherapeutics.com | Core Company |
| Oryon Cell Therapies | Watertown | Massachusetts | United States | www.oryoncelltherapies.com | General Company |
| OS Therapies | New York | New York | United States | ostherapies.com | Core Company |
| Ouro Medicines | South San Francisco | California | United States | www.ouromeds.com | Core Subsidiary |
| Outer Biosciences LLC | Malden | Massachusetts | United States | outerbio.com | Core Company |
| Outlook Therapeutics, Inc. | Iselin | New Jersey | United States | outlooktherapeutics.com | Core Company |
| Ovid Therapeutics Inc. | New York | New York | United States | ovidrx.com | Core Company |
| Oxford Biotherapeutics Inc. | San Jose | California | United States | oxbt.com | Core Company |
| Paint Therapeutics LLC | Atlanta | Georgia | United States | painttherapeutics.com | Core Company |
| Palatin Technologies, Inc | Cranbury | New Jersey | United States | palatin.com | Core Company |
| Pall Corporation | Port Washington | New York | United States | pall.com | Core Subsidiary |
| Pall Life Sciences, Inc | Ann Arbor | Michigan | United States | pall.com | General Company |
| Palladio Biosciences | Horsham | Pennsylvania | United States | palladiobio.com | Core Company |
| Pandion Therapeutics | Watertown | Massachusetts | United States | pandiontx.com | Core Company |
| Pappas Capital, LLC | Durham | North Carolina | United States | pappas-capital.com | Investor/Venture Capital |
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