| Daiichi Sankyo, Inc | Dompˇ farmaceutici S.p.A. |
| Ferring Pharmaceuticals A/S | Ferring Pharmaceuticals Inc. |
| Hoffmann-La Roche Inc. | Horizon Therapeutics Ireland DAC |
| IDEC Pharmaceuticals Corp. | ImmunoGen, Inc. | Insmed Incorporated | |
| Immunex Corporation | Incyte Corporation | Ipsen Biopharm Limited | |
| Immunocore Limited | Innate Pharma, Inc. | Ipsen Biopharmaceuticals, Inc. |
| Janssen Biotech, Inc. | Juno Therapeutics, Inc. a Bristol Myer-Squibb Company |
| Kamada Ltd. | Kite Pharma Inc. | Kyowa Kirin, Inc. | |
| Kiniksa Pharmaceuticals (UK), Ltd. | Krystal Biotech, Inc. |
| Leadiant Biosciences, Inc |
| MediWound, Ltd. | MorphoSys US Inc. | ||
| Merck Sharp & Dohme LLC | Mylan Pharmaceuticals Inc. |
| Novartis Gene Therapies, Inc. | Novartis Pharmaceuticals Corporation | Novo Nordisk Inc. |
| Octapharma Pharmazeutika Produktionsges.m.b.H. |
| Partner Therapeutics, Inc. | PharmaEssentia Corporation | ProMetic BioTherapeutics, Inc. | |
| Pharmacia & Upjohn Company LLC | Pharming Americas BV | Protein Sciences Corporation |
| QOL Medical, LLC |
| Rare Disease Therapeutics, Inc. (RDT) | Regeneron Pharmaceuticals, Inc. | ||
| Recordati Rare Diseases, Inc. | rEVO Biologics, Inc. |
| Takeda Pharmaceuticals U.S.A., Inc. | Theratechnologies Inc. |
| UAB Teva Baltics | Ultragenyx Pharamceutical Inc. | ||
| UCB, Inc. | United Therapeutics Corporation |
| Valneva Austria GmbH |
| Wellcome Foundation Limited Wellcome Research Laboratories | Wyeth Pharmaceuticals Inc. | Wyeth Pharmaceuticals LLC |
| Y-mABs Therapeutics, Inc |