| # | Company | Employees |
|---|---|---|
| 1 |
Precision Medicine Groupprecisionmedicinegrp.com
A company founded in 2012 focused on improving the drug development process through technology, data, human expertise, and strategic acquisitions |
3,553 |
| 2 |
Precision For Medicineprecisionformedicine.com
A global precision medicine clinical research organization improving therapeutics development with integrated clinical operations, laboratory expertise, and advanced data sciences |
2,060 |
| 3 |
US Pharmacopeiausp.org
An independent, nonprofit organization establishing quality standards for medicines and dietary supplements to protect patient safety and improve global health |
1,672 |
| 4 |
United Therapeutics Corporationunither.com
Biotechnology company developing unique products for patients with chronic conditions, with a focus on providing transplantable organs Employees collaborate worldwide |
1,515 |
| 5 |
Emmes Grouptheemmesgroup.com
A company dedicated to advancing public health and biopharmaceutical innovation by combining human intelligence with artificial intelligence in clinical research |
1,411 |
| 6 |
Emergent BioSolutionsemergentbiosolutions.com
This company develops, manufactures, and delivers protections against public health threats to defend people and ensure preparedness |
1,366 |
| 7 |
Emmestheemmesgroup.com
A global Contract Research Organization (CRO) with expertise in clinical research across various therapeutic areas, supporting public health and biopharmaceutical innovation |
1,188 |
| 8 |
MESO SCALE DIAGNOSTICS, LLC.mesoscale.com
Develops, manufactures, and commercializes assays and instruments for measuring molecules in biological samples, supporting medical research and drug development with proprietary technology. |
1,035 |
| 9 |
Navitas Life Sciencesnavitaslifesciences.com
Global clinical research organization providing technology-driven CRO services, data science, regulatory support, and industry-focused consulting to biopharmaceutical clients worldwide |
1,014 |
| 10 |
Novavaxnovavax.com
Creating accessible next generation vaccines to combat infectious diseases and viral threats, driven by passion for global health and guided by science and technology |
972 |
| 11 |
MedImmuneparkedpage.astrazeneca.com
Global biologics research and development arm focused on discovering, developing, and commercializing small molecule and biologic prescription medicines across various medical areas |
888 |
| 12 |
Tasly Pharmaceutica Group Co., Ltd.tasly.com
Overseas headquarters of a China-based pharmaceutical company, publicly traded on the Shanghai exchange, focusing on healthcare products and services |
875 |
| 13 |
Supernus Pharmaceuticals, Inc.supernus.com
A pharmaceutical company specializing in developing and marketing products for central nervous system diseases, including treatments for ADHD, epilepsy, migraine, and Parkinson's disease |
844 |
| 14 |
Walter Reed Army Institute of Researchwrair.health.mil
The company conducts research to develop vaccines, drugs, and solutions to protect military personnel from infectious diseases and enhance their resilience and readiness |
678 |
| 15 |
BioReliancesigmaaldrich.com
Offers comprehensive biosafety and product characterization testing services for pharma and biopharma, ensuring regulatory compliance and faster market access for life-changing drugs. |
503 |
| 16 |
REGENXBIOregenxbio.com
A biotechnology innovator specializing in developing and licensing gene therapy products using a proprietary AAV gene delivery platform |
388 |
| 17 |
Ambu USAambuusa.com
Design and manufacture of life-saving medical devices including resuscitators and single-use endoscopy products for patient care. |
383 |
| 18 |
MacroGenics, Inc.macrogenics.com
A leader in innovative medicine discovery and development with next-generation antibody technologies, focused on treating cancer and fostering employee growth |
379 |
| 19 |
Wellness Corporate Solutions, LLClabcorp.com
Provider of comprehensive well-being solutions and insights, including COVID-19 return to work solutions, biometric screenings, health coaching, and analytics for employers and health consumers |
377 |
| 20 |
PPDโข Evideraโข Solutionsppd.com
Evidera offers evidence-based solutions for demonstrating the real-world effectiveness, safety, and value of biopharmaceutical products from early development to loss of exclusivity |
373 |
| 21 |
Dynasplint Systems, Inc.dynasplint.com
This company designs and sells gentle stretching devices to increase joint range of motion and expedite recovery for patients Dedicated to restoring quality of life |
373 |
| 22 |
Pii, A Jabil Companypharm-int.com
Provides comprehensive drug development and manufacturing solutions for aseptic and oral dosage forms, handling complex formulations, potent compounds, and controlled substances. |
351 |
| 23 |
Technical Resources International, Inc.tech-res.com
A certified Hispanic woman-owned organization providing product development support services to the global drug, biologic, vaccine, medical device, and health sector communities |
318 |
| 24 |
ABLablinc.com
Provides product development expertise, GMP manufacturing, and analytical testing capabilities for life sciences, advancing vaccines, therapies, and diagnostics from concept to clinical trials. |
298 |
| 25 |
KPL (Part of LGC Clinical Diagnostics)seracare.com
Provider of over 800 high-quality reagents and kits for immunoassays, immunohistochemistry, infectivity assays, and flow cytometry, focusing on sensitivity and specificity optimization |
181 |
| 26 |
StageBiostagebio.com
A leading international provider of GLP-compliant research, preclinical and clinical histology, pathology, and specimen archiving services for biopharmaceutical, medical device, and contract research industries |
122 |
| 27 |
AbelZetaabelzeta.com
A subsidiary of CBMG Holdings specializing in developing cell therapies for cancerous and autoimmune diseases |
121 |
| 28 |
Cangene bioPharmaemergentcontractmanufacturing.com
Provides fill/finish services for pharmaceutical and biotechnology companies. Aseptically fills liquid and lyophilized products in vials and syringes, with global distribution. |
82 |
| 29 |
Paragon Bioservices, Inc.biologics.com
A full-service partner specializing in viral vector scale-up, production, and cell therapy development for biotherapeutics, with global manufacturing facilities |
60 |
| 30 |
Adaptive Phage Therapeuticsaphage.com
APT develops innovative therapies utilizing bacteriophages to combat multi-drug resistant infections, providing broad spectrum coverage where traditional antibiotics fail |
50 |
| 31 |
Leadiant Biosciences, Inc.leadiant.com
A rare disease pharmaceutical company focused on developing novel medicines to meet the unmet needs of patients with rare diseases |
45 |
| 32 |
MultiplexDX Internationalmultiplexdx.com
A global corporation focused on accurate cancer diagnosis, developing molecular diagnostic technologies, custom oligonucleotides, 3D digital pathology services, and improving breast cancer treatment outcomes |
44 |
| 33 |
NexImmune, Inc.neximmune.com
A clinical-stage biotech company developing T cell immunotherapies using proprietary AIM technology, with a focus on treating AML and multiple myeloma |
34 |
| 34 |
movmedixmovmedix.com
A pioneering company in the sports medicine market, known for leading advancements in artificial ligaments and developing innovative solutions |
32 |
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 2, 2026.
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