| # | Company | Employees |
|---|---|---|
| 1 |
Parexelparexel.com
Provides comprehensive clinical development services globally, from early to late phase trials, helping new treatments reach patients faster through expertise and innovation. |
21,982 |
| 2 |
Octapharma Plasma, Inc.octapharmaplasma.com
A US-based company collects, tests, and supplies human blood plasma for the creation of medicines, supporting the treatment of patients worldwide |
3,201 |
| 3 |
Merz Aestheticsmerzaesthetics.com
A global medical aesthetics business offering injectables, devices, and skincare treatments to help individuals look, feel, and live confidently worldwide |
3,164 |
| 4 |
Syneos Health Clinical Solutionssyneoshealth.com
A leading biopharmaceutical solutions organization accelerating customer success by translating insights into outcomes and delivering important therapies worldwide |
1,569 |
| 5 |
Allucentallucent.com
A global provider of drug development solutions for small and mid-sized biotech companies, offering consulting, clinical operations, and more |
1,355 |
| 6 |
Alcami Corporationalcami.com
Provides integrated lab services, drug product manufacturing, cGMP pharma storage, and support services including environmental monitoring, calibration, and validation for pharmaceuticals and biologics. |
1,242 |
| 7 |
Qยฒ Solutionslabs.iqvia.com
Company undergoing rebranding and transition from Qยฒ Solutions to IQVIA Laboratories, directing audience to new website and LinkedIn. |
1,181 |
| 8 |
INC Researchsyneoshealth.com
Syneos Health provides integrated solutions for biopharmaceutical companies, offering expertise, data, and insights to accelerate clinical and commercial success |
994 |
| 9 |
Mercalismercalis.com
Integrated life sciences commercialization partner offering end-to-end solutions, data insights, patient services, and provider tools to help companies successfully launch new products |
859 |
| 10 |
inVentiv Health Clinicalsyneoshealth.com
Integrated clinical and commercial solutions company dedicated to accelerating biopharmaceutical processes through expertise, data, and insights for global clients |
757 |
| 11 |
Endpoint Clinicalendpointclinical.com
Interactive response technology provider for life sciences industry, offering IRT systems and solutions to optimize clinical trial operations and ensure patient dosing accuracy Headquarters in Boston |
602 |
| 12 |
LabConnectlabconnect.com
LabConnect accelerates drug development by offering tailored, comprehensive central laboratory services and scientific support to pharma, biotech companies, and CROs globally |
585 |
| 13 |
Chiesi USA, Inc.chiesiusa.com
Specialty pharmaceutical company focused on hospital, rare disease, and office-based specialties Committed to being a good corporate citizen and positively impacting communities |
534 |
| 14 |
TrialCardmercalis.com
An integrated life sciences commercialization partner providing comprehensive solutions across the healthcare value chain, helping companies successfully launch new products |
446 |
| 15 |
Alphanumeric Systemsalphanumeric.com
Bridging gaps in healthcare communication, empowering pharmaceutical companies, enhancing education, understanding, access, loyalty, and improving patient adherence with tailored strategies. |
440 |
| 16 |
BestCobestco.com
A company with over 100 years of confectionary experience, revolutionizing consumer healthcare with innovative dosage forms like chewable gel gummies and soft chews |
359 |
| 17 |
Exela Pharma Sciences LLCexelapharma.com
Develops, manufactures, markets generic, proprietary injectable, sterile ophthalmic products for healthcare providers, patients. Reduces costs, improves patient outcomes, administration, safety, preparation, waste. |
336 |
| 18 |
Clinical inkclinicalink.com
provides digital solutions integrating data capture, eConsent, telehealth, and biomarkers to enhance precision and decentralize clinical trials |
329 |
| 19 |
MedPharmmedpharm.com
Supports companies navigating the complexity of topical and transdermal drug development and manufacturing, from formulation and preclinical research to clinical trial supply and commercial manufacturing. |
285 |
| 20 |
Stiefel, a GSK companygsk.com
Global leader in dermatology with operations in 132 countries, specializing in innovative skin health products, acquired by a leading pharmaceutical company |
229 |
| 21 |
AAIPharma Services Corp./ Cambridge Major Laboratories Inc (Now Part of Alcami)
Merged entity, now Alcami, offers drug product, lab services, API development, and manufacturing capabilities. Check alcaminow.com for full details. |
226 |
| 22 |
Qualicapsqualicaps.com
Global manufacturer of pharmaceutical capsules and processing equipment with over 100 years of experience Specializing in gelatin and hypromellose capsules and pharmaceutical machinery |
224 |
| 23 |
Quality Chemical Laboratoriesqualitychemlabs.com
Company providing high quality analytical development, testing services, stability studies, synthetic chemistry, and microbiological testing, operating in compliance with cGMPs and FDA regulations |
205 |
| 24 |
dMed Biopharmaceutical Co., Ltd. dba Caidyacaidya.com
A global clinical research organization focused on advancing healthcare innovation, accelerating therapy development, and providing comprehensive trial services worldwide |
176 |
| 25 |
Aerie Pharmaceuticalsaeriepharma.com
Ophthalmic pharmaceutical company specializing in innovative therapies for open-angle glaucoma, dry eye, retinal diseases, and other eye conditions, dedicated to advancing the future of eye care |
156 |
| 26 |
FHI Clinical Inc.totaltrials.com
FHI Clinical is a global CRO offering full-service solutions for managing complex clinical research projects worldwide, with a focus on at-risk populations |
152 |
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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 Oct 24, 2026.
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