| # | Company | Employees |
|---|---|---|
| 1 |
Pfizerpfizer.com
A leading biopharmaceutical company focused on research and innovation to develop therapies that improve and extend the lives of patients worldwide |
102,598 |
| 2 |
AbbVieabbvie.com
Global biopharmaceutical company focused on creating impactful medicines for complex health issues in immunology, oncology, neuroscience, eye care, aesthetics, and other unmet needs |
61,015 |
| 3 |
Eli Lilly and Companylilly.com
A pharmaceutical company dedicated to discovering medicines, improving disease management, and giving back to communities through philanthropy and volunteerism |
56,750 |
| 4 | 44,477 | |
| 5 | 39,546 | |
| 6 |
Bristol Myers Squibbbms.com
This company works to transform patients' lives through science by developing innovative therapies and promoting health equity for those affected by serious diseases |
39,000 |
| 7 |
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 |
| 8 |
Viatrisviatris.com
Global healthcare company providing extensive medicine portfolio and supply chain to deliver high-quality medicines addressing diverse health needs worldwide. |
17,886 |
| 9 |
Mylanviatris.com
Empowering people worldwide to live healthier at every stage of life through a merger with Upjohn, now known as Viatris |
15,198 |
| 10 |
Zoetiszoetis.com
A global leader in animal health, focused on advancing care for animals through medicines, vaccines, diagnostics, and technologies in over 100 countries |
13,514 |
| 11 |
Catalentcatalent.com
Global contract development and manufacturing organization for pharma, biotech, consumer health companies, producing billions of doses annually. |
12,534 |
| 12 |
Elancoelanco.com
A global animal health company providing innovative products and services for pets and farm animals, empowering customers to enhance animal well-being and advance society |
9,362 |
| 13 |
Bausch + Lombbausch.com
Provides comprehensive eye health products including contact lenses, lens care, pharmaceuticals, and surgical devices to people worldwide. |
9,344 |
| 14 |
Organonorganon.com
Global healthcare company offering therapies in womenโs health, biosimilars, and established medicines to improve everyday health, advising caution against recruitment fraud |
9,000 |
| 15 |
Amneal Pharmaceuticalsamneal.com
Pharmaceutical company providing affordable essential medicines through generics, branded products, injectables, biosimilars, and international market expansion. |
7,359 |
| 16 |
Medpacemedpace.com
Global CRO accelerating drug, biologic, and medical device clinical development through high-science expertise in various therapeutic areas worldwide |
6,421 |
| 17 |
West Pharmaceutical Serviceswestpharma.com
provider of high-quality injectable components and devices ensuring safe, effective delivery and containment of medicines worldwide |
6,268 |
| 18 |
CSL Plasmacslplasma.com
Collects human plasma globally, providing vital plasma-derived therapies for people with rare and serious diseases, ensuring healthier lives through quality and safety standards. |
6,176 |
| 19 |
Lupin Pharmaceuticalslupin.com
Manufactures branded, generic, and biotechnology pharmaceutical products globally, specializing in respiratory, cardiovascular, anti-diabetic, and women's health therapy areas. |
5,346 |
| 20 |
Akums Drugs& Pharmaceuticals Ltdakums.in
Leading pharmaceutical contract development and manufacturing for diverse formulations, including oral solids, liquids, injectables, personal care, and animal healthcare solutions. |
5,173 |
| 21 |
Omnicare, a CVS Health companyomnicare.com
Provider of pharmaceutical services to long-term care facilities, leveraging clinical expertise and innovative technology to support patients, residents, and biopharmaceutical industry |
4,989 |
| 22 |
EVERSANAeversana.com
Provider of global services to the life sciences industry, focusing on the patient experience and delivering value throughout the product life cycle Serving 650+ organizations |
4,836 |
| 23 |
PCI Pharma Servicespci.com
Provides world-class solutions for drug development, manufacturing, advanced drug delivery, clinical trials, and commercial packaging, delivering life-changing therapies globally. |
4,795 |
| 24 |
Daiichi Sankyo USdaiichisankyo.us
Development of innovative medicines using advanced science and technology to address cancer, cardiovascular, and other serious diseases. |
4,437 |
| 25 |
Hospirahospira.com
This company, now part of Pfizer Inc, focuses on providing more information through their LinkedIn account |
4,102 |
| 26 |
BioLife Plasma Servicesbiolifeplasma.com
The company focuses on improving the lives of patients with rare diseases through donor support, career growth opportunities, and comprehensive benefits in a friendly environment |
4,006 |
| 27 |
Otsuka Pharmaceutical Companies (U.S.)otsuka-us.com
Commercialization of discovered and licensed pharmaceutical products in North America and global clinical development and registration of healthcare products. |
3,728 |
| 28 |
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 |
| 29 |
DIVIS LABORATORIESdivislabs.com
Manufactures leading generic APIs, nutraceutical ingredients, and custom synthesizes APIs and intermediates for global innovator companies, exporting to regulated markets. |
3,537 |
| 30 |
Incyteincyte.com
Global biopharmaceutical company focused on discovering, developing, and commercializing innovative medicines for patients with unmet medical needs in Oncology and Inflammation & Autoimmunity. |
3,425 |
| 31 |
Curiacuriaglobal.com
Develops and manufactures biologics and small molecules, spanning discovery to commercialization, with regulatory and analytical support to accelerate life-changing therapeutics. |
3,398 |
| 32 |
BeOne Medicinesbeonemedicines.com
Developing innovative, affordable cancer treatments for hematology and solid tumors with a global team and collaborative approach. |
3,350 |
| 33 |
PharMericapharmerica.com
One of the largest institutional pharmacy companies in the US, offering national coverage with local care, clinical quality, and diverse career opportunities |
3,239 |
| 34 |
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 |
| 35 |
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 |
| 36 |
MMSmmsholdings.com
A global CRO specializing in clinical research services for pharmaceutical and biotech companies, focused on innovation, quality, and delivering life-changing therapies |
3,136 |
| 37 |
Piramal Pharma Solutionspiramalpharmasolutions.com
Offers end-to-end development and manufacturing solutions across the drug life cycle, serving customers globally with a comprehensive range of services and specialized offerings. |
3,095 |
| 38 |
WuXi Biologicswuxibiologics.com
Offers global biologics technology platform providing end-to-end solutions for discovery, development, and manufacturing of biologics from concept to commercialization. |
3,018 |
| 39 | 2,752 | |
| 40 |
AGC Biologicsagcbio.com
Provides world-class development and manufacturing of therapeutic proteins, plasmid DNA, messenger RNA, viral vectors, and genetically engineered cell therapies globally. |
2,525 |
| 41 |
Hovionehovione.com
Company helps partners transform scientific innovation into medicines, supporting drug substance, intermediate, and product development and manufacturing across the full lifecycle. |
2,522 |
| 42 |
Cencora | Pharma solutionscencora.com
A global pharmaceutical solutions organization partnering with pharma innovators to optimize product potential and improve access to healthcare products |
2,500 |
| 43 |
Allergan Aesthetics, an AbbVie Companyglobal.allerganaesthetics.com
Develop, manufacture, and market a portfolio of leading aesthetics products including facial injectables, body contouring, plastics, and skin care. |
2,456 |
| 44 |
Curium Pharmacuriumpharma.com
Global leader in nuclear medicine, providing life-changing diagnostics and treatment for cancer patients worldwide through innovative radiopharmaceutical products and AI-driven solutions |
2,236 |
| 45 |
Par Healthparhealth.com
Manufactures generic medicines, active pharmaceutical ingredients, and sterile injectables across multiple therapeutic areas, providing essential healthcare solutions for patients and providers. |
2,196 |
| 46 | 2,094 | |
| 47 |
Patheonpatheon.com
Provides industry-leading pharma services for drug development, clinical trials, and commercial manufacturing, partnering with pharmaceutical, biotech, and life science companies globally. |
2,072 |
| 48 |
ERTclario.com
Clario is a technology company specializing in clinical endpoint technology and medical imaging, aiming to innovate clinical trials and impact global healthcare positively |
1,914 |
| 49 |
EMD Serono, Inc.emdserono.com
Developing biopharmaceutical treatments for infertility, multiple sclerosis, and cancer to address serious unmet medical needs in healthcare. |
1,788 |
| 50 |
Fresenius Kabi USAfresenius-kabi.com
A global healthcare company specializing in Pharma, Nutrition, MedTech, and BioPharma products for critical and chronic conditions worldwide |
1,759 |
| 51 |
Cambrexcambrex.com
Provides drug substance development, manufacturing, analytical, and IND-enabling services across the entire drug lifecycle, leveraging specialized technologies and expertise. |
1,744 |
| 52 |
ICON Central Laboratoriesiconplc.com
Global provider of central laboratory services for clinical development, with accreditation and certifications, and part of a larger company offering outsourced development services worldwide |
1,683 |
| 53 |
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 |
| 54 | 1,625 | |
| 55 |
ClinChoiceclinchoice.com
A global clinical CRO offering high-quality, efficient solutions to clients worldwide in biostatistics, clinical operations, data management, regulatory affairs, and more |
1,624 |
| 56 |
Takeda Oncologytakedaoncology.com
Global oncology business unit leveraging transformative medicines to treat hematologic cancers and solid tumors, driving innovation through partnerships and cutting-edge science |
1,621 |
| 57 |
Phibro Animal Healthpahc.com
A global company focused on providing natural, sustainable products to support animal health and nutrition for a healthier, more sustainable world |
1,586 |
| 58 |
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 |
| 59 |
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 |
| 60 |
Sharp Servicessharpservices.com
Provides commercial packaging, clinical services, and sterile manufacturing for pharmaceutical and biotech clients, covering R&D to market launch globally. |
1,506 |
| 61 |
Bioclinicaclario.com
Clario is a technology company specializing in clinical endpoint technology and medical imaging, aiming to innovate clinical trials and impact global healthcare positively |
1,478 |
| 62 |
SK pharmtecoskpharmteco.com
Global contract development and manufacturing organization for active pharmaceutical ingredients, advanced intermediates, and cell and gene therapy for the pharmaceutical industry. |
1,433 |
| 63 |
ConnectiveRxconnectiverx.com
The company simplifies the prescription process, connecting patients with specialty medications through hub services and adherence solutions for pharmaceutical companies |
1,430 |
| 64 | 1,428 | |
| 65 |
Lash Grouplashgroup.com
A global pharmaceutical solutions company focused on improving health outcomes by optimizing market access to therapies for people and animals worldwide |
1,428 |
| 66 |
Torrent Pharma Inc.torrentpharma.com
Commercializes FDA-approved generic pharmaceutical products in the US, with a significant pipeline and manufacturing expansion to fuel business growth. |
1,423 |
| 67 |
Kindeva Drug Deliverykindevadd.com
CDMO advancing drug projects with expertise in injectable, inhalation, and dermal delivery, optimizing development and manufacturing for pharmaceutical companies. |
1,369 |
| 68 |
Allucentallucent.com
A global provider of drug development solutions for small and mid-sized biotech companies, offering consulting, clinical operations, and more |
1,355 |
| 69 |
AllianceRx Walgreens Pharmacyalliancerxwp.com
A specialty and home delivery pharmacy providing exceptional care for complex, chronic conditions nationwide, offering tools, resources, and 24/7 support |
1,336 |
| 70 |
Lantheuslantheus.com
A company with over 65 years of experience in delivering science-based solutions for improved patient outcomes through diagnostics, radiotherapeutics, and AI |
1,301 |
| 71 |
Resilienceresilience.com
Focused on providing high-quality, scalable manufacturing solutions for advanced therapies, partnering with biopharma companies to bring complex medicines to market. |
1,301 |
| 72 |
ICScencora.com
A pioneer in specialty logistics, ICS partners with pharmaceutical manufacturers to enhance supply chain efficiency, optimize ROI, and improve patient care |
1,291 |
| 73 |
Valeant Pharmaceuticalsbauschhealth.com
Development and commercialization of specialty pharmaceutical products focusing on eye health, dermatology, and gastrointestinal treatments worldwide. |
1,273 |
| 74 |
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 |
| 75 |
Colorconcolorcon.com
Develops, supplies, and supports formulated film coating systems, modified release technologies, core excipients, and functional packaging for the pharmaceutical industry. |
1,228 |
| 76 |
Aurobindo Pharma USA, Inc.aurobindousa.com
Provider of affordable generic pharmaceuticals with a broad portfolio of over 150 product families across various therapeutic categories Recognized for rapid growth and high prescription dispensing |
1,198 |
| 77 |
Qยฒ Solutionslabs.iqvia.com
Company undergoing rebranding and transition from Qยฒ Solutions to IQVIA Laboratories, directing audience to new website and LinkedIn. |
1,181 |
| 78 |
Celerioncelerion.com
A leader in early clinical research, specializing in Applied Translational Medicine, conducting various clinical studies to support early drug development decisions |
1,172 |
| 79 |
Sumitomo Pharma America, Inc.sumitomo-pharma.com
Science-driven biopharmaceutical company focusing on therapeutic breakthroughs in psychiatry, neurology, oncology, urology, womenโs health, rare disease, and cell/gene therapies |
1,161 |
| 80 |
Madrigal Pharmaceuticalsmadrigalpharma.com
Clinical-stage biopharmaceutical company developing novel therapeutics for NASH, focusing on thyroid hormone receptor agonist to target underlying causes in the liver |
1,133 |
| 81 |
CAIcaiready.com
Trusted global experts providing engineers, project managers, and technicians to efficiently startup projects, lower costs, and drive speed to patient in various industries |
1,105 |
| 82 |
Community Pharmcy
Pharmaceutical company located in Reading, Pennsylvania, providing medications and health services to the community |
1,100 |
| 83 |
EMSIemsinet.com
The company provides biospecimen collection, medical records services for life sciences, health data for insurance carriers, drug testing support for transportation industries, and medical record organization for law firms |
1,087 |
| 84 |
Encube Ethicalsencubeethicals.com
Integrated pharmaceutical company, 23+ years, contract development and manufacturing, topical formulations, prescription, OTC, cosmetics. |
1,076 |
| 85 |
Empower Pharmacyempowerpharmacy.com
Delivers personalized, high-quality compounded medications, customizing dosages, eliminating allergens, and creating multi-drug combinations, serving healthcare providers and individual patients nationwide and internationally. |
1,050 |
| 86 |
Umbrella Corporation
An international pharmaceutical company involved in secret research, producing pharmaceutical goods, medical supplies, bio-organic weapons, cosmetics, consumer products, and foods |
1,049 |
| 87 |
Envision Pharma Groupenvisionpharmagroup.com
Provides technology-enabled strategic solutions for life sciences companies, including medical affairs, commercialization, scientific communications, and market access, supporting clients throughout the product life cycle. |
1,032 |
| 88 |
PharmScript LLCpharmscript.com
PharmScript provides superior pharmacy services to long-term and post-acute care facilities, enhancing care quality with efficient, client-centric solutions nationwide |
1,021 |
| 89 |
Simtra BioPharma Solutionssimtra.com
Offers world-class cGMP sterile fill/finish, technical expertise, and quality service to pharmaceutical and biotech companies for product development and market access. |
1,014 |
| 90 |
Acadia Pharmaceuticalsacadia.com
Develop and commercialize FDA-approved treatments for neurological disorders, focusing on underserved diseases like Parkinson's psychosis and Rett syndrome. |
1,010 |
| 91 |
Quvaonequva.com
Provides health-system pharmacies with sterile injectable outsourcing and data software solutions. Transforms complex data into actionable insights for revenue optimization, inventory, and patient care. |
1,009 |
| 92 |
INC Researchsyneoshealth.com
Syneos Health provides integrated solutions for biopharmaceutical companies, offering expertise, data, and insights to accelerate clinical and commercial success |
994 |
| 93 |
Capsugelcapsugel.com
A trusted partner in innovative capsules, dosage form solutions, and health ingredients for pharmaceutical, health, and nutrition companies worldwide Promoting healthier lives for millions |
963 |
| 94 |
Servier Pharmaceuticalsservier.us
A global pharmaceutical company focused on innovation in oncology, cardiovascular, immuno-inflammatory, neuroscience, and diabetes, prioritizing patient well-being over profits |
951 |
| 95 |
Noven Pharmaceuticalsnoven.com
Research, develop, manufacture, market, and sell prescription pharmaceutical products, with a focus on advancing patient care through transdermal drug delivery. |
949 |
| 96 |
Indiviorindivior.com
Global pharmaceutical company developing medicines for substance use disorder and mental illnesses, aiming to provide evidence-based treatment for addiction worldwide |
946 |
| 97 |
Tolmartolmar.com
A specialty pharmaceutical company innovating treatments in urology, oncology, and endocrinology, recognized for advanced long-acting injectable drug delivery capabilities globally. |
942 |
| 98 |
Sunovion Pharmaceuticalssunovion.com
Global biopharmaceutical company specializing in innovative treatments for serious neurological and psychiatric conditions through research, development, and commercialization. |
915 |
| 99 |
Azurity Pharmaceuticalsazurity.com
Development and distribution of innovative, high-quality medicines across multiple therapeutic areas, leveraging data and AI for global market reach. |
900 |
| 100 |
BIOCADbiocadglobal.com
Leading innovative biotechnology company developing drugs for cancer, HIV, Hepatitis C, multiple sclerosis, and other complex health conditions through research, manufacturing, and commercial production |
892 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
How this list is built
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.
More company lists in the United States
- The largest companies in the United States 91,669
- SaaS companies in the United States 5,724
- Hospitals and Health Care companies in the United States 5,419
- IT Services and IT Consulting companies in the United States 5,237
- Financial services firms in the United States 5,016
- Retail chains in the United States 4,617
- Software Development companies in the United States 4,505
- Financial Services companies in the United States 4,249
- Critical infrastructure operators in the United States 3,791
- Manufacturers in the United States 3,550
- Higher Education companies in the United States 3,430
- IT services companies in the United States 3,295
- Healthcare providers in the United States 3,019
- Real Estate companies in the United States 2,863
- Venture capital and private equity firms in the United States 2,659
- Construction companies in the United States 2,581
- Public sector organisations in the United States 2,527
- Energy companies in the United States 2,135
- Government Administration companies in the United States 2,059
- AI companies in the United States 2,047
- Insurance companies in the United States 2,032
- Non-profit Organizations companies in the United States 1,966
- Hardware manufacturers in the United States 1,924
- Education Administration Programs companies in the United States 1,829
The same list elsewhere in United States
- Pharmaceutical Manufacturing companies in New Jersey 80
- Pharmaceutical Manufacturing companies in Pennsylvania 43
- Pharmaceutical Manufacturing companies in California 41
- Pharmaceutical Manufacturing companies in Massachusetts 35
- Pharmaceutical Manufacturing companies in New York State 28
- Pharmaceutical Manufacturing companies in Florida 27
- Pharmaceutical Manufacturing companies in North Carolina 26