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The 26 largest pharmaceutical companies in New York

Tamtam tracks 26 pharmaceutical companies headquartered in New York. This list ranks all of them by number of employees on LinkedIn, led by Pfizer, ICON Central Laboratories and Schr枚dinger. Their median headcount is 315. Half of them were founded in 2013 or later.

馃嚭馃嚫 New York26 companiesUpdated Nov 2, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
Pfizerpfizer.com

A leading biopharmaceutical company focused on research and innovation to develop therapies that improve and extend the lives of patients worldwide

Pharmaceutical Manufacturing 馃嚭馃嚫 New York 102,598 n/a
2
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

Pharmaceutical Manufacturing 馃嚭馃嚫 New York 1,683 1993
3
Schr枚dingerschrodinger.com

Innovative computational platform for biopharmaceutical and industrial research, with drug discovery programs and global collaborations in diverse therapeutic areas

Software Development 馃嚭馃嚫 New York 1,009 1990
4
Axsome Therapeutics, Inc.axsome.com

Biopharmaceutical company focused on developing novel therapies for central nervous system conditions with limited treatment options, improving patient lives and providing more therapeutic options

Biotechnology Research 馃嚭馃嚫 New York 846 2012
5
Becton, Dickinson and Company

A global medical technology company focused on producing and selling equipment, systems, and reagents to improve human health worldwide

Medical Equipment Manufacturing 馃嚭馃嚫 New York 792 n/a
6
Menarini Stemlinestemline.com

Development and commercialization of innovative targeted therapies for cancer patients, including FDA-approved ELZONRIS and clinical-stage candidates.

Biotechnology Research 馃嚭馃嚫 New York 792 n/a
7
Sumitomo Chemical: Group Companies of the Americassumitomochemicalamerica.com

Diverse chemical company providing innovative products and technologies to address global needs, committed to corporate social responsibility and solving global challenges

Chemical Manufacturing 馃嚭馃嚫 New York 509 1915
8
LetsGetCheckedletsgetchecked.com

A virtual care company offering telehealth services, pharmacy, and home laboratory tests for various health conditions, promoting accessible healthcare worldwide

Hospitals and Health Care 馃嚭馃嚫 New York 444 2015
9
OWKINowkin.com

Building an AI operating system for biology, trained on patient data and biological feedback, driving breakthroughs in therapies, diagnostics, and rejuvenation.

Technology, Information and Internet 馃嚭馃嚫 New York 434 2016
10
Kaneka North Americakaneka.com

Producer of diverse chemical products, including resins, pharmaceuticals, food supplements, and synthetic fibers, also specializing in advanced photovoltaic solar energy systems.

Chemical Manufacturing 馃嚭馃嚫 New York 401 1949
11
IAVIiavi.org

A non-profit organization developing vaccines and antibodies for HIV, tuberculosis, and emerging infectious diseases to create accessible public health solutions

Research Services 馃嚭馃嚫 New York 367 1996
12
Syndax Pharmaceuticalssyndax.com

A biotechnology company located in Waltham, MA focusing on developing pharmaceuticals

Biotechnology Research 馃嚭馃嚫 New York 334 n/a
13
Immunovantimmunovant.com

A clinical-stage immunology company developing targeted therapies for autoimmune diseases to improve the lives of affected individuals Visit immunovantcom for more information

Biotechnology Research 馃嚭馃嚫 New York 315 2018
14
Roivantroivant.com

Roivant builds nimble biotech and healthcare technology companies to deliver innovative medicines targeting various diseases with a focus on unmet medical needs

Biotechnology Research 馃嚭馃嚫 New York 229 2014
15
Formation Bioformation.bio

Technology platform optimizing clinical drug development, accelerating trial design, completion, and data quality to speed up new treatment access.

Biotechnology Research 馃嚭馃嚫 New York 196 2013
16
Clever Leavescleverleaves.com

A leading multinational producer of pharmaceutical-grade cannabinoids, offering environmentally sustainable and high-quality products to B2B customers worldwide

Pharmaceutical Manufacturing 馃嚭馃嚫 New York 187 2016
17
TransPerfect Life Scienceslifesciences.transperfect.com

Global content solutions for life sciences industries, specializing in eClinical innovation to streamline clinical processes worldwide from lab to launch

Pharmaceutical Manufacturing 馃嚭馃嚫 New York 185 n/a
18
AtaiBeckleyataibeckley.com

A biopharmaceutical company incubating and accelerating highly effective mental health treatments to address unmet patient needs and heal mental health disorders globally

Biotechnology Research 馃嚭馃嚫 New York 103 2018
19
Target Healthtargethealth.com

A full service CRO specializing in paperless clinical trials, offering eSource EDC software, regulatory affairs, trial management, biostatistics, and more

Pharmaceuticals 馃嚭馃嚫 New York 95 1993
20
Y-mAbs Therapeutics, Inc.ymabs.com

A clinical biopharmaceutical company developing novel antibody-based cancer therapeutics to address unmet medical needs in pediatric and adult patients

Biotechnology Research 馃嚭馃嚫 New York 61 2015
21
Pragmapragmatrading.com

Quantitative technology provider offering customizable trading algorithms and analytical solutions for optimal performance and transparent market connectivity

Financial Services 馃嚭馃嚫 New York 45 2003
22
PAVmed Inc.pavmed.com

Innovative medical device company with a rapid concept-to-commercialization business model, focusing on expanding pipeline strategy for value creation

Medical Equipment Manufacturing 馃嚭馃嚫 New York 39 2014
23
HOOKIPA Pharma Inc.hookipapharma.com

Clinical-stage biopharmaceutical company developing immunotherapies using an arenavirus platform to mobilize and amplify T cells for cancers and infectious diseases.

Biotechnology Research 馃嚭馃嚫 New York 27 2011
24
Waypoint Biowaypointbio.com

Venture-backed biotech startup developing advanced cell therapies for solid tumors to revolutionize cancer treatment

Biotechnology Research 馃嚭馃嚫 New York 20 2021
25
Kuraray Noritake Dental-USkuraraydental.com

Innovative dental technology company transforming cutting-edge research into practical solutions for the betterment of humanity

Hospitals and Health Care 馃嚭馃嚫 New York 10 1926
26
Genetic Leapgenetic-leap.com

Using AI, the company pioneers disease cure since 2016, controlling gene expression of undruggable targets like MYC and IL-2 via pill delivery

Biotechnology Research 馃嚭馃嚫 New York 8 2017

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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 Nov 2, 2026.

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