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The 30 largest Research Services companies in Massachusetts

Tamtam tracks 30 Research Services companies headquartered in Massachusetts. This list ranks all of them by number of employees on LinkedIn, led by PPD, Broad Institute of MIT and Harvard and Forrester. Their median headcount is 319. Half of them were founded in 1991 or later. The most common headquarters are Cambridge (12) and Boston (9).

馃嚭馃嚫 Massachusetts30 companiesUpdated Oct 24, 2026
#CompanyIndustryHeadquarters EmployeesFounded
1
PPDppd.com

Global clinical development services including laboratory testing, patient recruitment, and data analytics to accelerate drug innovation for pharma, biotech, and government organizations.

Research Services 馃嚭馃嚫 Waltham 20,440 n/a
2
Broad Institute of MIT and Harvardbroadinstitute.org

Multidisciplinary teams collaborate across labs and programs to address complex biomedical challenges in human biology and disease worldwide.

Research Services 馃嚭馃嚫 Cambridge 3,204 2003
3
Forresterforrester.com

Provides research, consulting, and events to help leaders use customer-focused insights and data to drive growth and navigate change.

Research Services 馃嚭馃嚫 Cambridge 1,653 1983
4
Woods Hole Oceanographic Institutionwhoi.edu

A nonprofit organization dedicated to ocean research, engineering, and education, focused on advancing solutions for the planet's future

Research Services 馃嚭馃嚫 Woods Hole 1,330 1930
5
Care Accesscareaccess.com

Global research site facilitating access to clinical research to increase availability of new treatments in communities worldwide

Research Services 馃嚭馃嚫 Boston 860 2015
6
Abdul Latif Jameel Poverty Action Lab (J-PAL)povertyactionlab.org

Global network conducting randomized evaluations to improve poverty reduction programs, informing policy through scientific evidence and training.

Research Services 馃嚭馃嚫 Cambridge 760 2003
7
Insteminstem.com

Provider of IT applications for early development healthcare market, offering solutions for data collection, management, and analysis worldwide Supports clients globally for data-driven decision making

Research Services 馃嚭馃嚫 Boston 526 1969
8
Center for Astrophysics | Harvard & Smithsoniancfa.harvard.edu

A collaborative research center between Harvard and the Smithsonian dedicated to advancing knowledge of the universe through astronomy and astrophysics

Research Services 馃嚭馃嚫 Cambridge 519 1973
9
Marine Biological Laboratorymbl.edu

A nonprofit research institution dedicated to exploring biology, marine biodiversity, and environmental science, while educating and informing the public

Research Services 馃嚭馃嚫 Woods Hole 503 1888
10
Veristatveristat.com

A science-first CRO and consultancy specializing in complex therapies, offering strategic planning, regulatory expertise, and clinical trial execution for drug development

Research Services 馃嚭馃嚫 Southborough 487 1994
11
U.S. DOT Volpe National Transportation Systems Centervolpe.dot.gov

A federally funded agency within the US Department of Transportation, providing innovative solutions and expertise to improve transportation systems nationwide

Research Services 馃嚭馃嚫 Cambridge 428 1970
12
Whitehead Institutewi.mit.edu

A leading nonprofit research institution collaborating with MIT, pioneering biomedical science through innovative research in cancer, immunology, genetics, and more

Research Services 馃嚭馃嚫 Cambridge 405 1982
13
National Bureau of Economic Researchnber.org

A nonprofit research organization conducting nonpartisan economic research through a network of over 1,700 affiliated scholars, without making policy recommendations

Research Services 馃嚭馃嚫 Cambridge 375 1920
14
Physical Sciences Inc.psicorp.com

Innovative technology solutions provider for government and commercial customers, specializing in developing advanced prototypes and transitioning technology from lab to use

Research Services 馃嚭馃嚫 Andover 321 1973
15
Ragon Institute of Mass General Brigham, MIT, and Harvardragoninstitute.org

Leading collaborative research institute focused on developing an HIV/AIDS vaccine, fostering innovative partnerships, funding promising studies, and accelerating bench-to-bedside research for immunology advancements

Research Services 馃嚭馃嚫 Cambridge 319 2009
16
Linduslindushealth.com

Accelerating clinical trials for life science pioneers by running faster, more reliable studies with unique software and access to 30 million Electronic Health Records

Research Services 馃嚭馃嚫 Boston 218 n/a
17
Saint-Gobain Research North Americasgr-northamerica.saint-gobain.com

Innovative research lab developing ceramic and polymer solutions for energy efficiency, resource conservation, and various industries through advanced manufacturing processes

Research Services 馃嚭馃嚫 Northborough 187 1985
18
Lux Researchluxresearchinc.com

Leading provider of tech-enabled research and advisory solutions, combining technical expertise with proprietary intelligence platform to help clients drive growth through technology innovation

Research Services 馃嚭馃嚫 Boston 183 2004
19
QuEra Computing Inc.quera.com

QuEra Computing is a Boston-based company developing advanced neutral-atoms based quantum computers for solving commercially relevant problems with their signature 256-qubit machine

Research Services 馃嚭馃嚫 Boston 179 2018
20
The AI Institutetheaiinstitute.com

A research-driven organization in Cambridge focusing on AI and robotics to develop intelligent machines for productivity, safety, and human well-being

Research Services 馃嚭馃嚫 Cambridge 177 2022
21
Eduventuresencoura.org

Provider of research, analysis, and advisory services for higher education leaders, offering insights on trends, technologies, and decision-making in education

Research Services 馃嚭馃嚫 Boston 167 1993
22
TERCterc.edu

STEM-focused non-profit in Cambridge, MA, dedicated to innovative, learner-centered education through research, curriculum development, technology, and professional development for social justice

Research Services 馃嚭馃嚫 Cambridge 164 1965
23
Woodwell Climate Research Centerwoodwellclimate.org

A research center focused on climate science, people, and nature, partnering globally for impactful solutions to address the climate crisis

Research Services 馃嚭馃嚫 Falmouth 158 1985
24
Mitsubishi Electric Research Laboratoriesmerl.com

Research organization focusing on multi-physical modeling, optimization, control, signal processing, and artificial intelligence Emphasizes collaboration, publication, and impact measurement

Research Services 馃嚭馃嚫 Cambridge 156 1991
25
Center for Education Policy Research at Harvard Universitycepr.harvard.edu

A research partnership at Harvard University harnessing data to address education policy questions and improve educational outcomes for students

Research Services 馃嚭馃嚫 Cambridge 156 n/a
26
Oracle Labsoracle.com

Cutting-edge research in machine learning & intelligent business processes to drive innovation & deliver solutions to global customers Join us!

Research Services 馃嚭馃嚫 Burlington 146 n/a
27
Aerodyne Researchaerodyne.com

Provides research, development, advanced sensors, and software for environmental quality, clean energy, propulsion technologies, and defense remote sensing.

Research Services 馃嚭馃嚫 Billerica 104 n/a
28
United Imaging Intelligenceuii-ai.com

A leading international medical AI company founded in 2017, providing innovative solutions for healthcare through AI technology in various medical fields

Research Services 馃嚭馃嚫 Boston 70 2017
29
Tufts Clinical and Translational Science Institute (CTSI)tuftsctsi.org

Dedicated to improving clinical care and health through innovative team science, connecting researchers, healthcare industry, and community stakeholders for better health outcomes

Research Services 馃嚭馃嚫 Boston 46 2008
30
MGH Mongan Institutemonganinstitute.org

A leading community of scientists focused on transforming health care and achieving health equity through research, training, and collaborations

Research Services 馃嚭馃嚫 Boston 21 1998

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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 Oct 24, 2026.

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