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List of Publicly Traded Companies Headquartered in Massachusetts

The companies on this list are headquartered in Massachusetts. Examples of some of the larger companies on this list based on market capitalization include:

American Tower Corporation (AMT)

Analog Devices, Inc. (ADI)

Boston Properties, Inc. (BXP)

Eversource Energy (ES)

Raytheon Company (RTN)

Skyworks Solutions, Inc. (SWKS)

Thermo Fisher Scientific Inc. (TMO)

TJX Companies, Inc. (The) (TJX)

Waters Corporation (WAT)

Additional companies headquartered in Massachusetts can be found in the following sections:

Banks in Massachusetts

Biotech and Pharmaceutical Companies in Massachusetts

Medical Device Companies in Massachusetts

Select the company’s link to access charts, news links and company website and social media information.

Aerospace and Defense

Raytheon Company (RTN) (Aerospace products and services for commercial and military markets: integrated defense systems, cybersecurity, missile systems, space and airborne systems)

Agricultural Bioscience

Yield10 Bioscience, Inc. (YTEN) (Crop yield improvement technologies)

Asset Management

Affiliated Managers Group, Inc. (AMG)

Eaton Vance Corporation (EV)

Audio and Sound

Avid Technology, Inc. (AVID) (Digital audio and video technology)


LPL Financial Holdings Inc. (LPLA) (Brokerage and investment advisory services)

Building Materials

Aspen Aerogels, Inc. (ASPN) (Aerogel insulation)

Chase Corporation (CCF) (Adhesives, coatings, sealants and tapes)

GCP Applied Technologies Inc. (GCP) (Specialty construction chemicals, specialty building materials and packaging technologies)

Business Services

CRA International, Inc. (CRAI) (Litigation, regulatory and financial consulting; management consulting)

Forrester Research, Inc. (FORR) (Research services)

ModusLink Global Solutions, Inc. (MLNK) (Supply chain and logistics services)

Unifirst Corporation (UNF) (Work clothing and uniforms; facility service products)


Cabot Corporation (CBT) (Specialty chemicals and performance materials)

Children’s Products and Services

Bright Horizons Family Solutions Inc. (BFAM) (Child Day Care)

Communications Equipment

Acacia Communications Inc. (ACIA) (High-speed coherent optical interconnect products used in communications networks)

Ribbon Communications Inc. (RBBN) (Session border controllers, diameter signaling controllers, policy/routing servers, media and signaling gateways and network analytics tools)

Technical Communications Corporation (TCCO)

Communications Infrastructure

American Tower Corporation (AMT) (REIT: communications real estate)


Altra Industrial Motion Corp. (AIMC) (Mechanical power transmission components)

Construction and Engineering Services

Ameresco, Inc. (AMRC) (Projects that are designed to reduce the total energy consumption of its customer’s facilities)

Consumer Goods

iRobot Corporation (IRBT) (Home vacuum cleaner; defense products)


Rapid7 Inc. (RPD) (IPO in July 2015: Cybersecurity technologies; security data and analytics solutions)

Diversified Industrial Companies

Kadant Inc. (KAI) (Products panel and engineered wood products, fluid handling systems, cleaning and filtration systems, wood processing systems)

Downstream Oil and Gas

Global Partners L.P. (GLP) (Midstream logistics, marketing, convenience stores)


Lantheus Holdings, Inc. (LNTH) (IPO in June 2015: Diagnostic medical imaging agents; heart failure, coronary artery disease, peripheral vascular disease, strokes)

Psychemedics Corporation (PMD) (Testing services through hair samples)

T2 Biosystems, Inc. (TTOO) (Test for sepsis, hemostasis, lyme disease)


Houghton Mifflin Harcourt Company (HMHC) (Pre-K–12 educational services and book publishing)

Electrical Equipment

Tecogen Inc. (TGEN) (Combined heat and power (CHP) products and air conditioning systems)


American Outdoor Brands Corporation (AOBC) (Firearms and related products)

Food and Beverage

Boston Beer Company, Inc. (The) (SAM) (Brewing: Sam Adams)

Dunkin Brands Group, Inc. (DNKN) (Dunkin’ Donuts and Baskin-Robbins)


Acushnet Holdings Corp. (GOLF) (Golf products, brands include Titleist, FootJoy, Scotty Cameron and Vokey Design Wedges)

Healthcare Facilities

American Renal Associates Holdings, Inc. (ARA) (IPO April 21, 2016: dialysis clinics)

Civitas Solutions, Inc. (CIVI)

Five Star Quality Care, Inc. (FVE) (Alzheimer’s/memory care, assisted living, independent living and nursing & rehabilitation facilities)

Healthcare Software and Technology

athenahealth, Inc. (ATHN) (Cloud-based business services for medical practices and health systems; examples include clinical, patient, referral and revenue cycle management)

Industrial Equipment and Machinery

CIRCOR International, Inc. (CIR) (Valves; Aerospace & defense products and systems; power generation)


Safety Insurance Group, Inc. (SAFT) (Private passenger automobile insurance)

The Hanover Insurance Group, Inc. (THG) (Property and casualty products)


Akamai Technologies, Inc. (AKAM) (Content Delivery Network (CDN) services)

IT Services

CSP Inc. (CSPI) (Designs and manufactures computing systems with digital signal processing applications; computer maintenance, integration services, third-party computer hardware, software value added reseller)

Life Sciences

Quanterix Corporation (QTRX) (IPO December 7, 2017; digital immunoassay platform)

Manufacturing Equipment

Cognex Corporation (CGNX) (Machine vision systems)


CPS Technologies Corp. (CPSH) (Metal matrix composites)


Boston Omaha Corporation (BOMN) (IPO June 16, 2017; outdoor billboards, surety insurance, real estate investments)

Packaging and Containers

UFP Technologies, Inc. (UFPT) (Specialty Packaging Products)

Power Equipment

Mercury Systems Inc. (MRCY)

Vicor Corporation (VICR) (Power components and complete power systems)

Real Estate Development

New England Realty Associates Limited Partnership (NEN) (Northeast)

Real Estate Services

The RMR Group Inc. (RNR) (Management services to REITs and real estate operating companies)

REITs: Data Center

Iron Mountain Incorporated (IRM)

REITs: Diversified REITs

Government Properties Income Trust (GOV)

REITs: Healthcare

Senior Housing Properties Trust (SNH) (Continuing care retirement communities, independent living and assisted living communities, medical offices, nursing homes)

REITs: Hotels

Hospitality Properties Trust (HPT)

REITs: Industrial

Industrial Logistics Properties Trust (ILPT) (IPO January 12, 2018; REIT: industrial and logistics)

Plymouth Industrial REIT, Inc. (PLYM) (IPO June 9, 2017; REIT: Class B industrial properties)

Select Income REIT (SIR) (Office and Industrial Properties)

Stag Industrial, Inc. (STAG)

REITs: Mortgage

CYS Investments, Inc. (CYS)

Tremont Mortgage Trust (TRMT)

REITs: Office

Boston Properties, Inc. (BXP)

Franklin Street Properties Corp. (FSP)

Research Services

Charles River Laboratories International, Inc. (CRL) (Basic research, clinical support, discovery, process manufacturing and safety and efficacy)


Destination XL Group, Inc. (DXLG) (Retail stores focusing on big & tall men’s apparel)

J.Jill, Inc. (JILL) (IPO March 9, 2017; women’s apparel)

TJX Companies, Inc. (The) (TJX) (Multiple retail brands including HomeGoods, Marshalls, Sierra Trading Post and T.J. Maxx)

Scientific and Technical Instruments

Dynasil Corporation of America (DYSL) (Optical components, synthetic crystals, synthetic fused silica and fused quartz products, radiation monitoring devices, sensors for non-destructive testing)

MKS Instruments, Inc. (MKSI) (Instruments, subsystems and process control products)

Novanta Inc. (NOVT) (Photonics and motion control components and subsystems)

Thermo Fisher Scientific Inc. (TMO) (Analytical instruments, lab equipment and specialty diagnostics)

Waters Corporation (WAT) (Analytical technologies including liquid chromatography, mass spectrometry and thermal analysis)

Technology: Domain Names

Endurance International Group Holdings, Inc. (EIGI) (Cloud-based products and services for small and medium-sized businesses: domains, website builders, web hosting, email, etc.)

Technology: IT Management Services

Edgewater Technology, Inc. (EDGW) (IT consulting firm)

Virtusa Corporation (VRTU) (IT consulting, technology implementation and application outsourcing services)

Technology: Lasers

IPG Photonics Corporation (IPGP) (Fiber lasers and amplifiers)

Technology: Semiconductors

Analog Devices, Inc. (ADI)

Axcelis Technologies, Inc. (ACLS) (Manufacturing Technologies for Ion Implantation)

Brooks Automation, Inc. (BRKS) (Automation and Cryogenic Products)

Entegris, Inc. (ENTG) (Products and Materials used By Semiconductor and Electronics Industries)

Kopin Corporation (KOPN) (Wearable headset products)

M/A-COM Technology Solutions Holdings, Inc. (MTSI)

Skyworks Solutions, Inc. (SWKS)

Teradyne, Inc. (TER) (Testing Products and Manufacturing Robots)

Xcerra Corporation (XCRA) (Test and Handling Equipment and Interface Products)

Technology: Software

Aspen Technology, Inc. (AZPN) (Provides software that is designed to optimize process manufacturing)

Aware, Inc. (AWRE) (Biometrics software products and services)

Bridgeline Digital, Inc. (BLIN) (Web Engagement Management platform: web content management, web analytics, eCommerce, social media management, eMarketing)

Brightcove Inc. (BCOV) (Cloud services for video)

Carbonite, Inc. (CARB) (Cloud and hybrid business services: backup, recovery and archiving solutions; primary market is small and midsized businesses)

Casa Systems, Inc. (CASA) (IPO December 15, 2017; broadband connectivity software and solutions)

Datawatch Corporation (DWCH) (Data discovery software)

Everbridge, Inc. (EVBG) (IPO September 16, 2016: software; provider of critical communications and enterprise safety applications)

HubSpot, Inc. (HUBS) (Inbound marketing and sales platform)

LogMein, Inc. (LOGM) (Cloud-based service offerings: downloadable mobile and web-based collaboration apps; professional helpdesk solutions; cloud-based platform for the Internet of Things)

Monotype Imaging Holdings Inc. (TYPE) (Branding: type and technology for creative applications and consumer devices;,,, and

NetScout Systems, Inc. (NTCT) (Service assurance and cybersecurity solutions: integrated hardware and software)

Nuance Communications, Inc. (NUAN) (Speech and imaging products for businesses and consumers)

Pegasystems Inc. (PEGA) (Strategic software applications: customer service, marketing, onboarding, operations, sales)

Progress Software Corporation (PRGS) (Broad portfolio of products)

PTC Inc. (PTC) (Provides software and services for manufacturing organizations; products designed to optimize business functions)

SeaChange International, Inc. (SEAC) (Provides multi-Screen TV software and services for mobile, PC and TV screens)

Telephone Companies

Atlantic Tele-Network, Inc. (ATNI) (Integrated communications services to rural markets in the Midwest and Southeast regions; renewable energy)


L.S. Starrett Company (The) (SCX) (Measuring instruments, gages, precision tools, saw blades)

Utilities: Diversified

Eversource Energy (ES) (Services Provided in the Northeast Region)

Utilities: Electric

Atlantic Power Corporation (AT) (Electricity Provider to Utilities and Large Commercial Companies)

Websites, Inc. (CRCM) (Care oriented services: senior care, pet care, housekeeping, etc.)

CarGurus, Inc. (CARG) (IPO October 12, 2017; online automotive marketplace)

TechTarget, Inc. (TTGT) (Technology-specific websites)

TripAdvisor, Inc. (TRIP) (Travel advice and booking tools websites)

Wayfair Inc. (W) (Online home furnishing and décor)

Waste Management

Clean Harbors, Inc. (CLH) (Hazardous and non-hazardous material management services, used oil recycling, industrial services, oil & gas services)


Watts Water Technologies, Inc. (WTS) (Plumbing, heating and water quality products)

Wind Energy

American Superconductor Corporation (AMSC) (Wind turbines)