| # | Company | Employees |
|---|---|---|
| 1 |
Thermo Fisher Scientificthermofisher.com
A global leader in science services, providing innovative technologies and pharmaceutical support to make the world healthier, cleaner, and safer |
100,256 |
| 2 | 99,488 | |
| 3 |
Boston Scientificbostonscientific.com
Develops and provides innovative medical technologies including devices and therapies for various diseases, improving patient health and reducing healthcare costs worldwide. |
54,633 |
| 4 |
Analog Devicesanalog.com
Global semiconductor company combining analog, digital, and software technologies to advance digitized factories, mobility, healthcare, and climate solutions. |
27,234 |
| 5 |
Keurig Dr Pepper Inc.keurigdrpepper.com
Leading North American beverage company with extensive portfolio including coffee, soft drinks, water, juice, and mixers, strong distribution network. |
13,948 |
| 6 |
New Balancenewbalance.com
Designing and manufacturing high-quality athletic footwear and apparel with a focus on comfort, fit, innovation, and community support worldwide. |
11,624 |
| 7 |
Biogenbiogen.com
Company pioneers innovative science, delivering new medicines to transform patients' lives, with a global presence and focus on superior treatment outcomes. |
7,724 |
| 8 |
Sensata Technologiessensata.com
Supplier of sensing, electrical protection, control, and power management solutions enhancing safety, efficiency, and comfort across multiple industries worldwide. |
7,634 |
| 9 |
UniFirst Corporationunifirst.com
Supply and service of uniforms, workwear, safety products, and facility services with manufacturing and specialized garment programs. |
7,485 |
| 10 |
Hologic, Inc.hologic.com
Develops innovative medical products, especially for women's health, focusing on early detection and better outcomes across breast, skeletal, diagnostic, and GYN surgical solutions. |
6,921 |
| 11 |
Modernamodernatx.com
Pioneering mRNA technology for new medicines to improve patient lives by providing real-time instructions for protein production in cells |
6,906 |
| 12 |
Bose Corporationbose.com
Develops advanced audio technologies and products for home, automotive, portable, and public spaces, enhancing music listening experiences worldwide. |
6,699 |
| 13 |
Entegrisentegris.com
A global leader in advanced science-based solutions for technology challenges, driving innovation with artificial intelligence, augmented reality, and IoT technologies |
6,612 |
| 14 |
Vertex Pharmaceuticalsvrtx.com
Global biotechnology company focusing on creating medicines for serious and life-threatening diseases, with a pioneering history in treating cystic fibrosis |
6,382 |
| 15 |
Conversecareers.converse.com
This company creates iconic street style sneakers like Chuck Taylor All Stars and One Stars that redefine sport, street, and creative culture |
4,522 |
| 16 |
Reebokreebok.com
It designs and creates fitness gear and experiences, aiming to inspire individuals to achieve their best physically, mentally, and socially. |
4,008 |
| 17 |
Cabot Corporationcabotcorp.com
Global specialty chemical and performance materials company providing solutions to address current challenges and future customer needs worldwide. |
3,719 |
| 18 |
Revvityrevvity.com
Revvity specializes in innovative health science solutions, technologies, and services for healthcare advancements worldwide, covering discovery, development, and diagnosis to cure |
3,569 |
| 19 |
BeOne Medicinesbeonemedicines.com
Developing innovative, affordable cancer treatments for hematology and solid tumors with a global team and collaborative approach. |
3,350 |
| 20 |
Saint-Gobain Abrasivessaint-gobain-surfacesolutions.com
The company offers powerful and precise abrasives solutions for various markets, focusing on customization, performance, and safety with global presence |
3,196 |
| 21 |
CCL Labelccllabel.com
Global leader in innovative label solutions for various industries, offering pressure sensitive and extruded film materials, metal components, and complementary products worldwide |
2,988 |
| 22 |
Watts Water Technologieswatts.com
Provides diverse water solutions for residential, industrial, and municipal applications, including plumbing, water quality, HVAC, and drainage systems. |
2,947 |
| 23 |
Viant Medicalviantmedical.com
Global provider of design and manufacturing services for medical devices across various specialties, offering end-to-end capabilities from development to packaging. |
2,921 |
| 24 |
Alnylam Pharmaceuticalsalnylam.com
A global biotech company pioneering RNAi therapeutics to treat rare genetic diseases, with a breakthrough product and a robust pipeline |
2,883 |
| 25 |
Regal Beloit Corporationmaintenance.regalrexnord.com
This company manufactures global airflow, motion control, power transmission, and power generation solutions used in commercial, industrial, and residential settings worldwide. |
2,808 |
| 26 |
The Kraft Group & Affiliatesthekraftgroup.com
Holding company with diverse interests in paper manufacturing, sports, real estate, private equity, and philanthropy across global markets. |
2,643 |
| 27 |
Haemoneticshaemonetics.com
A global healthcare company offering innovative medical products and solutions to improve patient care and reduce healthcare costs in various medical markets |
2,530 |
| 28 |
Abiomedabiomed.com
A leading provider of medical technology based in Danvers, MA, offering products for circulatory support and oxygenation to help patients recover |
2,388 |
| 29 |
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 |
| 30 |
Symboticsymbotic.com
This company develops innovative robotics and software for advanced automation solutions in the supply chain industry to increase efficiency and profitability |
2,074 |
| 31 |
The Yankee Candle Company, Inc.yankeecandle.com
Manufacture and retail of premium scented candles, home fragrance products, car air fresheners, and candle accessories nationwide. |
2,039 |
| 32 |
HP Hood LLChood.com
Established in 1846, this company is a leading dairy processor in the US, known for high-quality dairy products under various brands |
2,006 |
| 33 |
BeiGenebeonemedicines.com
Global oncology company developing accessible and affordable cancer treatments through innovative research, collaborations, and commitment to improving medicine access for patients worldwide |
1,967 |
| 34 |
IPG Photonicsipgphotonics.com
Global leader in fiber laser technology, providing reliable and efficient laser solutions across various industries with a strong focus on innovation and customer needs |
1,901 |
| 35 |
Cell Signaling Technology (CST)cellsignal.com
A privately-owned research institute specializing in developing high-quality antibodies for cancer research, validated by PhD scientists for reliable results |
1,818 |
| 36 |
CIRCOR International, Inc.circor.com
Manufacture engineered flow control products for oil and gas, power generation, industrial, aerospace, and defense infrastructure markets. |
1,790 |
| 37 |
FUJIFILM Healthcare Americas Corporationhealthcaresolutions-us.fujifilm.com
Provides comprehensive healthcare technology and expertise. Focuses on disease detection, diagnosis, and treatment through diagnostic, enterprise, endoscopic, surgical, and in-vitro solutions. |
1,709 |
| 38 |
Boston Dynamicsbostondynamics.com
Development of advanced mobile manipulation robots featuring mobility, dexterity, perception, and agility using sensor-based controls and computation. |
1,630 |
| 39 |
Tecomet, Inctecomet.com
Precision manufacturing solutions for medical device, aerospace, and defense industries, ensuring exceptional quality and engineering expertise to bring innovative products to market |
1,492 |
| 40 |
Nova Biomedicalnovabiomedical.com
Development and manufacturing of clinical, biotech, and veterinary diagnostic instruments with focus on accuracy, innovation, and global healthcare impact. |
1,492 |
| 41 |
AISais-inc.com
A rapidly growing manufacturer of commercial office furniture known for feature-rich product lines, innovation in sustainability, lean manufacturing, and manufacturing flexibility |
1,342 |
| 42 |
Keltronkeltroncorp.com
This company develops and manufactures life safety event management systems for various environments, providing integrated fire and life safety alarm monitoring solutions |
1,318 |
| 43 |
Sterilite Corporationsterilite.com
A leading plastic housewares company in North America, offering innovative and distinctive products for home organization and storage solutions for everyday life |
1,304 |
| 44 |
Re:Build Manufacturingrebuildmanufacturing.com
An industrial conglomerate focused on combining technology, operations management, and strategic M&A to revitalize the US manufacturing base |
1,166 |
| 45 |
Freudenberg Medicalfreudenbergmedical.com
Partnering with medical and pharmaceutical companies, designing and manufacturing high-quality medical devices, precision components, and custom tubing from ideation to market launch. |
1,132 |
| 46 |
MorphoTrust USAMorphoTrust.com
A provider of secure biometric and identity verification solutions for businesses and government agencies, specializing in driver's licenses, passports, and credentialing services |
1,125 |
| 47 |
Instroninstron.com
A global leader in manufacturing and servicing cutting-edge materials testing equipment for research, design, and quality control in various industries |
1,041 |
| 48 |
Plastic Molding Manufacturingplasticmoldingmfg.com
Since 1968, we provide innovative multi-material products with local manufacturing solutions Offering injection molding, two-shot molding, and various secondary services |
1,025 |
| 49 |
Vicorvicorpower.com
Designs and manufactures modular power components and complete power systems for computing, industrial, telecom, transportation, aerospace, and defense markets. |
998 |
| 50 |
Ken's Foodskensfoods.com
Family owned company producing high quality dressings, sauces and marinades, with over 400 varieties available as well as custom-made options |
978 |
| 51 |
Hollingsworth & Vosehollingsworth-vose.com
Development and supply of advanced filtration and energy storage materials for diverse industries, enhancing health, sustainability, and efficiency worldwide. |
975 |
| 52 |
Bruker Daltonicsbruker.com
Development and manufacturing of advanced mass spectrometry instruments and software for pharmaceutical, biotechnology, diagnostics, and chemical analysis research applications. |
939 |
| 53 |
Organogenesisorganogenesis.com
A regenerative medicine company specializing in advanced wound care, surgical, and sports medicine solutions, offering innovative products to address patient needs |
930 |
| 54 |
Eaton Corporationeaton.com
Designs and manufactures data center airflow management solutions, monitoring consoles, furniture, and workbench systems for high-tech environments Trusted by major tech companies and government agencies |
917 |
| 55 |
Analogicanalogic.com
A global provider of healthcare and security technology solutions, specializing in advanced imaging systems, threat detection for aviation security, and OEM products |
913 |
| 56 |
Crane Authentication (NXT)craneauthentication.com
Providing innovative authentication technologies and data-driven insights to protect valuable assets with decades of combined industry experience and expertise. |
860 |
| 57 |
Form Energyformenergy.com
Development and manufacturing of cost-effective multi-day energy storage systems to ensure a clean, secure, and reliable electric grid during prolonged stress periods. |
847 |
| 58 |
Inogenprovider.inogen.com
Global medical technology company offering innovative respiratory products for homecare Specializes in portable oxygen concentrators for long-term oxygen therapy |
845 |
| 59 |
Cynosure, LLC.cynosure.com
Leading developer and manufacturer of light-based aesthetic and medical treatment systems for practitioners worldwide, focusing on promoting beautiful energy inside and out |
831 |
| 60 |
Harvey Building Products Corporationharveybuildingproducts.com
A privately owned manufacturing corporation specializing in premium windows and doors, serving customers along the East Coast to the Rockies |
822 |
| 61 |
Welch'swelchs.com
Cooperative of family farms producing high-quality fruit ingredients, focusing on natural products, sustainability, and long-term growth plans. |
816 |
| 62 |
Doble Engineeringdoble.com
Providing diagnostics and engineering expertise for the energy industry, specializing in condition monitoring, enterprise asset management, in-service testing, protection testing, security, and compliance solutions |
782 |
| 63 |
Polar Beveragespolarbeverages.com
A leading independent bottling company in the US, producing own brands like Polar Seltzer, as well as partnering for private-label manufacturing and distribution |
755 |
| 64 |
Harvey Performance Companyharveyperformance.com
The company specializes in providing high quality products, services, and solutions to increase productivity in the manufacturing and metalworking industries |
717 |
| 65 |
Keurig Green Mountain, Inc.keurigdrpepper.com
Leading North American beverage company with extensive portfolio including coffee, soft drinks, tea, water, juice, and mixers, strong distribution network. |
701 |
| 66 |
Veraltoveralto.com
A global leader in essential technology solutions, focused on water quality management, product authentication, and safeguarding vital global resources |
617 |
| 67 |
E Ink Corporationeink.com
Leader in ePaper technology, providing durable, low-power display products to influential brands and manufacturers for innovative applications and environments |
605 |
| 68 |
Candela Medicalcandelamedical.com
A global medical aesthetic device company focusing on safety, efficacy, and trust, providing energy-based solutions for various medical-aesthetic applications since 1970 |
603 |
| 69 |
Sappi North Americasappi.com
A leading producer of high-quality paper products including coated printing papers, dissolving pulp, release papers, and specialty packaging to help brands make an impact globally |
600 |
| 70 |
Coghlin Companiescoghlincompanies.com
Coghlin Companies offers Time to Market Services for commercializing industrial equipment and medical devices, including engineering, manufacturing, and global fulfillment |
593 |
| 71 |
BK Medicalgehealthcare.com
Provides surgeons with real-time intraoperative imaging solutions to support critical decision-making and improve surgical procedure outcomes. |
556 |
| 72 |
Sensitechsensitech.com
Supply chain visibility solutions providing tracking, monitoring, and protection for temperature-sensitive products across food, life sciences, consumer goods, and industrial global markets. |
555 |
| 73 |
Wellness Pet Companywellnesspet.com
Dedicated to crafting high-quality pet food, treats, and toppers with natural ingredients and scientific research for visible health benefits and a fulfilling life for pets. |
508 |
| 74 |
Babcock Powerbabcockpower.com
A global leader in providing innovative energy products and services to various industries like power generation, industrial, and environmental sectors |
498 |
| 75 |
Kouraorbia-fem.com
Development and manufacture of fluoroproducts for electric vehicles, energy storage, infrastructure, refrigeration, and low-GWP inhaler propellants worldwide. |
482 |
| 76 |
Catalyst Acoustics Groupcatalystacoustics.com
Parent company of elite acoustic, seismic, vibration, and noise control businesses offering a wide range of solutions with unique brands and expertise |
440 |
| 77 |
Shawmut Corporationshawmutcorporation.com
A leading provider of engineered flexible multi-layer materials for automotive, medical, and other industries, with a focus on innovation and global expansion |
380 |
| 78 |
JEOL USAjeolusa.com
A global leader in electron optics and instrumentation for scientific research, providing innovative solutions for advanced scientific endeavors worldwide |
357 |
| 79 |
UNICOM Engineeringunicomengineering.com
A leading integrator of purpose-built appliances and application platforms, providing lifecycle deployment services for software developers and OEMs worldwide |
346 |
| 80 |
MedPlast Inc.viantmedical.com
Viant offers end-to-end solutions for medical device OEMs, specializing in materials expertise, engineering, manufacturing, assembly, packaging, and sterilization services |
316 |
| 81 |
Cambridge Isotope Laboratories, Incisotope.com
Global leader in stable isotope separation and labeling for biochemical compounds, contributing to medical, research, and diagnostic advancements worldwide |
303 |
| 82 |
Genezengenezen.com
Company is a gene therapy CDMO, partners with organizations for gene and cell therapies, from concept to commercial production. Viral vector manufacturing, global regulatory licenses. |
272 |
| 83 |
Panametricspanametrics.com
A provider of moisture, oxygen, liquid, and gas flow measurement solutions known for high-technology flow meters in tough environments |
257 |
| 84 |
AliMedalimed.com
Specializing in medical supplies, this company offers a wide range of healthcare products tailored for patients' needs, with customization capabilities and exceptional customer service |
233 |
| 85 |
Speedline Technologiesitweae.com
Global manufacturer of capital equipment for electronics manufacturing, including printing, soldering, and cleaning equipment, with facilities and offices worldwide |
142 |
| 86 |
NextPhase Medical Devicesnextphasemed.com
A leading EMS partner for medical device OEMs, offering design, development, manufacturing, and assembly solutions with a focus on quality and positive patient impact |
118 |
| 87 |
Aerodyne Researchaerodyne.com
Provides research, development, advanced sensors, and software for environmental quality, clean energy, propulsion technologies, and defense remote sensing. |
104 |
| 88 |
Celera Motion, A Novanta Companyceleramotion.com
The company specializes in solving engineering challenges with precision motion systems and components for technology-driven OEMs worldwide, enhancing lives through innovation |
93 |
| 89 |
Saint-Gobain Ceramics - SGPlinkedin.com
The company designs and manufactures advanced ceramic materials for various industries worldwide, offering tailored solutions to meet tough application requirements |
82 |
| 90 |
Advance Mfg. Co., Inc.advancemfg.com
This company specializes in precision machining, welded fabrication, and assemblies for global industries like aerospace, power generation, and military |
72 |
| 91 |
NP Medical Inc.npmedical.com
Innovative supplier of medical devices for infusion therapy and vascular access markets, focused on improving patient outcomes and caregiver safety affordably |
72 |
| 92 |
Innoventinnovent.com
Engineering and manufacturing company providing innovative solutions to hygiene, aerospace, and industrial clients worldwide Part of Standex International Corporation |
70 |
| 93 |
Cometeercometeer.com
Revolutionizing the global coffee market with specialty coffee capsules delivered frozen, no machine required Outstanding quality, rave reviews, and innovative technology driving growth |
68 |
| 94 |
G&F Precision Molding, Inc.gandfprecision.com
Privately held custom injection molder offering thermoplastic and liquid silicone rubber molding, design, prototyping, mold making, and value add operations ISO certified for quality |
65 |
| 95 |
Optometricsoptometrics.com
Specializing in optical components for defense, security, research, academia, and OEM customers globally with a focus on high quality, cost competitive products and services |
45 |
| 96 |
Hoppe Technologies, Inc.precinmac.com
Specializing in precision machining of complex components, offering value-added engineering services to simplify designs for manufacturability and lower costs |
44 |
| 97 |
VJ Electronixvjelectronix.com
An electrical/electronic manufacturing company located in Chelmsford, MA, United States, specializing in producing a variety of electronic products |
44 |
| 98 |
Solar Seal Companysolarseal.glass
A leading architectural glass fabricator with 50+ years of experience, offering cutting, tempering, laminating, insulating, wholesale distribution, and just-in-time services Based in South Easton, MA |
42 |
| 99 |
Fosta-Tek Optics, Inc.fosta-tek.com
A leading US-based manufacturer of high-quality polymer components for optics and lenses, serving various industries with advanced coating and testing capabilities |
38 |
| 100 |
Pittsfield Plastics Engineering, LLCpittsplas.com
Industry-leading injection molder and mold maker offering plastic spools, reels, cores, bobbins for packaging various products in a fully equipped manufacturing facility |
38 |
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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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The same list elsewhere in United States
- Manufacturers in the United States 3,550
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