| # | Company | Employees |
|---|---|---|
| 1 | 47,247 | |
| 2 |
Pratt & Whitneyrtx.com
Design and manufacture advanced propulsion systems for aircraft, enabling global connectivity, economic growth, and national defense. |
30,378 |
| 3 |
Stanley Black & Decker, Inc.stanleyblackanddecker.com
Provider of tools, fasteners, and infrastructure systems supporting home repair, automotive security, construction, and energy industries with innovation and safety. |
29,460 |
| 4 |
Pitney Bowespitneybowes.com
Provides digital shipping solutions, mailing innovation, and financial services to businesses and government entities worldwide, simplifying mail and parcel sending. |
12,611 |
| 5 | 9,330 | |
| 6 |
Terex Corporationterex.com
A global manufacturing company focused on building essential machines, improving lives, volunteering, and maintaining a safe, inclusive work environment |
8,109 |
| 7 |
Hubbell Incorporatedhubbell.com
Manufacturer of utility and electrical solutions focused on grid modernization, clean energy, electrification, and energy efficiency worldwide. |
7,655 |
| 8 |
PerkinElmerperkinelmer.com
A global provider of technology and service solutions for measuring, quantifying, detecting, and reporting in various industries to ensure quality and safety |
6,485 |
| 9 |
Sikorskylockheedmartin.com
A global leader in helicopter technology, providing innovative and safe flight solutions for commercial and military markets worldwide since 1939 |
5,753 |
| 10 |
Amphenolamphenol.com
A Fortune 500 manufacturer with 90,000 employees worldwide, providing key components for electronic devices and networks in daily use |
5,559 |
| 11 |
Crane Companycraneco.com
Long-standing ethical business focused on innovation, disciplined management, strategic acquisitions, and creating value for customers, suppliers, and shareholders. |
4,696 |
| 12 |
Hexcel Corporationhexcel.com
Production of carbon fiber reinforcements, resin systems, and honeycomb materials focused on lightweight solutions for commercial aerospace industry. |
3,357 |
| 13 |
Amphenol Communications Solutionsamphenol-cs.com
Design and manufacture innovative connectors and cable assemblies for communications, mobile, RF, optics, data centers, networking, industrial, and automotive applications. |
3,169 |
| 14 |
Barnesbarnesaero.com
A company known for persistent ingenuity, pushing boundaries to help customers make valuable impacts in global markets |
2,125 |
| 15 |
Conair LLCconair.com
Design and manufacture of personal care, kitchen appliances, cookware, hair accessories, cosmetic and travel products sold globally. |
2,093 |
| 16 |
Hamilton Sundstrandhamiltonsundstrand.com
A global supplier of aerospace and industrial products, designing and manufacturing systems for aircraft and international space programs |
1,918 |
| 17 |
CooperSurgicalcoopersurgical.com
This company is focused on advancing women's, babies', and families' healthcare worldwide through products and services for reproductive solutions and gynecological care |
1,845 |
| 18 |
Timex Grouptimexgroup.com
Design, manufacture, and market innovative watches globally under multiple renowned brands, employing over 3,000 people worldwide. |
1,624 |
| 19 |
RBC Bearingsrbcbearings.com
International manufacturer of precision bearings, specializing in highly technical and regulated products for industrial, aerospace, and defense markets Offers unique design solutions and exceptional quality |
1,106 |
| 20 |
TRUMPF North Americatrumpf.com
Leading provider of sheet metal fabrication machinery and industrial lasers, focusing on innovative, networked manufacturing solutions in North America. |
987 |
| 21 |
Dorel Sportsprivacy.ponbike.com
A global company within Dorel Industries, committed to helping consumers find their perfect ride through innovative cycling products in over 100 countries |
825 |
| 22 |
Philip Morris International U.S.uspmi.com
Manufacturer and distributor of chewing tobacco, snus, cigars, nicotine pouches, matches, and lighters in the US market Operations based in Virginia and Kentucky |
740 |
| 23 |
Ensign-Bickford Aerospace & Defense Company (EBAD)ebad.com
Global leader in precision energetics systems and explosive solutions, offering customized hardware and systems solutions for aerospace and defense missions worldwide |
734 |
| 24 |
UPCmaagkit.com
This company produces innovative products to simplify tasks and improve efficiency, such as advanced kitting systems and adjustable length position sensors |
713 |
| 25 |
OMEGA Engineeringdwyeromega.com
Supplier of over 165,000 products for measuring temperature, humidity, flow, level, and pressure Specializing in thermocouples, gauges, data loggers, heaters, and more |
699 |
| 26 |
Ruger Firearmsruger.com
Manufactures rugged, reliable firearms for commercial sporting market with nearly 700 variations across 40 product lines, emphasizing responsibility. |
629 |
| 27 |
Cannondalecannondale.com
Innovative bicycle company since 1971, focused on inspiring the world to ride and improving cycling through relentless innovation and global reach |
611 |
| 28 |
The Lee Companytheleeco.com
A pioneer in miniature precision fluid control components for various industries, specializing in miniaturization and engineering expertise for cutting-edge fluid flow technology |
588 |
| 29 |
ASSA ABLOY Opening Solutions Americasassaabloydss.com
Provider of door opening products and access solutions for homes, businesses, and institutions, offering doors, hardware, locks, access control, and services |
573 |
| 30 |
GameChange Energygamechangeenergy.com
A manufacturer of solar racking systems, GameChange Solar offers fast installation, bankable quality, and high value through superior engineering and design |
542 |
| 31 |
Davis-Standarddavis-standard.com
Global leader in extrusion and converting technology, offering innovative solutions across multiple industries with a focus on efficiency and sustainability |
538 |
| 32 | 513 | |
| 33 |
Siemonsiemon.com
A global industry leader in high-quality IT infrastructure solutions, specializing in cabling systems, data center power, and Intelligent Infrastructure Management |
508 |
| 34 |
FuelCell Energyfuelcellenergy.com
Specializing in efficient, affordable, and clean energy solutions, this company designs, manufactures, and operates megawatt-scale fuel cell systems for utilities and industrial power users worldwide |
467 |
| 35 |
Sperry Rail Inc.sperryrail.com
Global leader in Rail Health庐 solutions for over 90 years, focusing on improving safety and performance for railroads worldwide |
452 |
| 36 |
Kaman Corporationkaman.com
A leading innovator in the aerospace industry, providing solutions to commercial and military customers worldwide, and serving as an industrial distributor and system consultant |
407 |
| 37 |
Hanwha Aerospace USAhanwhaaerospaceusa.com
Innovative aerospace and defense manufacturing company with a focus on continuous improvement, advanced engineering, and precision manufacturing for commercial and military applications |
406 |
| 38 |
Ashcroft Inc.ashcroft.com
Design and manufacture pressure and temperature instruments ensuring safety, efficiency, and performance in demanding industrial environments worldwide. |
405 |
| 39 |
TapestryHealthtapestryhealth.com
A Connecticut-based healthcare organization specializing in providing technology solutions to post-acute care facilities, utilizing AI, vital signs management, chronic care management, and telemedicine services |
400 |
| 40 |
ROM Technologies, Inc.romtech.com
Developer of patented medical technology for knee and hip rehabilitation, facilitating 50% faster recovery and cost savings for patients, medical facilities, and payors |
374 |
| 41 | 373 | |
| 42 |
HarcoSemcoharcosemco.com
An innovative manufacturer of advanced aerospace products, offering customizable solutions and outstanding customer service, with over 65 years of experience |
361 |
| 43 |
ARKA Group, LParka.org
Provides world-leading technologies and services for warfighters, including advanced optical technologies, ground processing, analytics, and next-generation space solutions, with 60-year legacy. |
361 |
| 44 |
Infiltrator Water Technologies (Decentralized Wastewater Treatment Solutions)infiltratorwater.com
Leading manufacturer of innovative and environmentally-friendly wastewater treatment solutions, utilizing recycled plastics to protect the environment for over 35 years |
357 |
| 45 |
Softdelsoftdel.com
A global company specializing in connecting devices, enterprises, and people in smart buildings and factories, offering technology-driven solutions for digital challenges |
343 |
| 46 |
STANLEY Access Technologiesstanleyaccess.com
A leading provider of tough, dependable automatic door openings with a focus on innovation, engineering, installation, and service in North America |
336 |
| 47 |
Colt's Manufacturing Company LLCcolt.com
American firearms manufacturer specializing in mass production, parts interchangeability, supplying civilian, military, and law enforcement customers worldwide. |
316 |
| 48 |
Mott Corporationmottcorp.com
Engineers and manufactures high-reliability filters and fluid flow products for medicine, computing, energy, and space exploration, offering custom designs. |
238 |
| 49 |
Roscous.rosco.com
A leading manufacturer of lighting filters, gobos, scenic paints, LED fixtures, fog machines, and dance floors for the entertainment industry worldwide |
236 |
| 50 |
HyAxiom, Inc.hyaxiom.com
Global provider of fuel cell and hydrogen solutions for industrial and commercial use, focusing on sustainable energy with expertise in fuel cell development and hydrogen production |
229 |
| 51 |
Cuisinartcuisinart.com
This company specializes in providing innovative culinary tools and appliances to help people savor the good life in the kitchen |
219 |
| 52 |
Carling Technologiescarlingtech.com
A global leader in circuit protection, switching, and power distribution, providing innovative solutions for various industries to ensure safety and reliability |
210 |
| 53 |
O.F. Mossberg & Sons, Inc.mossberg.com
Established in 1919, this family-owned firearms manufacturer is known for its innovative designs and as the largest pump-action shotgun manufacturer worldwide |
206 |
| 54 |
Rollease Acmedarolleaseacmeda.com
Innovator of window covering hardware systems, specialized fabrics, and automated shade solutions, delivering enhanced technologies and exceptional service to trade customers |
202 |
| 55 |
U.S. Electrical Services, Inc.usesi.com
A leading electrical wholesale distributor with 14 regional businesses offering a wide range of products from 1,000 manufacturers across 146 locations |
199 |
| 56 |
Precision Fuzing and Sensorskaman.com
A division of Kaman Aerospace Group specializing in fuzing, measuring, and memory systems for military, aerospace, and industrial applications worldwide |
196 |
| 57 |
Quantum-Siquantum-si.com
Revolutionizing protein sequencing for all scientists, Quantum-Si empowers deeper biologic discovery to enhance human health with innovative technology |
186 |
| 58 |
Applied Physical Sciences Corp (APS)aphysci.com
APS is a research and development company specializing in physics-based technology solutions for national security and commercial markets, focused on integrity and innovation |
181 |
| 59 |
The Robert E. Morris Companyrobertemorris.com
Provider of advanced machine tools and engineering services in New England, helping manufacturers improve productivity and create quality parts efficiently |
102 |
| 60 |
Curtis Packagingcurtispackaging.com
A leading provider of luxury packaging solutions, specializing in high quality folding cartons for global brands with a focus on sustainability and innovation |
92 |
| 61 |
Coburn Technologies, Inc.coburntechnologies.com
The company designs, manufactures, and services optical lens processing systems, supplies for prescription lenses, and ophthalmic diagnostic machines with a focus on customer service |
90 |
| 62 |
Coherent | Nufernnufern.com
The company is dedicated to creating high-quality solutions that meet and exceed customer expectations through technology and expertise |
80 |
| 63 |
Thinklogicalthinklogical.com
Manufacturing high-performance signal extension and switching products for secure video distribution systems and KVM matrix switches within defense and intelligence command centers. |
65 |
| 64 | 65 | |
| 65 |
New England Airfoil Products Inc.newenglandairfoilproductsinc.com
A leading aerospace manufacturer with over 65 years of experience, specializing in airfoils and related products for civil and defense sectors worldwide |
61 |
| 66 |
Alpha Q, Inc.alphaqinc.com
Industry leading precision machining of magnesium and light alloy components for gas turbine and aerospace industries with expertise in tight tolerance machining and assembly |
49 |
| 67 |
Light Sources Inc.light-sources.com
Global OEM lamp design and manufacturing company with state-of-the-art technology, offering UV germicidal lamps, low pressure tanning lamps, and specialty lighting solutions worldwide |
47 |
| 68 |
Novanta IMSnovantaims.com
Manufacturer of motors and motion control systems, specializing in integrated motor technology to provide reduced size, cost, and maintenance for various applications |
43 |
| 69 |
Numet LLCkineticengines.com
A contract manufacturer specializing in precision machined components made from exotic alloys for aerospace and defense industries, with key certifications |
34 |
| 70 |
Eschenbach Optik of America, Inc.eschenbach.com
Provider of high-quality magnification devices for low vision care providers, individuals with vision problems, and industries requiring precision inspection and quality control |
32 |
| 71 |
NE-XT Technologiesne-xtusa.com
Manufacturer of precision-machined components and assemblies for aerospace, defense, and industrial OEMs, utilizing innovative processes and over 100 CNC machines |
31 |
| 72 |
Baumuellerbaumuller.com
A leading manufacturer of innovative automation solutions for various industries, offering drive technology, high torque motors, application engineering, repair services, and field support globally |
30 |
| 73 |
Colt's Plastics Company, Inc.coltsplastics.com
A Connecticut-based plastics company specializing in manufacturing and distributing various plastic products |
26 |
| 74 |
Leipold, Inc.leipold.com
Precision turning company with 45 skilled employees, part of a family-owned group with 450+ employees, specializing in high-quality, close-tolerance components for various industries globally |
25 |
| 75 |
PMC-STS, Inc.pmc1.com
Specializing in innovative, custom-designed pressure transmitters, level sensors, and transducers with patented flush sensor technology for over 50 years |
24 |
| 76 |
Avanti Systems USAavantisystemsusa.com
Avanti Systems USA offers European-style glass designs for modern spaces, including frameless walls, sliding doors, and innovative features like color-changing LCD glass |
23 |
| 77 |
ProMATIC Automation, an AGR companypromaticautomation.com
Provider of custom industrial automation services and equipment, with expertise in designing and building manufacturing lean cells and fully automated assembly equipment |
16 |
| 78 |
Wieland Dental Systems Inc.Wieland-Dental-Systems.com
A leading German company specializing in dental prosthetics, restorative materials, and CAD/CAM digital technology, with a focus on innovation and global distribution |
12 |
| 79 |
wonderful dentalwonderfuldental.com
Manufacturer of dental products including fluoride varnish, prophy paste, angles, and brushes Offers direct ordering to save costs and increase quality Request free samples at wonderfuldentalcom |
10 |
| 80 |
Delta-Ray Industries, Inc.delta-ray.com
A leading manufacturer specializing in precision machining of high-value exotic materials for aerospace, military, oil, and commercial industries with a focus on customer satisfaction |
10 |
| 81 |
Sustainable Building Systemssbsusainc.com
Innovative company specializing in cutting edge building solutions, offering state-of-the-art steel framing systems and thermal insulation for energy efficient construction projects |
8 |
| 82 |
Cooper Split Roller Bearingcooperbearings.com
Manufacturing and distributing split roller bearings for machinery applications from their location in Norfolk, VA, United States |
8 |
| 83 |
Mastercraft Tool and Machine Companymastercrafttool-mach.com
Specializes in producing metal stampings and progressive tooling for various industries |
6 |
| 84 |
HAWK INTEGRATED PLASTICS LLChawkiplas.com
Specializing in precision injection molding, the company offers high-quality manufacturing solutions with expertise in efficient and accurate injection molding processes |
4 |
| 85 |
HondoGO, a Hondius Energy Companyhondogo.com
A pioneering company accelerating electric vehicle adoption by owning and operating fast-charging infrastructure for individuals, fleets, and businesses through disruptive technology and partnerships |
3 |
| 86 |
Anastasio Homeanastasiohome.com
Manufacturer of limited production home accessories and upcycled luxury goods, founded by an ex-luxury watch executive aiming to support craftspeople worldwide |
2 |
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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 Nov 2, 2026.
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The same list elsewhere in United States
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