| # | Company | Employees |
|---|---|---|
| 1 | 10,652 | |
| 2 |
ESAB Corporationesabcorporation.com
A global leader in innovative solutions for fabrication and specialty gas control markets, focusing on continuous improvement and empowering associates worldwide |
5,556 |
| 3 |
Sinclair Inc.sbgi.net
A diversified media company providing local news, sports, and entertainment through TV stations, regional sports networks, and digital platforms |
5,191 |
| 4 | 3,785 | |
| 5 |
Hugheshughes.com
Provides broadband equipment, services, and network operations to millions of consumers, businesses, and governments worldwide via satellite and multi-transport technologies. |
3,209 |
| 6 |
Black & Deckerblackanddecker.com
Manufacturing and providing high-quality, innovative, and valuable tools and machines focused on meeting customer needs and satisfaction. |
2,105 |
| 7 |
Thales Defense & Security, Inc.thalesdsi.com
Global provider of innovative solutions for defense, federal, and commercial markets including communication systems, sonar systems, data protection, and technology integration for various domains |
2,013 |
| 8 |
Apex Tool Group, LLCapextoolgroup.com
Global company promoting diversity, inclusion, and respect to create a positive, safe, and inspiring work environment for associates. |
1,971 |
| 9 |
X-energyx-energy.com
development and manufacturing of innovative nuclear fuel and reactor designs for safe, affordable, and reliable carbon-free baseload power |
1,858 |
| 10 |
AAI Corporationtextronsystems.com
This company develops and integrates products and services for aerospace, defense, law enforcement, security, and critical infrastructure protection worldwide |
1,655 |
| 11 | 1,296 | |
| 12 |
Baltimore Aircoil Companybaltimoreaircoil.com
Design and manufacture advanced evaporative, hybrid, and dry cooling technologies for HVAC, industrial, and refrigeration industries worldwide. |
1,250 |
| 13 |
STANLEY Engineered Fasteningstanleyengineeredfastening.com
provides advanced fastening and assembly products with global support, engineering expertise, and rapid onsite customer service worldwide |
1,181 |
| 14 | 1,147 | |
| 15 |
MESO SCALE DIAGNOSTICS, LLC.mesoscale.com
Develops, manufactures, and commercializes assays and instruments for measuring molecules in biological samples, supporting medical research and drug development with proprietary technology. |
1,035 |
| 16 |
Shimadzu Scientific Instrumentsssi.shimadzu.com
A leader in scientific instrument development, offering analytical solutions, training, collaboration centers, and products to laboratories and research institutions worldwide |
741 |
| 17 |
EVAPCO, Inc.evapco.com
A passionate team of employee-owners revolutionizing global heat transfer applications with top-of-the-line products for evaporative cooling and industrial refrigeration since 1976 |
715 |
| 18 |
DEWALTdewalt.com
Stay updated on the latest technology and industry innovations for total jobsite solutions by following our LinkedIn page |
683 |
| 19 |
e-con Systemse-consystems.com
Designing, developing, and manufacturing custom and off-the-shelf OEM camera solutions for various industries, including medical and automotive, with extensive support. |
648 |
| 20 |
GMS Mine Repair & Maintenancegmsminerepair.com
A leading provider of underground and surface mine contracting, maintenance, and services with a strong focus on safety, quality, and efficiency |
647 |
| 21 |
Forterraforterra.com
A pioneering provider of autonomous systems for ground-based movement, specializing in protecting soldiers and enabling civilian workers in critical conditions for the US Department of Defense |
603 |
| 22 |
Dixon Valvedixonvalve.com
Established in 1916, this company is a leading manufacturer of fluid transfer and control products for various industries, prioritizing safety, durability, and availability |
555 |
| 23 |
Knorr Brake Companyknorr-bremse.us
Innovative leader supplying rail market customers in North America with braking systems, passenger door systems, and climate-control systems as part of global company |
529 |
| 24 |
Digital Receiver Technology, Inc.drti.com
DRT designs cutting-edge software defined radio systems for intelligence, defense, and homeland security, providing unmatched versatility and performance for mission-critical applications |
520 |
| 25 |
TCOM, L.P.tcomlp.com
Global leader in ISR solutions with Lighter-than-Air Persistent Surveillance platforms for Air, Maritime, and Land, providing complete persistent surveillance capabilities worldwide |
437 |
| 26 |
Phillips Corporationphillipscorp.com
A global manufacturing solutions leader specializing in overcoming manufacturing challenges, enhancing capabilities, and driving profitability through partnerships with industry-leading technology providers |
406 |
| 27 |
ST Engineering MRASmras-usa.com
A world-leading manufacturer of complex aerostructures, specialized structural components, and nacelle systems for aircraft, with design, manufacturing, and support services |
405 |
| 28 | 402 | |
| 29 |
Ambu USAambuusa.com
Design and manufacture of life-saving medical devices including resuscitators and single-use endoscopy products for patient care. |
383 |
| 30 |
Novatecnovatec.com
The company specializes in manufacturing resin dryers and handling equipment for the plastics industry, focusing on reducing energy costs for customers |
375 |
| 31 |
Dynasplint Systems, Inc.dynasplint.com
This company designs and sells gentle stretching devices to increase joint range of motion and expedite recovery for patients Dedicated to restoring quality of life |
373 |
| 32 |
Dunbardunbarsecurity.com
A provider of industry-leading security products and solutions, offering secure cash management, tamper-evident deposit bags, electronic security systems, and customized security plans |
357 |
| 33 |
Sport Squad, Incsport-squad.com
An emerging game room equipment manufacturer focused on bringing family and friends together with air hockey, foosball, arcade basketball, and professional table tennis products |
312 |
| 34 | 295 | |
| 35 |
BTEbtetechnologies.com
Specializing in human physical performance evaluation and treatment, we offer advanced physical therapy systems for clinics and hospitals to achieve better outcomes |
295 |
| 36 |
Beretta USAberetta.com
Manufacturing, distributing, and marketing firearms, accessories, and apparel with a long-standing family heritage and global retail presence. |
276 |
| 37 |
Apkudoapkudo.com
A company specializing in managing connected devices, maximizing device value, reducing labor costs, and minimizing e-waste through automated testing and grading systems |
238 |
| 38 | 237 | |
| 39 |
DigiFlight, Inc.digiflight.com
A veteran/minority-owned small business specializing in acquisition management and technology solutions for Government and commercial clients |
236 |
| 40 | 224 | |
| 41 |
LAI International, LLClaico.com
Highly-engineered precision component manufacturing solutions for top-tier customers in aerospace, defense, medical device, energy, and industrial industries |
89 |
| 42 |
LifeStrawlifestraw.com
Designing functional products for safe drinking water access globally, while supporting underrepresented communities and minimizing environmental impact Fighting for positive change |
74 |
| 43 |
Minibar Systems North Americaminibarsystems.com
A leading hospitality company specializing in minibars and safes, offering advanced systems and services to hotels worldwide |
64 |
| 44 |
Chuck Levin's Washington Music Centerchucklevins.com
A family-owned music center with a rich history, offering a wide selection of instruments, repairs, and exceptional customer service |
62 |
| 45 |
Integrity Auto Group (IAG)iagperformance.com
An automotive company in Maryland specializing in high-performance products and services |
40 |
| 46 |
Esurgi, Inc.myesurgi.com
Innovative healthcare company utilizing science and technology to enhance healthcare delivery, improve quality of life, and reduce costs with various biotech solutions |
29 |
| 47 |
dHive - Dynamic Hive, Inc.dynamichive.com
A US manufacturer of innovative wall systems, focusing on details and sustainability to deliver optimal design solutions for various environments |
18 |
| 48 |
Fairlawn Tool, Inc.calderamfg.com
Metal fabricating services provider offering high quality, efficient solutions at competitive prices for various industries and manufacturers |
17 |
| 49 |
ULTRA ELECTRONICS PRECISION AIR & LAND SYSTEMS, INC
A machinery company based in Lanham, Maryland, specializing in precision air and land systems for various applications |
12 |
| 50 |
C.R. International Inc.cri-inc.net
A Maryland-based company specializes in high-quality assembly services, PCB manufacturing, and custom electronic products, catering to diverse industries for over forty years |
11 |
| 51 |
Adcole Maryland Aerospace LLC.adcolemai.com
A company specializing in small satellite technology, precision sun sensors, and spacecraft attitude control components for critical space program needs |
11 |
| 52 |
Cmc Cevenini USAlog-slitting-machine.com
A machinery company located in Maryland, specializing in providing high-quality equipment and services to various industries |
2 |
| 53 |
Techtronic Industries North America, Inc.ttigroup.com
Management and growth of established power tools and outdoor product brands, focusing on increasing market share and brand strength. |
n/a |
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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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The same list elsewhere in United States
- Hardware manufacturers in the United States 5,337
- Hardware manufacturers in California 990
- Hardware manufacturers in Texas 425
- Hardware manufacturers in Illinois 296
- Hardware manufacturers in New York State 239
- Hardware manufacturers in Michigan 238
- Hardware manufacturers in Ohio 234
- Hardware manufacturers in Massachusetts 196
- Hardware manufacturers in Florida 178
- Hardware manufacturers in Pennsylvania 173
- Hardware manufacturers in Wisconsin 169
- Hardware manufacturers in Georgia 150
- Hardware manufacturers in New Jersey 144
- Hardware manufacturers in Alabama 141
- Hardware manufacturers in Minnesota 141
- Hardware manufacturers in North Carolina 129
- Hardware manufacturers in Washington State 122
- Hardware manufacturers in Indiana 115
- Hardware manufacturers in Colorado 103
- Hardware manufacturers in Virginia 91
- Hardware manufacturers in Connecticut 86
- Hardware manufacturers in Houston 134
- Hardware manufacturers in New York 91
- Hardware manufacturers in San Jose 83