| # | Company | Employees |
|---|---|---|
| 1 |
Saint-Gobain North Americasaint-gobain-northamerica.com
A global leader in sustainable construction materials and services, dedicated to enhancing buildings' efficiency and reducing carbon emissions by 2050 |
5,971 |
| 2 |
Vishay Intertechnology, Inc.vishay.com
Manufactures extensive range of discrete semiconductors and passive electronic components for automotive, industrial, computing, consumer, telecom, military, aerospace, and medical markets worldwide. |
5,426 |
| 3 |
Acme Marketsacmemarkets.com
A neighborhood supermarket chain with 130 years of history, offering quality products, low prices, and friendly service across multiple states |
4,734 |
| 4 |
School Improvement Networkfrontlineeducation.com
Provides software solutions for school administration, supporting personalized learning, teacher effectiveness, and student achievement through integrated professional growth tools. |
3,529 |
| 5 |
CertainTeedcertainteed.com
A leading provider of sustainable exterior and interior building products in North America, with a focus on innovation and environmental responsibility |
3,511 |
| 6 |
Crane Payment Innovationscranepi.com
Provides world-class automated payment solutions for businesses, focusing on currency validation, cash management, and digital payment technologies across various industries globally. |
3,504 |
| 7 |
CubeSmartcubesmart.com
CubeSmart provides self-storage solutions with a focus on simplifying challenges, offering unparalleled service, and supporting customers during difficult times |
2,009 |
| 8 |
LifeScanlifescan.com
Global leader in blood glucose monitoring innovation, providing products and digital platforms to support people with diabetes and related conditions for better quality of life |
1,898 |
| 9 |
2X2x.marketing
Provides AI-enabled marketing talent and strategic consulting through a subscription-based model to build, run, and optimize data-driven campaigns for lead generation. |
1,337 |
| 10 |
Vishay Precision Group, Inc. (VPG)vpgsensors.com
A global leader in precision measurement sensing technologies, focusing on accuracy, reliability, and repeatability for various applications worldwide |
1,334 |
| 11 |
Cantaloupe Inccantaloupe.com
Cantaloupe offers comprehensive technology solutions and payment services for the unattended retail industry, facilitating convenient purchases and on-the-go transactions |
1,225 |
| 12 |
DFC Global Corp.dfcglobalcorp.com
A global provider of accessible consumer financial services for over 30 years through web-based underwriting and retail locations worldwide |
1,180 |
| 13 |
USA Technologies Inc.cantaloupe.com
A software and payments company offering technology solutions for unattended retail market, previously known as USA Technologies |
945 |
| 14 |
Balfour Beatty Communitiesbalfourbeattycommunities.com
Acquisition, management, and renovation services for multifamily, student, and military housing with a focus on quality living experiences. |
880 |
| 15 |
BioTelemetry, Inc.gobio.com
A leading mobile and wireless medical technology company, providing health information delivery, cardiac monitoring, blood-glucose monitoring, medical imaging, and manufacturing services Passionate about saving lives |
593 |
| 16 |
HMP Globalhmpglobal.com
HMP Global is a leading provider of healthcare content, events, and education, with a focus on improving patient care through accredited medical education |
537 |
| 17 |
Stream Companiesstreamcompanies.com
Full-service advertising agency specializing in brand launching, positioning, strategic planning, creative development, media buying, and marketing services. |
529 |
| 18 |
Great Valley School Districtgvsd.org
A school district in Chester County with 4000+ students, offering K-12 education, community partnerships, technology integration, and staff development |
470 |
| 19 |
Resolianresolian.com
Resolian collaborates on therapeutic modalities to provide world-class scientific solutions, specializing in bioanalytics and analytical sciences for various industries |
463 |
| 20 |
Philips BioTel Heartgobio.com
The company specializes in cardiac arrhythmia diagnosis and monitoring, offering a full range of cardiac monitoring solutions for healthcare providers |
459 |
| 21 |
Meridian Bankmeridianbanker.com
Innovative financial experts serving entrepreneurs, businesses, and individuals in multiple states Committed to personal and business success with community focus |
416 |
| 22 |
Endo Pharmaceuticalsendo.com
Specializing in high-value branded pharmaceutical products, developing and marketing medications for urology, men's health, orthopedics, and endocrinology |
390 |
| 23 |
IMC Constructionimcconstruction.com
Professional construction firm providing construction management, general contracting, and consulting services to diverse national clients across various market sectors |
382 |
| 24 |
3Si3sisecurity.com
A market leader in advanced security solutions for asset protection and recovery, specializing in GPS tracking, video analytics, and data transmission for crime prevention |
338 |
| 25 |
Potters Industriespottersindustries.com
Manufacture and supply diverse glass microspheres for traffic safety, metals, plastics, coatings, oil drilling, and electronics applications worldwide. |
335 |
| 26 |
Balfour Beatty Investmentsbalfourbeattyinvestments.com
Global infrastructure investor with expertise in complex projects Specializing in power, waste, transportation, education, healthcare, housing, and student accommodation developments in the UK and US |
333 |
| 27 |
Fujirebio Diagnostics, Inc.fujirebio.com
Global leader in IVD testing solutions with over 50 years of experience in developing and commercializing high-quality in vitro diagnostics products |
306 |
| 28 |
FBI-LEEDAfbileeda.org
An organization providing leadership and management training to law enforcement executives, focusing on enhancing community safety and quality of life |
284 |
| 29 |
Cerebra Consulting Inccerebra-consulting.com
A leading IT services provider specializing in Enterprise Applications, Data Analytics, and Cloud Solutions, helping clients with digital transformation and technology implementation |
266 |
| 30 |
DENTALEZdentalez.com
Provides state-of-the-art dental practice solutions for interconnectivity, choice, control; offers real-life solutions for oral healthcare through advanced technical expertise and practical experience. |
207 |
| 31 |
Neuronetics, Inc.neurostar.com
A medical device company specializing in Transcranial Magnetic Stimulation for treating Major Depressive Disorder and other mental health conditions worldwide |
206 |
| 32 |
Malvern Treatment Centersmalverninstitute.com
A provider of addiction treatment services since 1948, offering a full continuum of care including detox, rehabilitation, and outpatient programs, with 24/7 admission support |
173 |
| 33 |
DSG, Inc.dsg-us.com
Global eClinical provider offering innovative technology solutions and data management services for clinical research, with a focus on cost-effective, timely project delivery |
168 |
| 34 |
Citius Healthcare Consultingcitiustech.com
Specializing in Healthcare IT and operational services, we provide strategy, compliance, quality programs, technical evaluation, and project management for transformative results |
167 |
| 35 |
Sophia'steamson-wholesale.com
Leading supplier of 18 Inch and 15 Inch Baby Doll merchandise, including Doll Clothes, Shoes, and Accessories, with focus on fashion trends and value |
165 |
| 36 |
Cadientcadient.com
Cadient, a Cognizant company, specializes in digital marketing solutions for life science companies, providing innovative tools for brand commercialization and audience engagement |
160 |
| 37 |
Temenos USAtemenos.com
Market-leading software provider specializing in banking and financial solutions, offering advanced technology and a full suite of products for global institutions |
158 |
| 38 |
Reaction Biologyreactionbiology.com
A trusted research partner in preclinical drug discovery, offering biochemical targets, cell-based assays, in vivo oncology models, custom assay development, and protein production services |
146 |
| 39 |
Malvern National Bankmnbbank.com
A full-service community bank in central Arkansas offering personal and business financial services with a focus on high-quality, personalized customer service |
113 |
| 40 |
AllianceTek Inc.alliancetek.com
It provides custom software, web development, and IT solutions with onshore client service and overseas development teams for American businesses. |
110 |
| 41 | 91 | |
| 42 |
AIMCOR EIGaimcoreig.com
A company specializing in comprehensive insurance solutions for financial professionals, streamlining application processes and providing consultative support for life, disability, and annuity products |
66 |
| 43 |
Prolificsenableconsulting.com
A results-driven consultancy specializing in technology solutions for business challenges, offering process optimization, integration, engineering, data migration, and customized software development |
21 |
| 44 |
Vendio Services, Inc.vendio.com
A leading e-commerce software solution for multi-channel selling, specializing in assisting handmade sellers to grow their businesses on various online platforms |
20 |
| 45 |
Best Healthcare Planning, LLCbhplan.com
A consulting company established in 2015 specializing in medical equipment planning for healthcare facilities |
12 |
| 46 |
ResultWorks - An Astrix Businessresultworksllc.com
This company provides business analysis and transformation services to scientific and information intensive organizations, helping clients leverage existing assets and create new value |
11 |
| 47 |
Teknosparteknospar.com
An IT consultancy specializing in driving transformation and growth through the use of cutting-edge technologies to empower employees and enhance client experiences |
11 |
| 48 |
Energy Nowenergynowinc.com
Helping companies and individuals improve energy efficiency with high-quality products, tailored solutions, and up to 5-year warranties for cost savings and environmental benefits |
6 |
| 49 |
JAECO Fluid Systems, Inc.jaecofs.com
This company manufactures durable plunger pumps, diaphragm pumps, and check valves in Pennsylvania for various industries worldwide |
3 |
| 50 |
RKD Grouprkdgroupllc.com
Specializing in management consulting for the energy industry and other corporate sectors |
2 |
Turn this list into pipeline
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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.
The same list elsewhere in United States
- The largest companies in the United States 91,669
- The largest companies in California 12,813
- The largest companies in New York State 10,485
- The largest companies in Texas 8,086
- The largest companies in Florida 4,945
- The largest companies in Illinois 4,175
- The largest companies in Pennsylvania 3,110
- The largest companies in Massachusetts 3,093
- The largest companies in Georgia 2,632
- The largest companies in Ohio 2,618
- The largest companies in New Jersey 2,569
- The largest companies in Virginia 2,503
- The largest companies in Michigan 2,346
- The largest companies in North Carolina 2,174
- The largest companies in Alabama 1,806
- The largest companies in Washington State 1,785
- The largest companies in Colorado 1,774
- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
- The largest companies in New York 6,920
- The largest companies in San Francisco 2,030
- The largest companies in Houston 1,791
- The largest companies in Chicago 1,668