| # | Company | Employees |
|---|---|---|
| 1 |
Lenovolenovo.com
A global technology powerhouse with a focus on delivering smarter technology through innovation, serving millions of customers worldwide in various markets |
47,094 |
| 2 |
Syneos Healthsyneoshealth.com
A leading biopharmaceutical solutions organization driving customer success by translating clinical, medical, and commercial insights into outcomes worldwide Promoting inclusivity and sustainability |
23,569 |
| 3 |
Extreme Networksextremenetworks.com
Leader in AI-powered cloud networking, delivering a unified platform simplifying and securing IT operations, connecting devices, applications, and users for thousands of customers. |
4,064 |
| 4 |
Premier Researchpremier-research.com
Global clinical research and consulting services specializing in biotech, accelerating drug development, overcoming trial challenges, and delivering personalized end-to-end solutions. |
2,858 |
| 5 |
Syncfusionsyncfusion.com
It specializes in .NET, web, and mobile components for enterprise software, offering tools for various frameworks like Blazor and Flutter. |
2,636 |
| 6 |
Alliance Oneaointl.com
Agricultural company providing value-added products and services, offering responsibly sourced, sustainable, and traceable ingredients globally from their headquarters in North Carolina |
2,429 |
| 7 |
N-ablen-able.com
Protects businesses from cyberthreats with a unified cyber resiliency platform. Manages, secures, and recovers data using AI-powered technology and partner support. |
2,289 |
| 8 |
Syneos Health Clinical Solutionssyneoshealth.com
A leading biopharmaceutical solutions organization accelerating customer success by translating insights into outcomes and delivering important therapies worldwide |
1,569 |
| 9 | 1,437 | |
| 10 |
JF Petroleum Groupjfpetrogroup.com
A leading provider of fueling infrastructure solutions in North America, offering distribution, construction, and service to retail, commercial, and government customers |
1,194 |
| 11 | 1,162 | |
| 12 |
Syneos Health Commercial Solutionssyneoshealth.com
A fully integrated biopharmaceutical solutions organization specializing in accelerating customer success by translating insights into outcomes for modern market realities |
1,064 |
| 13 |
Reliasrelias.com
Workforce enablement solutions for healthcare organizations and caregivers, driving measurable outcomes, reducing costs, and improving patient care and experience. |
1,020 |
| 14 |
Syneos Health Communicationssyneoshealthcommunications.com
Leading healthcare network providing advertising, branding, public relations, and medical communications services to accelerate brand performance through integrated strategies and real-world market insights. |
915 |
| 15 |
Mercalismercalis.com
Integrated life sciences commercialization partner offering end-to-end solutions, data insights, patient services, and provider tools to help companies successfully launch new products |
859 |
| 16 |
BE&K Building Groupbekbg.com
Integrated construction services company specializing in various industries, dedicated to solving problems and delivering incredible results for clients through a solutions-oriented approach and commitment to safety |
695 |
| 17 |
Affordable Careaffordablecare.com
Leading consumer retail healthcare company focused on tooth replacement solutions, supporting affiliated dental practices with business expertise and non-clinical services. |
606 |
| 18 |
TG Therapeutics, Inc.tgtherapeutics.com
Biopharmaceutical company specializing in developing and commercializing novel treatments for B-cell diseases, with a focus on relapsing forms of multiple sclerosis |
542 |
| 19 |
Eton Solutions LPeton-solutions.com
Provides ERP software products (AtlasFive, EtonAI) and services for complex needs of Family Offices, Wealth Owners, RIAs, and other financial firms. |
482 |
| 20 |
TrialCardmercalis.com
An integrated life sciences commercialization partner providing comprehensive solutions across the healthcare value chain, helping companies successfully launch new products |
446 |
| 21 |
SilverSkysilversky.com
SilverSky is a leading Managed Detection and Response platform, offering enhanced threat detection, log management, and response services to organizations worldwide |
401 |
| 22 | 390 | |
| 23 |
UNC Physicians Networkuncpn.com
Providing comprehensive primary and specialty care services across North Carolina through a network of over 85 practices and 300 providers |
337 |
| 24 |
Copley Hospitalcopleyvt.org
A not-for-profit critical access hospital in Vermont providing high-quality, compassionate, personalized medical care with a focus on patient satisfaction and community service |
310 |
| 25 |
Pyxus International, Inc.pyxus.com
A global agricultural company with 150 years' experience, providing sustainable, traceable products and services while prioritizing farmer livelihoods and social responsibility |
256 |
| 26 |
Sequence Inc.sequenceqcs.com
Specializing in consulting for biopharmaceutical manufacturing, focusing on CQV and digital solutions Training consultants in a unique mock manufacturing facility Serving clients in US and Europe |
242 |
| 27 |
Insight Pest Solutionsinsightpest.com
A pest control company founded in 2010, committed to providing safe and effective pest control services with exceptional customer service |
229 |
| 28 |
ChannelAdvisorchanneladvisor.com
A leading multichannel commerce platform connecting brands and retailers with consumers, optimizing operations, and providing actionable analytics for improved competitiveness |
213 |
| 29 |
Gelest, Inc.gelest.com
Innovator, manufacturer, and supplier of advanced silicon and metal-organic materials, specializing in silanes, silicones, and metal-organics for various advanced technology applications and R&D. |
207 |
| 30 |
AQUALISaqualisco.com
AQUALIS specializes in sustainable water management, engineering for stormwater, wastewater, and water quality testing, offering tailored solutions for compliance needs |
185 |
| 31 | 182 | |
| 32 |
TBM Consulting Grouptbmcg.com
Consulting firm specializing in operations and supply chain improvements for manufacturers and distributors to accelerate business performance globally. |
182 |
| 33 |
Syneos Health Consultingsyneoshealth.com
Management consulting firm in biopharmaceutical industry providing services in strategy, commercialization, medical affairs, pricing, market access, R&D, and more Tackles complex business challenges for clients |
178 |
| 34 |
dMed Biopharmaceutical Co., Ltd. dba Caidyacaidya.com
A global clinical research organization focused on advancing healthcare innovation, accelerating therapy development, and providing comprehensive trial services worldwide |
176 |
| 35 |
Jones & Frankjfpetrogroup.com
Leading provider of turnkey solutions for fueling infrastructure in North America Distributes, installs, and services fueling equipment for retail, commercial, government, and emergency power customers |
175 |
| 36 |
IT People Corporationitpeoplecorp.com
A next-generation IT services and workforce solutions firm passionate about co-creating value through innovative IT services and staffing solutions globally |
168 |
| 37 |
iContacticontact.com
The company offers intuitive tools for professionals to quickly send engaging messages, helping businesses stand out and connect effectively in today's world |
166 |
| 38 |
Synteractsynteract.com
A leading full service CRO specializing in drug development for biopharma companies, with expertise in various therapeutic areas and global reach |
166 |
| 39 |
Premier Consultingpremierconsulting.com
Strategic product development and global regulatory consulting for emerging biotech and specialty pharma companies, providing end-to-end solutions for new technologies |
164 |
| 40 |
Triangle Rock Clubtrianglerockclub.com
Indoor climbing gyms in NC and VA offering classes, camps, and private group events along with top rope, lead climbing, and bouldering options |
163 |
| 41 |
Midatlantic B2B - India (Mid Atlantic Business Management Inc)midatlantic-bps.com
An AI-powered platform offering B2B lead generation, customer service, debt collection, and outsourcing solutions with a focus on quality and affordability |
159 |
| 42 |
Union Bank of VT & NHublocal.com
Community bank offering personal, business, and municipal banking services, asset management, and retirement strategies in Northern Vermont and Northern New Hampshire |
148 |
| 43 |
Magicforcemagicforce.us
Global IT staffing firm providing consulting, recruiting, and staffing services to help companies acquire strategic skills and IT resources efficiently and effectively |
148 |
| 44 |
Netsertivenetsertive.com
A multi-location marketing technology solution using proprietary technology and hyper-local expertise to create, deploy, and manage profitable, localized marketing strategies for clients |
69 |
| 45 |
Charles & Colvard, Ltd.charlesandcolvard.com
The company pioneers lab-created moissanite and lab-grown diamonds, offering ethical, sustainable, and high-quality jewelry for fashion, bridal, and fine purposes |
61 |
| 46 |
Bourne's Energybournesenergy.com
A local energy provider offering fuel oil, propane, kerosene, diesel, and wood pellets with a focus on exceptional service, greener choices, and energy efficiency |
42 |
| 47 |
RxDataSciencesyneoshealth.com
Provider of advanced data analytics solutions for biotech, pharmaceutical & healthcare industries using AI & ML technology to enable data-driven decisions and solve business problems |
41 |
| 48 |
Chainyardchainyard.com
Specializing in blockchain and digital transformation solutions, we help enterprises across various industries improve efficiency and gain a competitive advantage |
25 |
| 49 |
Visara Internationalvisara.com
Specializing in end-of-life product solutions and cost-effective technology migrations, this company offers Data Center and Disaster Recovery products for businesses |
18 |
| 50 |
Susteon Inc.susteon.com
A technology company in North Carolina focusing on climate change solutions through expertise in syngas, hydrogen, CO2 management, and power systems |
18 |
| 51 |
Welcome Federal Credit Unionwelcomecu.org
Empowering individuals with stable and stress-free financial solutions through personalized service, education, and access to nationwide branch locations |
18 |
| 52 |
iCloudNowicloudnow.com
Specializing in Cloud Transformation, the company builds cloud-native applications, modern web and mobile apps, and hybrid cloud solutions for Fortune 500 companies |
5 |
| 53 |
Global Procurement Services - GPS
A company specializing in enhancing business performance through tailored procurement and supply chain process improvements, offering control and visibility throughout |
3 |
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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