| # | Company | Employees |
|---|---|---|
| 1 | 40,473 | |
| 2 |
Carrington Holding Company, LLCcarringtonhc.com
A company specializing in single-family residential real estate transactions, including investments, loan origination, asset management, property preservation, real estate sales, and title services |
2,427 |
| 3 |
MicroVention-Terumolinkedin.com
A rapidly growing medical device company in Southern California pioneering minimally invasive neuroendovascular technologies for therapeutic benefits in treating neurovascular disorders |
1,811 |
| 4 |
Microsemi Corporationmicrochip.com
The company offers semiconductor and system solutions for communications, defense, aerospace, and industrial markets, including analog mixed-signal ICs, FPGAs, power management products, and more |
1,507 |
| 5 |
Terumo Neuroterumoneuro.com
Development and distribution of advanced neurovascular treatment products for cerebral aneurysms, stroke, carotid artery disease, and malformations worldwide. |
1,411 |
| 6 |
Glaukos Corporationglaukos.com
Develops novel therapies for glaucoma, corneal disorders, and retinal diseases, advancing patient care and treatment options globally in the ophthalmic market. |
1,164 |
| 7 |
Metagenicsmetagenics.com
Metagenics specializes in personalized nutrition and lifestyle medicine, offering research-based products and programs to help individuals achieve optimal health and wellness |
1,082 |
| 8 | 1,004 | |
| 9 |
Ambry Geneticsambrygen.com
A leading clinical genomic diagnostic company with the largest genetic sequencing lab worldwide, offering precision medicine solutions and partnering with non-profit organizations |
977 |
| 10 |
AACN (American Association of Critical-Care Nurses)aacn.org
A leading specialty nursing organization dedicated to supporting over 500,000 nurses in caring for acutely and critically ill patients |
969 |
| 11 |
Covenant Carecovenantcare.com
Provider of skilled nursing, rehabilitation, residential care, and assisted living services with a focus on high quality care and patient independence |
792 |
| 12 |
One Identityoneidentity.com
Unifying identity governance, privileged access, and access management for organizations; strengthens identity perimeter, protects against breaches, ensures governance and compliance. |
737 |
| 13 |
Soka University of Americasoka.edu
A liberal arts college and graduate school promoting global citizenship through Buddhist principles, diverse student body, and financial aid opportunities |
633 |
| 14 |
Carrington Real Estate Servicesvylla.com
A full-service national brokerage offering expertise in residential real estate services, including retail sales, investments, rentals, and distressed property sales |
567 |
| 15 |
Seabreeze Management Company, Inc.seabreezemgmt.com
Full-service property management company with a focus on unique communities, professional management, and strategic guidance for over 100,000 properties |
463 |
| 16 | 459 | |
| 17 |
CyberProofcyberproof.com
Delivers threat-led, co-managed security operations using cloud-first and AI-powered approaches, providing industry-leading services for measurable business outcomes through client partnerships. |
450 |
| 18 |
NVISION Eye Centersnvisioncenters.com
Leader in LASIK and cataract surgery across the US, offering top technology and experienced surgeons for the best patient experience in eye care |
428 |
| 19 |
RxSight, Inc.rxsight.com
A California-based company revolutionizing cataract surgery with world's first adjustable intraocular lens customized post-surgery, aiming for optimized results for every patient |
418 |
| 20 |
QLogic, a wholly owned subsidiary of Cavium, Inc.marvell.com
A leading provider of data, server, and storage networking solutions with innovative technology integration and a diverse product portfolio |
417 |
| 21 |
Shea Propertiessheaproperties.com
Diversified real estate company with a storied past, specializing in acquisition, design, development, construction, leasing, and management of various properties |
353 |
| 22 |
IHI Power Services Corp.ihipower.com
Provider of operations, maintenance, and management services to the US power generation industry through ownership and operation of power plants nationwide |
326 |
| 23 |
Advantasureusthealthproof.com
Healthcare operations simplified with innovative solutions and industry expertise to improve member health, care experiences, and boost financial performance Contact us for more information |
314 |
| 24 |
Corent Technology, Inc.corenttech.com
Automates complex Cloud migration, modernization, and management tasks. Platform for Discovery, Migration, PaaS Integration, Containerization, SaaS-enablement, and Cost Optimization. |
287 |
| 25 |
ITRex Groupitrexgroup.com
Global technology consulting and software development company specializing in AI/ML, Big Data, Cloud, DevOps, and Intelligent Automation solutions for various industries |
202 |
| 26 |
Carrington Mortgage Holdingscarringtonhc.com
A diversified holding company with businesses in asset management, mortgages, real estate transactions, and logistics, providing comprehensive services in residential real estate |
191 |
| 27 |
Alcon LenSx, Inc.lensxlasers.com
Global leader in eye care innovation, specializing in advanced cataract surgery products, including the groundbreaking LenSx庐 Laser for precise and customizable procedures |
166 |
| 28 |
Premier Aquatics Services LLC.swimoc.com
A comprehensive aquatics service provider in Orange County offering swim school programs, CPR/AED courses, first aid training, and lifeguard services |
164 |
| 29 | 156 | |
| 30 |
Cross Country Workforce Solutions Groupcrosscountry.com
Leading provider of clinical and non-clinical staffing solutions for healthcare organizations, specializing in in-home elderly care Expertise in workforce strategy alignment and compliance |
156 |
| 31 |
Chronic Tacos Enterprises, Inc.chronictacos.com
A California-inspired Mexican grill offering authentic flavors and unique dining experience, with a loyal and devoted customer base |
151 |
| 32 |
Oxford Preparatory Academy Charter Schoolsopaschools.org
A tuition-free K-8 school committed to developing unique and gifted students in a safe, challenging, and caring environment with high academic performance |
149 |
| 33 |
Laura's Houselaurashouse.org
Providing shelter, support services, counseling, education, and legal assistance to individuals and families affected by domestic violence since 1994 |
147 |
| 34 |
erwin by Quest Softwareerwin.com
Maximizes data value, discovering, understanding, governing, scoring, sharing high-value, trusted data for data maturity, AI governance, compliance, and business opportunities. |
122 |
| 35 |
Vectron Internationalmicrochip.com
The company offers semiconductor and system solutions for various markets including communications, defense, aerospace, and industrial sectors Their products range from analog integrated circuits to security technologies |
122 |
| 36 |
Corporate Finance Associatescfaw.com
An international investment banking firm specializing in middle-market businesses, providing services for restructuring through divestiture, merger, acquisition, or recapitalization |
114 |
| 37 |
MakkPress Technologiesmakkpress.com
The company helps businesses grow online leads and sales through user-friendly websites, digital marketing analysis, and expertise in various technology platforms |
91 |
| 38 |
Epicuren Discoveryepicuren.com
Innovative skincare company using luxurious, natural ingredients to enhance well-being Award-winning products for ageless beauty, focusing on customer experience, wellness, and environmental awareness |
64 |
| 39 |
Accutive: FinTech + Securityaccutive.com
Innovative company offering niche technological solutions for fintech and security industries, with a focus on precision, dedication, expertise, and outcomes |
50 |
| 40 |
MPX Insurance Services, Inc.mpxinsurance.com
Full-service agency specializing in risk management and insurance coverage, offering expert advice and dependable service to protect businesses and individuals |
17 |
| 41 |
Energy Innovative Solutionsenergyinsol.com
An integrated energy solutions provider offering renewable energy, energy management software, LED lighting, financing, construction, and ongoing project management services |
6 |
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