| # | Company | Employees |
|---|---|---|
| 1 |
Quest Diagnosticsquestdiagnostics.com
Provides extensive clinical laboratory testing services, innovative diagnostics, pathology, and consultation to improve health outcomes and support healthcare providers. |
32,423 |
| 2 |
The Vitamin Shoppevitaminshoppe.com
Retailer offering a wide range of high-quality vitamins, supplements, proteins, natural beauty products, and expert health guidance in stores and online. |
3,604 |
| 3 |
IPSedenredpay.com
Leading provider of cloud-based solutions transforming accounts payable & invoice processing with data capture, RPA, digital workflows, analytics, and supplier management capabilities |
3,272 |
| 4 |
Gymboreegymboree.com
A portfolio of children's brands offering high-quality clothes and accessories, with a focus on customer satisfaction, brand excellence, and team collaboration |
2,877 |
| 5 |
ZT Systemsztsystems.com
The company provides cloud-enabling server solutions for leading companies, bridging the gap between problem and solution for complex server design needs |
1,885 |
| 6 |
The Children's Placechildrensplace.com
Leading North American retailer specializing in fashionable, high-quality children's apparel sold at value prices through over 900 stores and an online platform |
1,315 |
| 7 |
MLB NETWORKmlb.com
MLB Network is a premier television destination for baseball fans, offering live games, original programming, insights, analysis, and highlights year-round |
988 |
| 8 |
Ashley Stewart, Inc.ashleystewart.com
Fashion and multi-media brand serving curvy women through eighty-one stores and e-commerce platforms, focusing on empowerment, social media influence, and community investment. |
893 |
| 9 |
COSCO SHIPPING Lines (North America) Inc.na.coscoshipping.com
A global shipping company with the largest capacity in the Transpacific, operating in the US, Canada, Panama, and Mexico, providing value-driven services |
787 |
| 10 |
Hudson Regional Healthhudsonregionalhospital.com
A leading hospital in Hudson County focused on promoting community health and wellness |
449 |
| 11 |
Travel Weeklytravelweekly.com
A leading B2B news resource for the travel industry, providing late-breaking news, analysis, and research to help travel professionals succeed |
372 |
| 12 |
Riverside Medical Groupriversidemedgroup.com
A healthcare company within Optum, Riverside Medical Group provides quality care to over 16 million patients in New Jersey and southern Connecticut |
369 |
| 13 |
EmpireCLS Worldwide Chauffeured Servicesempirecls.com
A global luxury chauffeured transportation provider offering safe and discreet services to influential clients in over 1000 cities worldwide |
352 |
| 14 |
The Hartz Mountain Corporationhartz.com
A pet care company focused on providing innovative, affordable products to strengthen the bond between pets and families, supported by a diverse and inclusive culture |
349 |
| 15 |
Quest Diagnostics Healthcare IT Solutions (formerly MedPlus)questdiagnostics.com
A technology partner for healthcare organizations, helping navigate data and operational challenges to improve care delivery, with over 50 years of experience in the industry |
329 |
| 16 |
Unique Designs, Inc.ud-ny.com
Integrated multiple jewelry companies to offer diverse, innovative collections for high-end jewelers, online retailers, and mainstream stores. |
185 |
| 17 |
Alpine Healthalpinehealth.com
A leading healthcare distributor offering a wide range of products including pharmaceuticals, supplies, and medical/surgical products with fast delivery across the US |
182 |
| 18 |
OrangeHRMorangehrm.com
OrangeHRM helps HR professionals worldwide with powerful software tools for HRIS, PTO tracking, performance reviews, and HR management |
172 |
| 19 |
Rose Brandrosebrand.com
Specializing in providing theatrical fabrics, custom sewn curtains, scenic elements, and production hardware to entertainment, event, religious, and academic organizations |
171 |
| 20 |
Frederick Goldman, Inc.newb2b.fgoldman.com
Jewelry manufacturing company producing wedding rings and contemporary jewelry, operating globally with multiple brands and advanced marketing strategies. |
165 |
| 21 |
GGI | General Glass Internationalgeneralglass.com
A family-owned company in the flat glass industry offering a wide range of quality glass options sourced globally, fabricated locally, and distributed nationally |
164 |
| 22 |
Secaucus Board of Educationsboe.org
This company based in Secaucus, NJ, provides primary and secondary education services at their location on 685 5th street |
154 |
| 23 |
TOA Electronics, Inc.toa-global.com
This company pioneers audio, video, and networking technologies, providing products like voice evacuation systems, security cameras, and creating a connected business model |
152 |
| 24 |
Cory Home Deliverycorycompanies.com
A family-owned company specializing in home delivery services for top retailers, providing accurate, courteous, and on-time deliveries across America |
148 |
| 25 |
Bare Necessitiesbarenecessities.com
A leading intimates retailer based near New York City, offering 140 brands and their own label, focused on customer comfort and confidence |
148 |
| 26 |
Boxzookaboxzooka.com
A leading e-commerce order fulfillment partner that offers advanced technology, exceptional unboxing experiences, and personalized account management for global selling operations |
83 |
| 27 |
Tele-Dynamicstdnyc.com
A leading provider of comprehensive and cost-effective technology solutions for businesses, offering the latest technology and unmatched support for over 45 years |
61 |
| 28 |
Breez by Cyntra.aicyntra.ai
Provides AI-powered self-service kiosks and point-of-sale systems to accelerate checkouts, reduce labor costs, and enhance customer experiences in retail and restaurant sectors. |
50 |
| 29 |
BigFly Inc.big-fly.com
Specializing in Amazon, this company helps brands grow by offering full-service solutions tailored for brand partnership and growth strategies |
9 |
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