| # | Company | Employees |
|---|---|---|
| 1 |
EG Americaeg-america.com
A rapidly growing convenience store retailer in the US, part of a global company, offering top-notch products and services nationwide |
9,343 |
| 2 |
eClinicalWorkseclinicalworks.com
It provides Electronic Health Record and Practice Management solutions to medical professionals, enhancing care quality and reducing costs through technology. |
5,426 |
| 3 |
Cumberland Farmscumberlandfarms.com
A convenience store and petroleum marketer operating in New England and Florida Also manages commercial properties such as strip centers and gas stations |
3,798 |
| 4 |
Turkey Hill Minit Marketsnowhiring.com
Operating over 270 stores in multiple states, we provide fresh food, popular coffee, a variety of snacks, Turkey Hill products, and fresh sandwich and salad lines |
1,256 |
| 5 |
Tom Thumb Storestomthumbcstores.com
A leading convenience store and fuel station chain in Florida and southern Alabama, offering a variety of food, snacks, beverages, and fuel services |
923 |
| 6 |
Loaf 'N Jugloafnjug.com
A convenience store company with 152 locations in 8 states offering fresh foods, beverages, snacks, groceries, and fuel products, committed to excellent customer service and convenience |
822 |
| 7 |
Kwik Shop Inc.kwikshop.com
A leading convenience store chain in the US, committed to delivering modern retail experiences, quality products, exceptional customer service, and convenience to valued guests |
732 |
| 8 |
Spectrum Health Systems, Inc.spectrumhealthsystems.org
An innovative non-profit provider of evidence-based treatment for substance use and mental health disorders, offering a broad continuum of services |
665 |
| 9 |
DATAmundidatamundi.ai
A global language and technology service provider specializing in technology-enabled localization, managed services, and data solutions for content-rich companies worldwide |
544 |
| 10 |
NORESCOnoresco.com
This company helps clients reduce carbon emissions and improve infrastructure sustainability by deploying innovative energy solutions, saving costs, and reducing CO2 emissions |
500 |
| 11 |
Minit Martminitmart.com
A convenience store chain offering gas, food, and retail items Part of a global group with locations across Europe and North America |
466 |
| 12 |
ForHealth Consulting at UMass Chan Medical Schoolforhealthconsulting.umassmed.edu
Partnering with purposeful organizations to improve healthcare equity, effectiveness, and accessibility by transforming payment, information management, and care delivery systems |
444 |
| 13 |
Vsynergizevsynergize.com
A versatile service provider specializing in AI Contact Center solutions and BPO services, driving digital transformations, enhancing CX, and empowering education |
436 |
| 14 |
Murata Power Solutionsmurata.com
Leading provider of power conversion products, focused on server, storage, networking, E-Mobility, electric vehicles, robotics, and energy storage with quality products. |
420 |
| 15 |
AAFCPAsaafcpa.com
A premier CPA and consulting firm in New England offering audit, tax, accounting, and advisory solutions to nonprofits, commercial companies, and wealthy individuals |
396 |
| 16 |
Health Plans, Inc.hpitpa.com
This company partners with health plan brokers and employers to provide innovative self-funding strategies and custom plans for cost transparency and control |
378 |
| 17 |
Quick Stopnowhiring.com
Convenience store chain with locations in California and Nevada, offering fresh food, merchandise, and fuel services in over 100 communities |
368 |
| 18 |
The Key Program, Inckey.org
This organization offers support and services to troubled youth and their families, focusing on positive life skills, quality care, and community safety |
356 |
| 19 |
UMS - United Medical Systemsfinnitivhealth.com
Provider of advanced mobile medical services to hospitals, surgery centers, and offices nationwide, offering cost-efficient solutions and superior patient care |
330 |
| 20 |
Columbia Techcoghlincompanies.com
Columbia Tech offers engineering design, manufacturing, global fulfillment, and aftermarket services to leaders in various industries including life sciences and defense |
319 |
| 21 |
KPM Analyticskpmanalytics.com
global provider of analytical instruments and services for food, agriculture, clinical, and environmental sectors ensuring quality and process control |
247 |
| 22 |
Fastrac Marketsfastraccafe.com
A leading convenience store operator in Upstate New York offering fresh food, quality products, and fast fueling stations with a commitment to excellent customer service and convenience |
244 |
| 23 |
Alpha Analyticalalphalab.com
An environmental laboratory providing comprehensive solutions for industrial and commercial applications, specializing in air, water, soil analysis, emerging contaminants, and petroleum forensics since 1987 |
226 |
| 24 |
Saras Analyticssarasanalytics.com
Builds AI workforce and enterprise tools for D2C brands, simplifying complex data challenges and enabling informed decisions through better data infrastructure and expert services. |
215 |
| 25 |
Westborough Public Schoolswestboroughk12.org
A diverse and innovative public school district in Westborough, supporting students and staff to achieve high academic success and global citizenship |
174 |
| 26 |
Conservation Services Groupcsgrp.com
The company is a top provider of residential energy efficiency programs, offering customized solutions to save energy, money, and improve home comfort |
172 |
| 27 |
infosenseglobal
Infosenseglobal provides advanced technology solutions, specializing in Oracle applications and web development for businesses worldwide Their services include IT outsourcing, application integration, and research & development |
165 |
| 28 |
Quality Matrix Groupquality-matrix.com
Cutting-edge digital solutions provider offering quality assurance, DevOps, Salesforce integration, RPA, and data services to enhance business efficiency and agility globally |
157 |
| 29 |
Town of Westboroughtown.westborough.ma.us
The company is located in Westborough, Massachusetts, offering a mix of residences, industry, and commuter rail access to Boston and Worcester |
155 |
| 30 |
Ascend Elementsascendelements.com
A leading provider of sustainable battery materials solutions, revolutionizing lithium-ion production with innovative recycling technology for lower emissions and landfill waste |
148 |
| 31 |
Connectbaseconnectbase.com
It is a platform that enables service providers to buy and sell connectivity efficiently, leveraging location intelligence and automated workflows. |
133 |
| 32 |
Columbia Gas of Massachusetts, now Eversource. Please follow our company page, Eversourceeversource.com
The company is inviting people to follow their company page on Linkedin, offering an insight into Eversource Energy's services |
103 |
| 33 |
Grimes & Companygrimesco.com
A Registered Investment Advisor offering portfolio and wealth management services with a highly experienced team and a focus on disciplined asset management and strong performance |
86 |
| 34 |
Stowe & Degon LLCstowedegon.com
A full-service accounting firm with experienced professionals offering auditing, tax, financial advisory services, and consulting to diverse corporate and private clients |
56 |
| 35 |
CCR Wealth Managementccrwealth.com
A wealth management firm offering personalized financial planning solutions, portfolio management, insurance strategies, and investment management to individuals, corporations, and institutions |
54 |
| 36 |
Component Sources International (CSI) Groupcompsources.com
A specialized group offering unique manufacturing processes for precision components with world-class service, engineering support, and a variety of industries served |
28 |
| 37 |
Sentri
A leading provider of IT services, consulting, and solutions integration Specializing in communication & collaboration tools, managed services, and customized technology solutions |
27 |
| 38 |
Zensoft IT Solutions Inczensoftit.com
Global provider of software development, process outsourcing, and corporate consulting services for businesses and government agencies across various industries |
24 |
| 39 |
Vsynergize Globalvsyenrgizeglobal.com
A global IT services provider with industry-certified standards, offering solutions in telecom, banking, healthcare, consumer goods, logistics, emphasizing quality, innovation, and customer satisfaction |
21 |
| 40 |
NYSEARCH / NGAnysearch.org
A collaborative organization managing premier natural gas RD & D programs for gas utilities, focusing on improving safety, efficiency, and innovation in gas delivery systems |
10 |
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