| # | Company | Employees |
|---|---|---|
| 1 |
Marsh McLennan Agencymarshmma.com
Provides business insurance, employee health benefits, retirement planning, and private client insurance with personalized local service and global expertise. |
14,684 |
| 2 |
Four Points by Sheratonmarriott.com
Select-service hotels providing self-sufficient travelers with comfortable accommodations, approachable style, and attentive service at a great value, allowing guests to relax and indulge |
5,771 |
| 3 |
Ivy Rehab Networkivyrehab.com
A rapidly growing network of outpatient therapy clinics providing personalized care in 14 states with emphasis on professional growth and development |
3,927 |
| 4 |
VEG ER for Petsveg.com
Revolutionizing veterinary emergency care with open-plan hospitals, immediate doctor access, customer-centered approach, and philanthropic support for pets in need |
3,633 |
| 5 |
Atlas Airatlasairworldwide.com
Leading provider of outsourced aircraft and aviation services, operating large fleets of Boeing freighter and passenger aircraft worldwide. |
3,505 |
| 6 |
White Plains Hospitalwphospital.org
A not-for-profit hospital in the Hudson Valley providing advanced medical care, including cancer treatment, maternity care, stroke treatment, and emergency services |
3,097 |
| 7 |
Westchester Countywestchestergov.com
The organization promotes the diverse culture, landscapes, education, and quality of life in Westchester County under the leadership of County Executive George Latimer |
2,804 |
| 8 |
New York Power Authoritynypa.gov
Largest state public power organization producing mostly clean hydropower, supporting jobs, promoting energy efficiency, and selling electricity to diverse customers. |
2,295 |
| 9 |
Godiva Chocolatierpladisglobal.com
Global leader in premium artisanal chocolate, offering a wide range of high-quality products while prioritizing social responsibility and sustainability |
1,910 |
| 10 |
PURE Insurancepureinsurance.com
Specialty property and casualty insurer focused on protecting high value homes and assets, promoting transparency, fair premiums, and exceptional service Operating nationwide with a growing membership base |
1,202 |
| 11 |
Premier Home Health Care Services, Incpremierhomehealthcare.com
A leading home health care provider offering high quality personnel, training, and specialized programs to meet diverse medical and cultural needs |
1,107 |
| 12 |
Byram Healthcarebyramhealthcare.com
A national leader in medical supply delivery offering diabetes, ostomy, wound care, urology, incontinence, and nutrition products, acquired by a global healthcare services company |
914 |
| 13 |
TheraCaretheracare.com
A premier healthcare organization providing rehabilitation, developmental, and educational services in New York, New Jersey, and Connecticut since 1991 Quality services monitored for regulatory compliance |
785 |
| 14 |
Burke Rehabilitationburke.org
Provider of leading physical rehabilitation treatment, research, and education with inpatient and outpatient services to improve quality of life for patients recovering from injury, surgery, or chronic conditions |
767 |
| 15 |
Universal Americanrestaurantbeauport.com
A healthcare company providing Medicare and Medicaid benefits, working with providers to improve health outcomes and lower costs through collaboration |
653 |
| 16 |
American Instituteamericaninstitute.edu
Specializing in career-focused education, this company has locations in New Jersey, Connecticut, and Florida to serve students |
456 |
| 17 |
Combe Incorporatedcombe.com
A consumer-oriented company offering personal care solutions for universal needs, with a portfolio of established brands in major international markets |
454 |
| 18 |
Sabra Dipping Companysabra.com
A leading producer of hummus and plant-based dips, committed to sustainability, quality ingredients, and fostering a diverse and inclusive work culture |
429 |
| 19 |
Amalgamated Life Insurance Companyamalgamatedbenefits.com
A leading provider of group insurance and voluntary benefits, offering comprehensive solutions with strong financial stability and award-winning customer service |
410 |
| 20 |
Unlimited Care, Inc.unlimitedcareinc.com
A leading home health care provider in New York, offering skilled healthcare services, trained professionals, dignity, and support for patients' needs |
406 |
| 21 |
ECS Fin Inc.ecsfin.com
A global transaction processing consultancy providing holistic solutions including enterprise messaging, payment hubs, post-trade processing, data governance, reports, and test simulation services |
382 |
| 22 |
Elisabeth Haub School of Law at Pace Universitylaw.pace.edu
A law school offering JD, LLM, and SJD degrees in Environmental and International Law with a focus on balancing theory and practice |
378 |
| 23 |
Arch Capital Services LLCarchgroup.com
Global insurance and reinsurance provider with a focus on specialty lines, offering services worldwide through operations in various countries |
377 |
| 24 |
Turtle Beachturtlebeach.com
A leading gaming accessory provider offering best-selling headsets, controllers, and simulation accessories, known for innovation, quality, and top-rated customer support |
365 |
| 25 |
Pentegra Retirement Servicespentegra.com
A leading provider of retirement plan and fiduciary outsourcing solutions, offering expertise and oversight for improved outcomes and maximum flexibility |
295 |
| 26 |
The College of Westchestercw.edu
A student-centered college offering a diverse curriculum to meet the needs of students and employers, promoting personal excellence and workplace readiness |
225 |
| 27 |
Verisk Financialverisk.com
Verisk Financial leverages vast financial data and industry expertise to help clients anticipate trends, mitigate risks, and stay ahead of the competition through innovative solutions |
206 |
| 28 |
Legal Services of the Hudson Valleylshv.org
Providing free legal counsel in civil matters for poor and low-income individuals in the Hudson Valley region, ensuring access to justice for all |
206 |
| 29 |
Westchester County District Attorney's Officelinktr.ee
The company's website is used to provide information and resources related to Westchester County District Attorney's office |
193 |
| 30 |
Media Monitorsmediamonitors.com
A leading provider of radio, newspaper, and TV spot monitoring services, offering sales and marketing tools for media research firms and advertising agencies globally |
182 |
| 31 |
Black Starblackstar.com
Privately-owned photographic agency established in 1935, representing photographers for corporate assignments, photojournalism, and stock photography for publishing and corporate clients |
182 |
| 32 |
GLMglmmarkets.com
The company creates marketplaces for various consumer sectors through tradeshows, events, and digital platforms, showcasing innovative products and connecting businesses globally |
180 |
| 33 |
GRYPHONgryphon-strategies.com
Global consultancy firm offering unique investigative solutions blending data, human insight, and expertise to help clients make informed decisions in complex markets worldwide |
155 |
| 34 |
Anatomy ITanatomyit.com
Anatomy IT specializes in providing technology and cybersecurity solutions to help healthcare providers deliver exceptional patient care and navigate their unique challenges |
153 |
| 35 |
Keller Williams NY Realtykwnyrealty.kw.com
A company based in White Plains, NY that offers various products/services in their respective industry |
149 |
| 36 |
Traub Lieberman Straus & Shrewsberry LLPtraublieberman.com
Client-focused law firm serving the insurance industry with claim analysis, dispute resolution, policy drafting, cyber risk, technology, data security, and crisis management services nationwide |
148 |
| 37 |
Nutricia North Americanutricia-na.com
Nutricia provides science-based nutritional solutions to support healthy growth, development, and address various health challenges throughout different life stages |
140 |
| 38 |
Zephyrinformaconnect.com
Transforming complex data into a user-friendly platform for investment professionals, offering optimization tools, asset allocation, statistical analysis, and portfolio performance capabilities unmatched |
117 |
| 39 |
JustGojustgo.com
The company provides membership and administration software for national associations, sports clubs, and other organizations to simplify processes and maximize efficiency |
106 |
| 40 |
Deepspatial (CSE: DSAI | OTCQB: DSAIF)deepspatial.ai
A leading SaaS company specializing in AI-powered geospatial solutions, utilizing geospatial artificial intelligence and geographic information systems to support businesses |
91 |
| 41 |
LRC Construction, LLClrcbuild.com
A construction company specializing in overseeing diverse projects with personalized involvement, attention to detail, creativity, safety, quality, and cost containment |
89 |
| 42 |
Houlihan Parnes Realtors, LLChoulihanparnes.com
A vertically integrated commercial real estate investment and management firm with a diverse portfolio spanning multiple asset classes across the United States |
50 |
| 43 |
National Enrichment Groupnationalenrichmentgroup.com
A leading Health, Wellness, Nutrition, and Education management group for non-profit agencies, promoting community enhancement through integrated services and programs |
37 |
| 44 |
AssuredPartners NORTHEASTAssuredPartnersNE.com
An insurance and employee benefits firm in the Northeast region offering personalized risk solutions, outstanding customer service, and industry expertise |
36 |
| 45 |
Renzulli Law Firm, LLPrenzullilaw.com
A full-service law firm specializing in commercial litigation, data privacy, firearms industry counsel, intellectual property, product liability, and government contracts |
27 |
| 46 |
The Rockwell Financial Grouptherockwellfinancialgroup.com
An experienced full-service broker-dealer and investment banking firm offering exceptional performance and portfolio management skills for over 50 years |
26 |
| 47 |
EmpireCoreempirecore.com
Construction management firm in NYC specializing in redevelopment and new construction projects for high-rise buildings, store fronts, and apartment complexes |
25 |
| 48 |
BR Work Solutionbrworksolution.com
Specializing in e-commerce automation services for Amazon and Walmart, including store management, product optimization, and appeal services #amazon #walmart |
25 |
| 49 |
Tortoise Investment Management LLCtortoiseinvestment.com
Independent investment advisor in White Plains, NY managing over $1 billion in assets, specializing in financial planning and investment management for wealthy families |
22 |
| 50 |
Atlas Adjustments: Public Adjustersatlasadjustments.com
Property damage consulting firm advocating for policy holders after disasters Specializing in evidence-based insurance claim preparation with a team of experts |
20 |
| 51 |
True North Management Group, LLCtninvestors.com
Private real estate investment firm leveraging experience in dynamic environments for high-quality risk-adjusted and absolute returns |
20 |
| 52 |
GHP OFFICE REALTY, LLCGHPOFFICE.com
A leading owner and operator of commercial and industrial space in the New York area, specializing in acquiring, financing, leasing, and managing properties |
19 |
| 53 |
WeSuitewesuite.com
It provides sales management software tailored for security, IT, and AV integrators, enhancing efficiency through lead management and reporting tools. |
19 |
| 54 |
The Portfolio Strategy Grouppsgwealth.com
A leading independent wealth management firm offering custom portfolio management, financial planning, and personalized guidance to affluent individuals, families, and institutions nationwide |
19 |
| 55 |
Seven Bridges Wealth Advisorsameripriseadvisors.com
Wealth management firm providing comprehensive financial planning services to bridge clients to their financial goals and create a family office experience |
15 |
| 56 |
TrueNorth Financial Solutionstnorthfinancial.com
A locally owned financial services firm guiding clients towards their goals with trust, relationships, and brand differentiation within communities |
14 |
| 57 |
Concorde Staffing Groupconcordepersonnel.com
Premier staffing and recruiting firm established in 1986, providing effective human resource solutions for companies and connecting qualified candidates with better opportunities |
14 |
| 58 |
Rakow Commercial Realty Grouprakowgroup.com
A full-service commercial real estate firm serving NY, CT, and NJ, assisting clients with leasing, buying, selling, and renegotiating commercial properties |
14 |
| 59 |
Amur Finance Companyamurfinance.com
A global diversified holding company offering investment and operations in sectors including equipment, aviation, energy, shipping, logistics, and industrials, providing financing solutions and services |
13 |
| 60 |
All New York Title Agency Inc.allnyt.com
A full-service title insurance agency in New York with expertise in affordable housing, tax credit, bond financing, and real estate transactions |
13 |
| 61 |
PromoSuitepromosuite.com
A NYC-based software company specializing in promotions management software for the radio industry since 1992, offering a platform for improved productivity and collaboration |
10 |
| 62 |
mediaspa (now Overdose.)mediaspa.com
Full-service ecommerce agency specializing in Strategy, Design, Development, and Optimization Magento and Shopify experts improving online businesses for profitability and efficiency |
10 |
| 63 |
FINANCIAL SERVICES INDUSTRY EXCHANGE INCuz.api.comfolks.com
Financial services company in New York offering a range of financial products and services to clients in the industry |
9 |
| 64 |
1879 Advisors1879-advisors.com
Providing institutional-quality portfolio management and wealth planning strategies to preserve and grow assets for investors and their families Member of FINRA and SIPC |
9 |
| 65 |
SERVPRO庐 of Charles Countyservprocharlescounty.com
Established in 1987, this family-owned company specializes in fire and water damage restoration, prioritizing customer care and peace of mind during difficult times |
6 |
| 66 |
Lawrence A. Garvey & Associates, P.C.laglawfirm.com
A prominent law firm specializing in finance, business, and criminal law services with over 30 years of combined experience, serving clients nationally |
5 |
| 67 |
Halyard Asset Management, LLChalyardmgmt.com
A privately held SEC-registered investment advisor in White Plains, NY, specializing in fixed income investing with an active, conservative, and pragmatic approach |
5 |
| 68 |
Bright Energy Servicesbrightenergyservices.com
This company specializes in energy, HVAC, and lighting audits to reduce carbon footprints, improve building efficiency, and maximize savings through incentive programs |
5 |
| 69 |
LNK Partnerslnkpartners.com
Private equity firm specializing in investing in consumer and retail businesses, offering flexible investment structures and typically investing between $100-300 million per transaction |
5 |
| 70 |
ITT Automotiveitt.com
This company is a leading manufacturer of critical components and customized technology solutions for energy, transportation, and industrial markets |
4 |
| 71 |
AXRE, Corpaxre.com
A full-service residential brokerage and property management firm prioritizing client interests, specializing in real estate in New York and Connecticut Developing innovative technology |
2 |
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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