| # | Company | Employees |
|---|---|---|
| 1 |
AmerisourceBergenamerisourcebergen.com
Global pharmaceutical solutions organization focused on improving lives, facilitating market access, and delivering healthcare products while uniting 46,000+ team members to create healthier futures |
6,629 |
| 2 |
David's Bridaldavidsbridal.com
A company offering bridal, prom, quincea帽era attire with stunning designs, fabrics, alterations, planning tools, and inspiration for life's special occasions |
5,728 |
| 3 |
AdaptHealthadapthealth.com
A network of medical equipment companies offering tailored products and services to empower patients to live comfortably at home |
3,591 |
| 4 |
Quaker Houghtonhome.quakerhoughton.com
Global leader in industrial process fluids, serving advanced manufacturing industries with expertise in chemistry and engineering for efficient operations and future growth |
3,523 |
| 5 | 3,030 | |
| 6 |
Cencora | Pharma solutionscencora.com
A global pharmaceutical solutions organization partnering with pharma innovators to optimize product potential and improve access to healthcare products |
2,500 |
| 7 |
Finance of America Mortgage LLCfoamortgage.com
National mortgage banker offering diverse home loan products with a commitment to innovation and responsible lending, providing a high-tech, high-touch experience |
2,341 |
| 8 |
Morgan Propertiesmorgan-properties.com
A national real estate investment and management company with a multifamily portfolio of over 350 communities in 19 states |
1,542 |
| 9 |
Lash Grouplashgroup.com
A global pharmaceutical solutions company focused on improving health outcomes by optimizing market access to therapies for people and animals worldwide |
1,428 |
| 10 |
Suvodasuvoda.com
Global provider of clinical trial technology for complex studies in oncology, CNS, and rare disease, offering IRT, eConsent, and eCOA software and services |
1,282 |
| 11 |
MedRiskmedrisknet.com
MedRisk provides managed physical medicine services for workers' compensation industry, offering personalized care and tailored solutions for stakeholders' needs |
1,154 |
| 12 |
Madrigal Pharmaceuticalsmadrigalpharma.com
Clinical-stage biopharmaceutical company developing novel therapeutics for NASH, focusing on thyroid hormone receptor agonist to target underlying causes in the liver |
1,133 |
| 13 |
Hamilton Lanehamiltonlane.com
Global private markets investment management providing innovative solutions to institutional and private wealth investors with $1202+ billion assets under management |
989 |
| 14 |
Greater Philadelphia YMCAphilaymca.org
The organization promotes youth development, healthy living, and social responsibility through impactful programs in the Greater Philadelphia community |
950 |
| 15 |
Mercy Health System of Southeastern Pennsylvaniamercyhealth.org
A Catholic health care system in Philadelphia area with over 6,500 employees focused on quality patient care and community health improvement |
710 |
| 16 |
Quaker Chemical Corporationhome.quakerhoughton.com
Global leader in industrial process fluids, serving steel, aluminum, automotive, aerospace, mining, and metalworking industries with a focus on efficiency and effectiveness |
606 |
| 17 |
Firstrust Bankfirstrust.com
A family-owned commercial bank in Philadelphia region, empowering customers with tailored banking solutions and financial advice to achieve success |
489 |
| 18 |
TMG Healthtmghealth.com
A leading provider of expert solutions for government healthcare plans, offering technology-enabled services, expertise in CMS requirements, and innovative solutions for success |
467 |
| 19 |
Spring EQmortgage.springeq.com
Originates nationwide loan products, simplifying access to home equity for homeowners by reducing time and cost to tap into their home's value. |
404 |
| 20 |
PharmaForcethepharmaforce.com
Third Party Administrator specializing in supporting Contract Pharmacies, Mixed Use/Split Billing, and Home Infusion 340B Program Management with innovative technology and cost-effective solutions |
370 |
| 21 |
Universal Protection Svcuniversalpro.com
Innovative security and janitorial solutions with advanced technology, personalized customer service, and unmatched value for businesses of all types |
366 |
| 22 |
Kelly Pediatric Therapymypts.com
A provider of pediatric therapy services exclusively for schools and early intervention programs, offering customized education-based therapy programs and professional development support for therapists |
365 |
| 23 |
NSM Insurance Groupnsminc.com
Specialty insurance leader with 30+ years experience offering tailored programs for niche markets, achieving $15B in premium and growing through mergers and acquisitions |
336 |
| 24 |
Alliance Global Servicesepam.com
A software development firm specializing in building innovative applications, platforms, and products to drive revenue growth for technology businesses |
232 |
| 25 |
Conicelli Autoplexconicelliautoplex.com
A family-owned autoplex in the greater Philadelphia area offering sales and service for Honda, Toyota, Scion, Nissan, and Hyundai vehicles 700+ pre-owned cars available |
199 |
| 26 |
ZeroEyeszeroeyes.com
Leading AI-based weapons detection solution, integrating software into existing security systems, sending alerts upon gun detection, and trusted by diverse clients for proactive security. |
193 |
| 27 |
Attorney Assistantattorneyassistant.com
This company provides virtual assistants for law firms, offering support with time-consuming tasks to increase productivity and enable focus on high-impact work |
188 |
| 28 |
Xcendaxcenda.com
A strategic consultancy enabling biopharma partners to communicate and deliver brand value to global healthcare stakeholders, driving market access worldwide |
183 |
| 29 |
Pitcairnpitcairn.com
A wealth advisory firm offering comprehensive family office services to ultra-high-net-worth families, focusing on investment advisory, tax planning, and family governance support |
179 |
| 30 |
JK Associatesjkmed.com
A science-led global medical communications group specializing in designing and implementing scientific and medical education initiatives, partnering with other healthcare agencies worldwide |
156 |
| 31 |
National Board of Osteopathic Medical Examinersnbome.org
An independent nonprofit organization assessing competencies for osteopathic medicine and related professions through the Comprehensive Osteopathic Medical Licensing Examination (COMLEX-USA) |
155 |
| 32 |
TJPtjpagency.com
An innovative healthcare and wellness creative agency focused on enhancing lives through meaningful interactions and driving real change |
150 |
| 33 |
Empathy Labepam.com
A technology and digital services company dedicated to helping global enterprises thrive by innovating strategies, experiences, and products for customers |
147 |
| 34 |
CenterSquare Investment Managementcentersquare.com
Manages global real estate strategies and real assets. Enhances client investment portfolios. Team boasts 30+ years experience in real assets and liquidity. |
110 |
| 35 |
Firstrust Financial Resourcesffrpro.com
Wealth management and corporate benefits firm with a team offering customized guidance and financial programs, affiliated with a respected financial institution |
63 |
| 36 |
Carbon Stop Loss Solutionsnsminc.com
Specializing in niche health reinsurance, providing top-notch services such as underwriting, actuarial, cost containment, claims, and reinsurance-based risk management |
40 |
| 37 |
Penn Mutual Asset Management, LLCpennmutualam.com
A registered investment adviser specializing in risk-based institutional asset management, delivering tailored investment strategies and solutions to generate consistent returns |
34 |
| 38 |
Brown & Brown of Pennsylvaniabbofpa.com
A leading insurance intermediary with a decentralized business model, offering a range of solutions including Employee Benefits, HR, Compliance, Technology, and Risk Management |
30 |
| 39 |
Verif-y Inc.verif-y.com
This company innovates digital identity verification allowing users to control who accesses their verified information, while simplifying verification for third parties |
28 |
| 40 |
Compass Ion Advisorsionadv.com
Providing comprehensive financial planning and investment management services for individuals, families, and institutions to achieve their long-term financial goals |
27 |
| 41 |
M.F. Irvine an AssuredPartners Companymfirvine.com
A turn-key business solution offering Insurance and Risk Management services to organizations, dedicated to improving risk management and delivering value to clients |
24 |
| 42 |
nest egghellonestegg.com
Nest Egg offers a comprehensive investment platform integrating technology and personalized service for financial institutions, providing top-notch investment advisory, securities, and insurance services |
21 |
| 43 |
Delancey Street Partnersdelanceystreetpartners.com
An independent investment bank offering strategic advisory, capital raising, M&A services, and growth capital financing to high-growth private and public companies |
18 |
| 44 |
Ironview Capital Management LLCironview.com
A leading investment and benefits management firm specializing in private wealth management, retirement fiduciary services, and alternative investments with client-focused principles |
11 |
| 45 |
Trinity Capital Advisorstrinityca.com
A full-service commercial real estate organization providing investment banking, brokerage, development, and property management services to clients and investors |
8 |
| 46 |
Verified Constructionverifiedconstruction.com
A construction company in NJ and PA known for 24/7 customer service, high quality work, and lifetime warranty support for home remodeling projects |
4 |
| 47 |
ListenLogicportal.wrnash.com
A leading provider of data analytics and insights for various industries, specializing in unstructured data modeling, predictive analytics, and real-time risk sensing |
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