| # | Company | Employees |
|---|---|---|
| 1 |
Toll Brotherstollcareercenter.com
Leading luxury home builder with over 50 years of experience, offering diverse residential communities in prestigious locations and providing exceptional customer service and innovative solutions |
5,412 |
| 2 |
Newreznewrez.com
Providing personalized mortgage loans, refinancing options, and home equity solutions with dedicated support, especially for military families. |
5,327 |
| 3 |
Acts Retirement-Life Communitiesacts-jobs.org
A leading not-for-profit operator of CCRCs with 27 communities across 9 states, focused on providing quality care and supportive work environment for team members |
2,436 |
| 4 |
Ditech Financial LLCditech.com
A leading provider of home loans and mortgage services, offering employees a supportive work environment to grow and succeed |
2,021 |
| 5 |
IT Solutionsitsolutions-inc.com
Providing managed IT support, cybersecurity, cloud services, and strategic technology guidance to empower business growth and success. |
1,076 |
| 6 |
Lincoln Investmentlincolninvestment.com
Provides financial security to individuals and families via independent financial professionals and diverse investment choices. A broker-dealer and investment advisor. |
963 |
| 7 |
Gate 1 Travelgate1travel.com
Provider of affordable escorted tours, river cruises, independent vacations, and customized vacation packages worldwide with exceptional value and exemplary customer service |
686 |
| 8 |
PaperWorksonepaperworks.com
Leading integrated North American provider recycled paperboard, specialized folding cartons for various sectors, featuring state-of-the-art color gamut printing, upgraded mills and plants. |
672 |
| 9 |
Coventrycoventry.com
A financial services company that challenges industry norms, redefining life insurance by allowing policyowners to sell their policies for greater value |
555 |
| 10 |
Patriot Growth Insurance Services, LLCpatriotgis.com
A national agency offering Employee Benefits, Property & Casualty, and Personal insurance solutions, backed by investors GI Partners and Summit Partners |
554 |
| 11 | 519 | |
| 12 |
Access Servicesaccessservices.org
A Pennsylvania-based organization provides personalized services to support individuals and families in 13 counties through behavioral health, disability, autism, and children & family services |
456 |
| 13 |
M3 Global Researchm3global.com
Global healthcare market research company with relationships with over 2 million physicians worldwide, offering high-quality data collection and project management services |
454 |
| 14 |
Trumark Credit Uniontrumark.com
Financial institution offering banking, investing, and insurance services to over 131,000 members in Southeastern Pennsylvania with $29 billion in assets |
397 |
| 15 |
Research Pharmaceutical Servicesiconplc.com
Specializing in strategic solutions, our company partners with sponsors to enhance infrastructure, streamline development processes, and provide staff augmentation services |
383 |
| 16 |
Germantown Academygermantownacademy.net
A non-sectarian college preparatory school offering education from Pre-Kindergarten to Grade 12, focused on academics, sports, arts, values, and individual development |
373 |
| 17 |
Xsell Resourcesxsellresources.com
IT recruitment agency specializing in contract, contract-to-hire, and permanent placements for various IT roles with dedicated recruiters in specific disciplines |
365 |
| 18 |
Play & Learnplayandlearn.com
A leading non-profit daycare and early childhood education organization in Montgomery County, providing high-quality care and education for children |
307 |
| 19 |
CMC Energy Servicescmcenergy.com
A woman-owned energy efficiency company with nearly 40 years of experience, dedicated to reducing energy consumption and promoting awareness of efficiency |
277 |
| 20 |
M3 USAusa.m3.com
Provides comprehensive digital services to healthcare and life science industries, reaching millions of doctors globally with clinical information, education, and market research. |
258 |
| 21 |
Brooke Glen Behavioral Hospitalbrookeglenhospital.com
A mental health facility offering therapeutic services for children, teens, and adults with mental illness and behavioral disorders through unique programming and Trauma-Informed Care |
185 |
| 22 |
Magerks Pubmagerks.com
A popular pub that provides a lively atmosphere, delicious food, and a wide selection of drinks for customers to enjoy |
176 |
| 23 |
CM3 Building Solutionscm3inc.com
A building solutions company specializing in air, energy, security, and communications for commercial, healthcare, and institutional facilities in Pennsylvania, New Jersey, and Delaware |
152 |
| 24 |
Red Orangeredorange.com
A globally networked supply chain management firm specializing in global sourcing, procurement, and logistics for US Federal government contracts, based on Biblical principles and patriotism |
71 |
| 25 |
Futura Services, Inc.amtechsoftware.com
Provider of end-to-end technology solutions and services for various industries, specializing in procurement, deployment, hosting, support, and management of technology assets |
11 |
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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