| # | Company | Employees |
|---|---|---|
| 1 |
Comcastcomcast.com
Delivering broadband, mobile, and video products, along with entertainment, sports, news, and theme park experiences; driven by passionate creators and innovators |
189,000 |
| 2 |
EPAM Systemsepam.com
Global digital transformation services provider specializing in product development and engineering, creating better enterprise, education, and health platforms worldwide |
66,049 |
| 3 | 64,159 | |
| 4 |
Aramarkaramark.com
Global hospitality service provider delivering food and facilities management to educational institutions, healthcare providers, sports teams, and municipalities across sixteen countries worldwide. |
56,723 |
| 5 | 41,860 | |
| 6 |
DICK'S Sporting Goodsdickssportinggoods.jobs
Providing athletic equipment, apparel, and footwear through physical retail stores and ecommerce platforms while supporting youth sports via mobile applications and community funding. |
35,361 |
| 7 | 33,277 | |
| 8 |
Penn State Universitypsu.edu
Providing interdisciplinary education and resources across multiple campuses, fostering student success and positive global community impact through knowledge and experience. |
31,986 |
| 9 |
RITE AIDriteaid.com
A full-service pharmacy offering retail and delivery pharmacy services, health coaching, and disease management solutions through its subsidiaries Operates nationwide |
28,846 |
| 10 |
Vanguardvanguard.com
A community-oriented investment firm focused on helping investors achieve their goals by keeping costs low and aligning investor interests with company goals |
28,472 |
| 11 |
URBN (Urban Outfitters, Anthropologie Group, Free People & Nuuly)urbn.com
Global portfolio of creative consumer brands offering apparel, home goods, and lifestyle products with a focus on creativity and community. |
27,613 |
| 12 |
Wabtec Corporationwabteccorp.com
Provider of equipment, systems, digital solutions, and services for freight rail, transit, mining, industrial, and marine transportation sectors. |
27,000 |
| 13 |
Select Medicalcareers.selectmedical.com
Specialized hospital and rehabilitative care provider operating recovery hospitals, outpatient centers, and occupational health facilities across the United States. |
25,292 |
| 14 |
Penske Transportation Solutionsgopenske.com
A provider of transportation, supply chain, and technology solutions to drive global progress through Penske Truck Leasing, Penske Logistics, and related businesses |
23,946 |
| 15 |
Unisysunisys.com
A global technology solutions company offering digital workplace, cloud, applications & infrastructure, enterprise computing, and business process solutions to empower organizations |
23,358 |
| 16 |
American Eagle Outfitters Inc.aeo-inc.com
Global omni-channel retailer offering high-quality apparel, intimates, activewear, and personal care products through diverse brands focused on optimistic self-expression and social responsibility. |
22,832 |
| 17 |
University of Pennsylvaniaupenn.edu
Renowned Ivy League university with 12 schools offering a wide range of programs including arts, sciences, engineering, business, and medicine |
22,558 |
| 18 |
Penn Medicine, University of Pennsylvania Health Systempennmedicine.org
Leading academic medical center combining cutting-edge research, comprehensive patient care, and education to improve health and transform lives regionally. |
21,979 |
| 19 |
Wawa, Inc.wawa.com
A fast-growing chain of convenience retail stores offering fresh foods, beverages, fuel services, and community-focused initiatives while investing in employee development and well-being |
21,010 |
| 20 |
Air Productsairproducts.com
Supplier of industrial gases serving over 250,000 customers in more than 50 countries worldwide with diverse applications. |
20,000 |
| 21 |
University of Pittsburghpitt.edu
Top-ranked public institution in Pennsylvania, member of leading research universities Known for innovative discoveries and shaping future paths |
19,349 |
| 22 |
Jefferson Healthjeffersonhealth.org
This company is dedicated to providing excellent clinical care, educating future health professionals, and advancing research in health sciences |
18,520 |
| 23 |
Ricoh USA, Inc.ricoh-usa.com
Provide information management and digital services combining people, processes, and technology to enhance business agility and unlock insights. |
18,369 |
| 24 |
Children's Hospital of Philadelphiachop.edu
Specialized pediatric hospital providing exceptional patient care, pioneering medical research, and training future pediatric healthcare professionals. |
18,042 |
| 25 |
Viatrisviatris.com
Global healthcare company providing extensive medicine portfolio and supply chain to deliver high-quality medicines addressing diverse health needs worldwide. |
17,886 |
| 26 | 17,780 | |
| 27 |
Geisingergeisinger.org
Healthcare organization with 13 hospital campuses, research centers, medical college, and health plan serving millions in Pennsylvania Committed to quality healthcare |
15,962 |
| 28 |
The School District of Philadelphiaphilasd.org
Providing high-quality education to diverse students, ensuring academic success, lifelong learning, and preparation for productive societal roles. |
15,950 |
| 29 |
Highmark Healthhighmarkhealth.org
Provides health insurance, care delivery, population health management, dental solutions, reinsurance, and innovative technology to millions of customers across the nation. |
15,876 |
| 30 |
ResultsCXresultscx.com
ResultsCX provides transformational Customer Experience Management solutions to global brands, driving superior customer outcomes in various industries for over 30 years |
15,549 |
| 31 |
Mylanviatris.com
Empowering people worldwide to live healthier at every stage of life through a merger with Upjohn, now known as Viatris |
15,198 |
| 32 |
Five Belowfivebelow.com
A unique company offers fun and affordable experiences with a strong emphasis on culture, values, and employee satisfaction |
14,644 |
| 33 |
Genesisgenesishcc.com
Provider of high-quality healthcare services, including skilled nursing, senior living, rehabilitation therapy, and staffing, emphasizing diversity, equity, and inclusion in all aspects |
14,566 |
| 34 |
Giant Eagle, Inc.jobs.gianteagle.com
Operate family-owned grocery stores and convenience outlets, emphasizing community support, employee well-being, and ethical business practices. |
14,515 |
| 35 |
Temple Universitytemple.edu
A top-tier research institution in a vibrant city, offering diverse degree programs to prepare future leaders for impactful careers |
13,124 |
| 36 | 13,000 | |
| 37 |
Air National Guardairforce.com
Provides part-time military service with high-tech career training, college tuition assistance, and federal benefits while serving in local units near home. |
12,937 |
| 38 | 12,502 | |
| 39 |
Westinghouse Electric Companywestinghousenuclear.com
Global leader in providing safe and innovative nuclear technology, offering reliable power plants, fuel, automation, and services with a focus on safety and sustainability |
12,455 |
| 40 |
Lehigh Valley Health Networklvhn.org
Comprehensive healthcare network delivering high-quality, award-winning medical services focused on patient safety, nursing excellence, and community well-being. |
12,163 |
| 41 |
City of Philadelphiaphila.gov
Employs 30,000 people across 1,000 job categories, focusing on service, integrity, diversity, and improving residents' opportunities. |
11,993 |
| 42 |
FMC Corporationfmc.com
The company is dedicated to innovating sustainable technologies to protect crops, support farmers, and tackle agriculture's challenges using science |
11,986 |
| 43 |
Penske Logisticspenskelogistics.com
provider of dedicated transportation, distribution management, 4PL, freight brokerage, and technology solutions for diverse industries worldwide |
11,808 |
| 44 |
Penske Truck Leasingpensketruckleasing.com
Provider of full-service truck leasing, fleet maintenance, rentals, used trucks, and technology solutions across North America. |
11,726 |
| 45 |
Allegheny Health Networkahn.org
Integrated healthcare delivery system with hospitals, medical centers, wellness pavilions, and numerous physician practices serving Western Pennsylvania. |
11,676 |
| 46 |
Bimbo Bakeries USAbimbobakeriesusa.com
A leading baking company in the US, part of a global group, known for popular bread, cake, and snack brands |
11,648 |
| 47 |
Visiting Angelsvisitingangels.com
Provider of non-medical in-home care services for seniors and individuals with special needs, helping them maintain independence and quality of life |
11,542 |
| 48 |
WellSpan Healthwellspan.org
Integrated delivery system in South Central Pennsylvania and northern Maryland, providing comprehensive healthcare solutions through a network of providers, hospitals, home care, and behavioral health services |
11,400 |
| 49 | 11,329 | |
| 50 |
St. Luke's University Health Networkslhn.org
Integrated non-profit healthcare network in PA and NJ with 14 campuses, 300+ outpatient sites, medical school, nursing school, and top quality rankings |
11,156 |
| 51 |
The Hershey Companythehersheycompany.com
Leading global snacks company producing iconic confectionery brands, committed to quality products, community support, and educational initiatives. |
11,057 |
| 52 |
Carnegie Mellon Universitycmu.edu
University providing education that develops problem solvers, innovators, and pioneers in technology and the arts, ready for careers. |
11,021 |
| 53 |
Sheetzjobs.sheetz.com
A family-owned convenience store chain with over 700 locations in six states, dedicated to providing a high-energy culture, community impact, and employee benefits |
10,973 |
| 54 |
Lincoln Financiallincolnfinancial.com
Provides annuities, investments, life insurance, group protection, and retirement plan services to help customers achieve long-term financial security and reach personal goals. |
10,801 |
| 55 |
Airgasairgas.com
A leading supplier of industrial, medical, and specialty gases, safety products, ammonia, and process chemicals, committed to improving customer performance |
10,444 |
| 56 | 10,422 | |
| 57 |
Teleflexteleflex.com
Provides diverse medical technologies and solutions across various therapy areas, improving health and quality of life for people worldwide through purpose-driven innovation. |
9,909 |
| 58 |
The Goddard Schoolgoddardschool.com
An educational organization that promotes fun learning through academically endorsed methods to prepare children for long-term success in school and life |
9,847 |
| 59 |
Commonwealth of Pennsylvaniaemployment.pa.gov
Provides diverse employment opportunities across various professions to efficiently deliver government programs and services to Pennsylvania residents. |
9,601 |
| 60 |
Comcast Businessbusiness.comcast.com
A technology solutions provider offering connectivity, networking, cybersecurity, and communications solutions to businesses of all sizes, with a focus on driving innovation and growth |
9,292 |
| 61 |
QVCcareers.qvcgrp.com
The company provides a unique shopping experience through a diverse range of products, engaging stories, and exceptional customer service worldwide |
9,215 |
| 62 |
Main Line Healthmainlinehealth.org
A not-for-profit health system with hospitals, rehab facilities, outpatient centers, and physician networks, offering advancement opportunities and a supportive work environment |
9,033 |
| 63 |
Howard Hanna Real Estate Serviceshowardhanna.com
Provider of real estate, title, insurance, and mortgage services in 13 states with over 480 offices and 15,000 sales associates |
8,768 |
| 64 |
The Wharton Schoolupenn.edu
Educates global leaders through undergraduate, MBA, executive, and doctoral programs, advancing business knowledge and societal progress with a vast alumni network. |
8,554 |
| 65 |
PENN Entertainment, Incpennentertainment.com
A leading omni-channel provider of gaming and entertainment experiences with a large and diverse footprint in North America |
8,112 |
| 66 |
Urban Outfittersurbn.com
A lifestyle retailer creating inspiring retail environments with a curated mix of women's, men's, accessories, and home products |
8,092 |
| 67 |
Penn State Healthpennstatehealth.org
Multi-hospital health system in central Pennsylvania with medical centers, outpatient practices, and a partnership with Highmark Health for community care |
8,037 |
| 68 |
Weis Marketsjobs.weismarkets.com
A regional grocery chain with 200+ stores in 7 states, supported by a large warehouse, and a diverse workforce of 23,000+ employees |
7,894 |
| 69 |
Free Peopleurbn.com
Specialty clothing brand for women with latest trends and vintage collections, offering apparel, shoes, and accessories emphasizing femininity, spirit, and creativity |
7,889 |
| 70 |
F.N.B. Corporationfnb-online.com
Diversified financial services company offering commercial banking, consumer banking, wealth management, and insurance solutions across multiple U.S. states. |
7,832 |
| 71 |
Axaltaaxalta.com
A global provider of performance coatings for industrial, automotive, and refinish applications, focused on innovation for a sustainable future |
7,744 |
| 72 |
Highmarkhighmark.com
A leading health insurance organization delivering high-quality, accessible, and affordable solutions to 68 million members in multiple states |
7,672 |
| 73 |
B. Braun Medical Inc. (US)bbraunusa.com
A global healthcare leader specializing in infusion therapy, pain management, nutrition, pharmacy admixture, and dialysis products and services Committed to safety and innovation |
7,619 |
| 74 | 7,614 | |
| 75 |
Drexel Universitydrexel.edu
Academically comprehensive urban research university with a globally engaged community and a premier cooperative education program nationwide. |
7,580 |
| 76 |
Howmet Aerospacehowmet.com
A global provider of advanced engineered solutions for aerospace and transportation industries, specializing in jet engine components, aerospace fastening systems, and titanium structural parts |
7,402 |
| 77 |
Coherent Corp.coherent.com
Development and delivery of breakthrough technologies and innovations for industrial, communications, electronics, and instrumentation market applications worldwide. |
7,389 |
| 78 |
Clarioclario.com
A leading healthcare research and technology company providing expertise and technology for advancing clinical trials in various therapeutic areas worldwide |
7,151 |
| 79 |
PPL Corporationpplweb.com
Providing electricity to millions, building smarter, resilient power grids, advancing sustainable energy solutions, and fostering inclusive work environments. |
7,118 |
| 80 |
Hand & Stone Massage and Facial Spahandandstone.com
A leading Massage and Facial Spa franchise offering affordable services, proven revenue model, comprehensive support, training, and marketing programs nationwide |
6,900 |
| 81 |
United States Steel Corporationussteel.com
Developing and delivering profitable, next-generation steel solutions focused on safety and meeting current and future customer needs. |
6,794 |
| 82 |
Erie Insurance Grouperieinsurance.com
Multi-line insurance company offering auto, home, business, and life insurance through independent agents across 12 states and D.C. |
6,685 |
| 83 |
Crothall Healthcarecareers.crothall.com
A leading healthcare support services provider specializing in environmental services, clinical engineering, patient transportation, facilities management, sterile processing, and patient sitter/observation |
6,661 |
| 84 |
Kennametalkennametal.com
A global industrial technology leader specializing in advanced materials innovation, tooling, and wear-resistant solutions to enhance productivity for various industries |
6,659 |
| 85 |
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 |
| 86 |
AmeriHealth Caritasamerihealthcaritas.com
providing integrated managed care, pharmaceutical and behavioral health services, supporting communities, improving health outcomes, and addressing poverty challenges |
6,442 |
| 87 | 6,283 | |
| 88 |
West Pharmaceutical Serviceswestpharma.com
provider of high-quality injectable components and devices ensuring safe, effective delivery and containment of medicines worldwide |
6,268 |
| 89 |
EnerSysenersys.com
Global leader in stored energy solutions for industrial applications, offering motive power, reserve power, aerospace/defense, specialty batteries, and integrated services worldwide |
6,257 |
| 90 |
Anthropologieurbn.com
A lifestyle destination promoting creativity, optimism, and inspiration through unique artisan products, engaging with a community of creative-minded individuals |
6,242 |
| 91 |
Project Management Institutepmi.org
Leading professional organization offering project management certifications, resources, knowledge, and networking for project professionals worldwide since 1969. |
6,165 |
| 92 |
Saint-Gobain North Americasaint-gobain-northamerica.com
A global leader in sustainable construction materials and services, dedicated to enhancing buildings' efficiency and reducing carbon emissions by 2050 |
5,971 |
| 93 |
AMETEKametek.com
Global provider of industrial technology solutions with over $60 billion in annual sales, serving niche markets with differentiated technology solutions and focused on shareholder value generation |
5,963 |
| 94 |
Crown Holdings, Inc.crowncork.com
Design manufacture and sale of steel and aluminum cans, glass bottles, closures, and industrial packaging products and equipment worldwide. |
5,891 |
| 95 |
Ollie's Bargain Outlet, Inc.ollies.com
A leading retailer of closeouts and excess inventory, offering famous brand-name goods in 400+ store locations across 28 states |
5,881 |
| 96 |
Ascensusascensus.com
Ascensus is a leading provider of outsourced services in the savings plan industry, helping millions save for a better future through technology and expertise |
5,777 |
| 97 |
Temple Health โ Temple University Health Systemtemplehealth.org
Temple Health provides advanced research and clinical care, offering innovative treatments through renowned physicians, nurses, and researchers in various medical facilities and practices |
5,770 |
| 98 |
Healthcare Services Group, Inchcsg.com
A leader in healthcare facility services, specializing in housekeeping, laundry, dining, and nutritional services to improve operational and financial outcomes |
5,733 |
| 99 |
David's Bridaldavidsbridal.com
A company offering bridal, prom, quinceaรฑera attire with stunning designs, fabrics, alterations, planning tools, and inspiration for life's special occasions |
5,728 |
| 100 |
Thomas Jefferson Universityjefferson.edu
University focused on innovative health education, interdisciplinary learning, expert faculty collaboration, and redefining possibilities in health, education, and discovery. |
5,700 |
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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.
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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 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
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- The largest companies in Minnesota 1,700
- The largest companies in Maryland 1,527
- The largest companies in Wisconsin 1,482
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- The largest companies in San Francisco 2,030
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- The largest companies in Chicago 1,668