| # | Company | Employees |
|---|---|---|
| 1 |
Comcastcorporate.comcast.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 |
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 |
| 3 |
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 |
| 4 |
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 |
| 5 |
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 |
| 6 |
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 |
| 7 |
Jefferson Healthjeffersonhealth.org
This company is dedicated to providing excellent clinical care, educating future health professionals, and advancing research in health sciences |
18,520 |
| 8 |
Children's Hospital of Philadelphiachop.edu
Specialized pediatric hospital providing exceptional patient care, pioneering medical research, and training future pediatric healthcare professionals. |
18,042 |
| 9 |
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 |
| 10 |
Five Belowfivebelow.com
A unique company offers fun and affordable experiences with a strong emphasis on culture, values, and employee satisfaction |
14,644 |
| 11 |
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 |
| 12 |
City of Philadelphiaphila.gov
Employs 30,000 people across 1,000 job categories, focusing on service, integrity, diversity, and improving residents' opportunities. |
11,993 |
| 13 |
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 |
| 14 |
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 |
| 15 |
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 |
| 16 |
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 |
| 17 |
Axaltaaxalta.com
A global provider of performance coatings for industrial, automotive, and refinish applications, focused on innovation for a sustainable future |
7,744 |
| 18 |
Drexel Universitydrexel.edu
Academically comprehensive urban research university with a globally engaged community and a premier cooperative education program nationwide. |
7,580 |
| 19 |
Clarioclario.com
A leading healthcare research and technology company providing expertise and technology for advancing clinical trials in various therapeutic areas worldwide |
7,151 |
| 20 |
AmeriHealth Caritasamerihealthcaritas.com
providing integrated managed care, pharmaceutical and behavioral health services, supporting communities, improving health outcomes, and addressing poverty challenges |
6,442 |
| 21 |
Anthropologieurbn.com
A lifestyle destination promoting creativity, optimism, and inspiration through unique artisan products, engaging with a community of creative-minded individuals |
6,242 |
| 22 |
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 |
| 23 |
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 |
| 24 |
Aramark Refreshmentsaramarkrefreshments.com
Providing transformative and retail-inspired experiences in break-rooms with a focus on hospitality to refresh and inspire guests |
5,595 |
| 25 |
PSA BDPpsabdp.com
Global provider of integrated supply chain, transportation, and logistics solutions including 4PL, freight forwarding, customs clearance, warehousing, and supply chain visibility. |
5,445 |
| 26 |
Audacy, Inc.audacyinc.com
A multiplatform audio powerhouse creating compelling content, podcasts, and live experiences, connecting with diverse communities through shared experiences and passions |
5,182 |
| 27 |
Independence Blue Crossibx.com
Leading health insurance provider in southeastern Pennsylvania offering innovative, affordable healthcare products, rewarding quality care, and promoting community wellness programs. |
5,118 |
| 28 |
Morgan, Lewis & Bockius LLPmorganlewis.com
Legal professionals providing corporate, transactional, litigation, and regulatory services to diverse industries worldwide, supporting clients' immediate and long-term goals. |
5,068 |
| 29 |
PCI Pharma Servicespci.com
Provides world-class solutions for drug development, manufacturing, advanced drug delivery, clinical trials, and commercial packaging, delivering life-changing therapies globally. |
4,795 |
| 30 |
Korn Ferry Hay Groupkornferry.com
Global organizational consulting firm helping companies design their structure, roles, compensation, and hire talent to execute strategy in over 50 countries |
4,258 |
| 31 |
Day & Zimmermanndayzim.com
Global company specializing in construction, engineering, operations, maintenance, staffing, and security services with extensive experience and worldwide presence. |
4,211 |
| 32 |
Southeastern Pennsylvania Transportation Authority (SEPTA)septa.org
A major public transit system in Southeastern Pennsylvania offering bus, subway, trolley, Regional Rail, paratransit, and shared ride services across multiple counties |
3,982 |
| 33 |
Xfinityxfinity.com
Revolutionizing connectivity with the Xfinity 10G Network, leading the way into the future of high-speed internet services |
3,979 |
| 34 |
Aramark Healthcare+aramark.com
Providing innovative solutions for elevating patient and caregiver experiences in the ever-evolving healthcare industry |
3,941 |
| 35 |
Einstein Healthcare Networkjeffersonhealth.org
Healthcare network serving Philadelphia and Montgomery County, offering comprehensive medical services and patient care across multiple facilities. |
3,812 |
| 36 |
Saint Joseph's Universitysju.edu
Private Jesuit university offering undergraduate, graduate, and doctoral programs with strong academic standards and recognized accreditations. |
3,766 |
| 37 |
Gopuffgopuff.com
Instant commerce platform offering groceries, alcohol, home essentials, and more Orders delivered in minutes, catering to diverse everyday needs globally Founded in 2013 |
3,714 |
| 38 |
Dunkindunkindonuts.com
Provides food and beverage products including coffee, donuts, and quick-service meals through a network of retail locations. |
3,575 |
| 39 |
Harsco Corporationenviri.com
Global provider of environmental waste management, recycling, onsite material processing, and rail infrastructure services across multiple industries and countries. |
3,553 |
| 40 |
Carpenter Technology Corporationcarpentertechnology.com
Producer and distributor of premium specialty alloys and advanced materials for aerospace, transportation, medical, energy, and additive manufacturing applications. |
3,271 |
| 41 |
GLOBOhelloglobo.com
Technology-driven language solutions provider offering real-time multilingual communication services such as interpreting, translation, localization, and transcreation for diverse customer bases |
3,078 |
| 42 |
Marshalls Distribution Ctrmarshalls.com
Consumer services company in Philadelphia, PA specializing in distribution with a focus on meeting customer demands efficiently and effectively |
3,051 |
| 43 |
HHM Hotelshhmhotels.com
A leading hotel operator managing a portfolio of 240 hotels in the United States and Canada, known for delivering consistent results and focusing on people, processes, and technology |
2,716 |
| 44 |
Reliance Matrixreliancematrix.com
Delivering customized employee benefits, absence management, and productivity solutions through innovative technology, regulatory expertise, and a commitment to care and integration |
2,703 |
| 45 |
Janney Montgomery Scott LLCjanney.com
Providing tailored financial advice and wealth management solutions to individuals, families, businesses, and institutions with client-first approach. |
2,525 |
| 46 |
Gurugetguru.com
The company offers a platform that combines enterprise AI search, intranet, and wiki functionalities, facilitating knowledge sharing and reducing context switching |
2,516 |
| 47 | 2,481 | |
| 48 |
Rita's Italian Iceritasice.com
A leading Italian Ice concept with 500+ units across 31 states, offering fresh Italian Ice, creamy Frozen Custard, and signature treats |
2,376 |
| 49 |
Fox Rothschildfoxrothschild.com
A national law firm with 1,000 attorneys providing personalized legal solutions, prioritizing innovation, and building lasting relationships based on trust and success |
2,241 |
| 50 |
American College of Physiciansacponline.org
Largest organization representing internal medicine physicians, subspecialists, and students focused on adult health, diagnosis, treatment, and compassionate care. |
2,189 |
| 51 |
Cozen O'Connorlinktr.ee
A top-ranked law firm with 825+ attorneys in 31 cities globally, specializing in litigation, business law, and government relations for diverse clients |
2,150 |
| 52 |
Fox Chase Cancer Centerfoxchase.org
Dedicated cancer hospital with expert multidisciplinary teams advancing prevention, diagnosis, treatment, and survivorship through pioneering research and clinical care. |
2,146 |
| 53 |
Dechert LLPdechert.com
Provides legal advice on litigation, transactions, and regulatory matters across financial services, private capital, real estate, life sciences, and technology sectors. |
2,145 |
| 54 |
Community College of Philadelphiaccp.edu
Largest public college offering associate degrees, certificates, workforce training, and transfer programs, supporting local employment and economic growth. |
2,105 |
| 55 |
Catapult Learningcatapultlearning.com
National organization with 50 years of experience, providing intervention programs and professional development to educators and students in K-12 schools |
2,103 |
| 56 |
Yoh, A Day & Zimmermann Companyyoh.com
Yoh specializes in fulfilling talent demands across various industries, offering expertise in IT, Fintech, Cybersecurity, Healthcare, and more with a focus on thought leadership and local support |
2,059 |
| 57 |
Yates Constructionwgyates.com
A leading construction services provider with $2 billion in annual revenues, offering a full range of engineering and construction services globally |
2,045 |
| 58 |
Freelance Graphic and Web Designaisforandrew.com
A company specializing in freelance website design, user interface design, and logo design services |
2,022 |
| 59 |
Insomnia Cookiesinsomniacookies.com
Late-night cookie delivery service founded by a college student, offering warm cookies, brownies, ice cream, and milk until 3am at 200+ locations |
2,003 |
| 60 |
Ballard Spahr LLPballardspahr.com
Provides litigation, transactional, and regulatory legal services to diverse clients, leveraging technology for efficiency and strategic counsel. |
1,990 |
| 61 |
Duane Morris LLPduanemorris.com
Provides innovative legal solutions globally with over 900 attorneys, emphasizing partnership, inclusiveness, and consensus in addressing client challenges. |
1,952 |
| 62 |
Drexel University College of Medicinedrexel.edu
A prestigious medical school offering MD and graduate programs, committed to diversity and excellence in medical education and research |
1,935 |
| 63 |
ERTclario.com
Clario is a technology company specializing in clinical endpoint technology and medical imaging, aiming to innovate clinical trials and impact global healthcare positively |
1,914 |
| 64 |
La Salle Universitylasalle.edu
An educational community founded on Catholic and Lasallian values in 1863, continuing the legacy of St John Baptist de La Salle |
1,905 |
| 65 |
Envirienviri.com
The company provides essential waste management solutions for hazardous and non-hazardous waste, contaminated soil, and recycling services for steel and metals industries worldwide |
1,900 |
| 66 |
Resources for Human Developmentrhd.org
A human services organization based in Philadelphia empowering vulnerable populations to achieve independence through innovative programs across 14 states |
1,782 |
| 67 |
Blank Rome LLPblankrome.com
An Am Law 100 firm with 15 offices and 700 attorneys providing legal services worldwide, known for industry expertise and commitment to pro bono work |
1,749 |
| 68 |
Sparkswearesparks.com
Creation and design of trade show exhibits, brand activations, proprietary meetings, and digital engagements through innovative retail and corporate experience center solutions. |
1,686 |
| 69 |
STARR Restaurantsstarr-restaurants.com
Independent multi-concept restaurant group offering creative cuisine, compelling design, and heartfelt service across multiple U.S. cities. |
1,686 |
| 70 |
Philadelphia College of Osteopathic Medicinepcom.edu
A not-for-profit institution providing education in healthcare fields with a focus on whole person care, research, and community service |
1,611 |
| 71 |
FCAfcarchitects.com
Full-service architectural and design firm creating resonant spaces for clients, incorporating collaboration, enhancing lives, and promoting environmental responsibility through defined, rigorous processes |
1,604 |
| 72 |
CMI Media Groupcmimediagroup.com
A full-service media agency specializing in health, wellness, and pharmaceutical marketing Offering audience strategy, data analytics, buying, and direct response services |
1,599 |
| 73 |
Philadelphia Police Departmentphillypolice.com
They are a large police department in Philadelphia, focused on serving and protecting the community with over 6600 sworn members |
1,569 |
| 74 |
CBS Radioaudacyinc.com
A media company resulting from the merger of CBS RADIO and Entercom Communications, now known as Audacy Inc Offers various broadcasting services |
1,449 |
| 75 |
Aria - Jefferson Healthjeffersonhealth.org
A leading healthcare provider in Northeast Philadelphia and Lower Bucks County, offering community hospitals, outpatient centers, and primary care physicians to improve lives |
1,421 |
| 76 |
ESIS, Inc.esis.com
Provider of risk management services including claims management, pre- and post-loss services, and integrated absence management, backed by a global insurance leader |
1,395 |
| 77 |
St. Christopher's Hospital for Childrentowerhealth.org
A renowned pediatric care provider in Philadelphia offering exceptional services and nationally recognized programs for children worldwide since 1875 |
1,364 |
| 78 |
Odessaodessainc.com
A Philadelphia-based software company specializing in leasing industry solutions, offering end-to-end platforms for lease and loan origination and portfolio management |
1,347 |
| 79 |
Aramark Facilities Managementaramark.com
Aramark Facilities Management delivers flexible, reliable, and personable facilities management services to lower costs and enhance customer experiences in various sectors |
1,331 |
| 80 |
Philadelphia Philliesphillies.com
Major League Baseball club with a rich history, playing at Citizens Bank Park in Philadelphia since 2004 Offers tickets, events, and job opportunities |
1,320 |
| 81 |
Pennonipennoni.com
The firm partners with clients to deliver innovative, sustainable, and resilient engineering solutions, fostering long-term relationships focused on community impact |
1,317 |
| 82 |
pharosIQpharosiq.com
B2B data intelligence company using a proprietary engine to transform first-party behavioral signals into structured, actionable insights for full-funnel marketing activation. |
1,302 |
| 83 |
Rothman Orthopaedicsrothmanortho.com
Leading orthopaedic practice offering high-quality treatment for various musculoskeletal issues with top specialists, recognized for excellence, team physicians for professional sports teams, and urgent care services available |
1,269 |
| 84 |
Marshall Denneheymarshalldennehey.com
A leading civil defense litigation law firm with 500 attorneys across 19 offices, specializing in various practice areas including professional liability, healthcare, and workers' compensation |
1,261 |
| 85 |
Materamatera.com
Provider of instant payment, QR code payment, and core banking solutions for financial institutions globally, serving over 250 banks worldwide |
1,257 |
| 86 |
United Refrigeration, Inc.uri.com
Distribution of refrigeration, air conditioning, and heating parts and equipment with extensive locations and comprehensive customer service across North America. |
1,248 |
| 87 |
Philadelphia Eaglesphiladelphiaeagles.com
Progressive and storied sports organization with a strong commitment to the community, including the Eagles Autism Foundation, operating Lincoln Financial Field |
1,208 |
| 88 |
Penn Mutualpennmutual.com
With over 175 years of experience, this company partners with Financial Professionals to provide life insurance, annuities, wealth management, and institutional asset management solutions |
1,183 |
| 89 |
Mastery Schoolsmasterycharter.org
A non-profit school network in Philadelphia and Camden focusing on driving academic and personal growth for K-12 students |
1,171 |
| 90 |
dbt Labsgetdbt.com
Helping data teams create, manage, and scale AI-ready structured data with a powerful engine for trusted analytics globally. |
1,169 |
| 91 |
JEVS Human Servicesjevshumanservices.org
This organization provides a wide range of services including skills training, vocational rehabilitation, recovery services, and more to support individuals in need |
1,124 |
| 92 |
Jimmy Jazzsnipesusa.com
A global sneaker and streetwear chain store offering a wide range of brands, embodying urban youth culture with endorsements from celebrities and sponsorships of major urban events |
1,120 |
| 93 |
Saul Ewing LLPsaul.com
A national law firm with 400 attorneys and top business professionals delivering practical advice, excellent service, and innovative solutions to clients globally |
1,090 |
| 94 |
Aramark Sports + Entertainmentaramark.com
Provider of food, beverage, retail, and facility services for sports & entertainment venues, delivering immersive guest experiences and innovative dining concepts |
1,089 |
| 95 |
Spectraoakviewgroup.com
Specializing in hosting and entertainment, we offer integrated services to enhance customer experiences at sports venues, convention centers, and cultural events |
1,085 |
| 96 |
Reliance Standardreliancestandard.com
A solutions-based company offering innovative workforce management and employee benefits delivery through a broad portfolio of insurance products nationwide |
1,076 |
| 97 |
Archdiocese of Philadelphiacatholicchurchofphila.org
The company is a Roman Catholic organization in Philadelphia that proclaims the Gospel, builds Christian community, teaches the message of Christ, and serves the poor and needy |
1,058 |
| 98 |
Philadelphia Gas Workspgworks.com
provides natural gas energy services and solutions to over 500,000 residential and commercial customers in Philadelphia city |
1,047 |
| 99 |
GF Hotels & Resortsgfhotels.com
An award-winning company specializing in full-service hotel and resort management with a focus on maximizing guest satisfaction and career growth opportunities for team members |
1,042 |
| 100 |
Spark Therapeutics, Inc.sparktx.com
Leading gene therapy company focused on treating inherited diseases through innovative science, integrated expertise, and commitment to accelerating healthcare transformation globally |
1,035 |
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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 9, 2026.
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