| # | 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 |
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 |
| 3 |
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 |
| 4 |
HSNqvcgrp.com
A leading interactive retailer offering a curated assortment of exclusive products and top brand names, providing a unique shopping experience through entertainment and industry experts |
3,570 |
| 5 |
QVC Groupqurateretailgroup.com
This company specializes in video-driven shopping experiences across various platforms, combining entertainment with commerce to engage discerning shoppers worldwide |
2,717 |
| 6 |
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 |
| 7 |
Advertising Specialty Instituteasicentral.com
A leading organization in the promotional products industry, connecting suppliers and distributors through a powerful network and providing cutting edge tools and resources |
1,777 |
| 8 |
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 |
| 9 |
The Philadelphia Inquirerabout.inquirer.com
A historic journalism company serving the Philadelphia region, producing Pulitzer Prize-winning content that drives change and engages over 10 million readers monthly |
902 |
| 10 |
Entercomaudacyinc.com
Audacy, Inc offers access to the latest news and information on their new LinkedIn page |
849 |
| 11 |
F.A. Davisfadavis.com
An independent publisher with a legacy since 1879, offering a wide range of trusted books and online resources for healthcare professionals |
571 |
| 12 |
Philadelphia Inquirerphilly.com
This organization is a major daily newspaper in the Philadelphia area, also publishing The Philadelphia Daily News and providing news online |
555 |
| 13 |
AccuWeatheraccuweather.com
A global leader in weather forecasting, providing accurate forecasts and warnings to billions worldwide through various digital platforms and media outlets |
540 |
| 14 |
HMP Globalhmpglobal.com
HMP Global is a leading provider of healthcare content, events, and education, with a focus on improving patient care through accredited medical education |
537 |
| 15 |
Sight & Soundsight-sound.com
A storytelling company creating live theater, original productions, and feature films showcasing true stories of redemption and the power of the Gospel |
494 |
| 16 |
Printing Impressionspiworld.com
A premier graphic arts magazine providing industry trends, technology, success stories, and expert insights for commercial printers and mailers Join the community today! |
480 |
| 17 | 452 | |
| 18 |
Oncology Nursing Societyons.org
Professional association of oncology nurses promoting excellence in cancer care through education, conferences, advocacy, and research since 1975 |
449 |
| 19 |
Pittsburgh Post-Gazettepost-gazette.com
Western Pennsylvania's largest newspaper and top website covering business, sports, arts, and entertainment news in Pittsburgh and beyond Follow staff on Twitter @PittsburghPG |
434 |
| 20 |
American Association for Cancer Researchaacr.org
A leading professional organization dedicated to advancing cancer research through conferences, publications, funding, and advocacy for the prevention and cure of cancer |
425 |
| 21 |
Trib Total Mediatribtotalmedia.com
Delivering news, information, and advertising across Southwestern Pennsylvania through newspapers, digital services, commercial printing, direct mail, and media planning solutions |
395 |
| 22 |
XDAxda-developers.com
A leading digital publication focused on Android, mobile phone, and computing development, offering industry news, product reviews, editorials, and how-to guides |
378 |
| 23 |
Music Choicemusicchoice.com
A multi-platform video and music network providing uninterrupted music programming to 49 million households in North America |
356 |
| 24 |
Health Unionhealth-union.com
Health Union amplifies social health by providing condition-specific online communities for millions to find connections, information, and support throughout their health journey |
338 |
| 25 |
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 |
| 26 |
Dorrance Publishing Co.dorrancepublishing.com
Dorrance Publishing empowers aspiring authors by providing customizable publishing packages, promoting literary pursuits, and enabling anyone to become a published author |
236 |
| 27 |
Yoga Internationalyogainternational.com
Yoga International offers expert yoga practices, meditation, and holistic content to support living a longer, vibrant life through mind-body connection |
229 |
| 28 |
SACAsacapa.org
A non-profit organization providing support and services to marginalized communities in Lancaster, focusing on basic needs, unique gifts, and overcoming roadblocks |
213 |
| 29 |
Page Publishingpagepublishing.com
Specializing in guiding authors through the publishing process, refining manuscripts, and transforming them into polished finished products they can be proud of |
202 |
| 30 |
NAPCO Medianapco.com
A B2B media company connecting industries through integrated media programs, events, marketing services, custom content, and e-learning for measurable results |
198 |
| 31 |
Society of Hospital Medicinehospitalmedicine.org
Promoting exceptional care for hospitalized patients through a medical society of over 15,000 hospitalists specializing in comprehensive medical care |
196 |
| 32 |
National Constitution Centerconstitutioncenter.org
The organization in Philadelphia educates and engages people on the US Constitution through interactive programs, exhibits, debates, and educational resources |
183 |
| 33 |
Tru Vu Entertainment
Innovative media entertainment company combining radio, TV, and internet to offer free, interactive streaming service globally with viewer-controlled programming |
4 |
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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 Nov 2, 2026.
More company lists in Pennsylvania
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- Education providers in Pennsylvania 373
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- Financial services firms in Pennsylvania 264
- Healthcare providers in Pennsylvania 264
- Retail chains in Pennsylvania 246
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- Hardware manufacturers in Pennsylvania 173
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- IT Services and IT Consulting companies in Pennsylvania 172
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- Publicly traded companies in Pennsylvania 117
- SaaS companies in Pennsylvania 114
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- Real Estate companies in Pennsylvania 95
- Education Administration Programs companies in Pennsylvania 92
The same list elsewhere in United States
- Media companies and publishers in the United States 1,233
- Media companies and publishers in New York State 320
- Media companies and publishers in California 250
- Media companies and publishers in Florida 60
- Media companies and publishers in Illinois 52
- Media companies and publishers in Texas 43
- Media companies and publishers in New Jersey 32
- Media companies and publishers in Alabama 31
- Media companies and publishers in Massachusetts 31
- Media companies and publishers in Virginia 31
- Media companies and publishers in New York 304
- Media companies and publishers in Los Angeles 57
- Media companies and publishers in San Francisco 56
- Media companies and publishers in Washington 52
- Media companies and publishers in Chicago 33