This list features large multinational companies based in Pennsylvania, primarily focusing on financial services, technology, and manufacturing. Many of these firms have a long history, with several founded in the 19th or mid-20th century. Key examples include Comcast, a telecommunications and entertainment provider; EPAM Systems, a global digital transformation services provider; PNC, offering financial services; and PPG, a developer of paints and coatings.
A notable pattern is the concentration of headquarters in Pittsburgh and Philadelphia, indicating these cities are significant economic hubs within the state. The companies represent a mix of sectors, from traditional industries like chemical manufacturing with Air Products to modern IT services such as Unisys, highlighting Pennsylvania's diverse industrial landscape.
| # | 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 | 33,277 | ||||
| 7 |
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 | |||
| 8 |
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 | |||
| 9 |
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 | |||
| 10 |
Wabtec Corporationwabteccorp.com
Provider of equipment, systems, digital solutions, and services for freight rail, transit, mining, industrial, and marine transportation sectors. |
27,000 | |||
| 11 |
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 | |||
| 12 |
Unisysunisys.com
A global technology solutions company offering digital workplace, cloud, applications & infrastructure, enterprise computing, and business process solutions to empower organizations |
23,358 | |||
| 13 |
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 | |||
| 14 |
Air Productsairproducts.com
Supplier of industrial gases serving over 250,000 customers in more than 50 countries worldwide with diverse applications. |
20,000 | |||
| 15 |
Viatrisviatris.com
Global healthcare company providing extensive medicine portfolio and supply chain to deliver high-quality medicines addressing diverse health needs worldwide. |
17,886 | |||
| 16 | 17,780 | ||||
| 17 |
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 | |||
| 18 |
Mylanviatris.com
Empowering people worldwide to live healthier at every stage of life through a merger with Upjohn, now known as Viatris |
15,198 | |||
| 19 |
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 | |||
| 20 | 13,000 | ||||
| 21 | 12,502 | ||||
| 22 |
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 | |||
| 23 |
Penske Logisticspenskelogistics.com
provider of dedicated transportation, distribution management, 4PL, freight brokerage, and technology solutions for diverse industries worldwide |
11,808 | |||
| 24 |
Penske Truck Leasingpensketruckleasing.com
Provider of full-service truck leasing, fleet maintenance, rentals, used trucks, and technology solutions across North America. |
11,726 | |||
| 25 | 11,329 | ||||
| 26 |
The Hershey Companythehersheycompany.com
Leading global snacks company producing iconic confectionery brands, committed to quality products, community support, and educational initiatives. |
11,057 | |||
| 27 | 10,422 | ||||
| 28 |
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 | |||
| 29 |
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 | |||
| 30 |
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 | |||
| 31 |
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 | |||
| 32 |
Axaltaaxalta.com
A global provider of performance coatings for industrial, automotive, and refinish applications, focused on innovation for a sustainable future |
7,744 | |||
| 33 |
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 | |||
| 34 | 7,614 | ||||
| 35 |
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 | |||
| 36 |
Coherent Corp.coherent.com
Development and delivery of breakthrough technologies and innovations for industrial, communications, electronics, and instrumentation market applications worldwide. |
7,389 | |||
| 37 |
Clarioclario.com
A leading healthcare research and technology company providing expertise and technology for advancing clinical trials in various therapeutic areas worldwide |
7,151 | |||
| 38 |
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 | |||
| 39 |
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 | |||
| 40 | 6,283 | ||||
| 41 |
West Pharmaceutical Serviceswestpharma.com
provider of high-quality injectable components and devices ensuring safe, effective delivery and containment of medicines worldwide |
6,268 | |||
| 42 |
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 | |||
| 43 |
Anthropologieurbn.com
A lifestyle destination promoting creativity, optimism, and inspiration through unique artisan products, engaging with a community of creative-minded individuals |
6,242 | |||
| 44 |
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 | |||
| 45 |
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 | |||
| 46 |
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 | |||
| 47 |
Asplundh Tree Expert, LLCasplundh.com
A company specializing in safe and efficient line clearance services for utilities, as well as vegetation management for various industries |
5,645 | |||
| 48 |
Bentley Systemsbentley.com
Innovative software for infrastructure engineering, design, construction, and operations, advancing global economy and environment with industry-leading solutions in multiple sectors worldwide |
5,633 | |||
| 49 |
Aramark Refreshmentsaramarkrefreshments.com
Providing transformative and retail-inspired experiences in break-rooms with a focus on hospitality to refresh and inspire guests |
5,595 | |||
| 50 |
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 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 51 |
Vishay Intertechnology, Inc.vishay.com
Manufactures extensive range of discrete semiconductors and passive electronic components for automotive, industrial, computing, consumer, telecom, military, aerospace, and medical markets worldwide. |
5,426 | |||
| 52 |
UGI Corporationugicorp.com
An international energy distribution and services company focusing on delivering energy products, providing great service, serving communities, and delivering value to investors |
5,226 | |||
| 53 |
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 | |||
| 54 |
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 | |||
| 55 |
Olympus Corporation of the Americasolympusamerica.com
A global medical technology company partnering with healthcare professionals to provide solutions for early detection, diagnosis, and minimally invasive treatment |
4,752 | |||
| 56 |
K&L Gatesklgates.com
Global law firm providing expert legal counsel across corporate, regulatory, and litigation matters for diverse industries and public sector clients. |
4,682 | |||
| 57 |
Arconicarconic.com
A leading provider of aluminum products for automotive, aerospace, transportation, industrial, packaging, and construction markets, committed to innovation and advancement |
4,672 | |||
| 58 |
NEP Group, Inc.nepgroup.com
Worldwide live sports and entertainment production services using advanced technology and expert teams to deliver reliable, innovative media solutions for major events. |
4,569 | |||
| 59 | 4,561 | ||||
| 60 |
SUEZ - Water Technologies & Solutionswatertechnologies.com
Providing innovative solutions for industries, including water treatment and process optimization, to help businesses thrive and overcome challenges |
4,538 | |||
| 61 |
EPAM Anywhereepam.com
Global job platform providing remote opportunities for tech professionals to work on projects for global brands and startups, offering competitive compensation and world-class learning resources |
4,367 | |||
| 62 |
MSA - The Safety Companymsasafety.com
Designs and manufactures advanced safety products and technologies protecting workers and infrastructure worldwide across diverse industries. |
4,260 | |||
| 63 |
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 | |||
| 64 | 4,248 | ||||
| 65 |
TRIUMPHtriumphgroup.com
Design, engineering, manufacturing, repair, and overhaul of aviation and industrial components, partnering with OEMs and operators globally. |
3,933 | |||
| 66 |
IPS-Integrated Project Servicesipsdb.com
Technical consulting, architecture, engineering, procurement, and construction management for complex facilities through commissioning, validation, and compliance services to accelerate operational readiness and market speed. |
3,932 | |||
| 67 |
Susquehanna International Groupsig.com
global proprietary trading firm providing liquidity, competitive pricing, quantitative strategies, private equity, structured capital, and institutional brokerage services |
3,913 | |||
| 68 |
Advanced Call Center Technologies, LLCacttoday.com
Provider of outsourced call center services to various industries including financial services, telecommunications, healthcare, and retail, offering fraud prevention, customer service, sales, and back office support |
3,886 | |||
| 69 |
Anixteranixter.com
A global provider of distribution, logistics, and supply chain solutions, offering electrical, communications, security, and safety services to businesses worldwide |
3,757 | |||
| 70 |
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 | |||
| 71 |
Dunkindunkindonuts.com
Provides food and beverage products including coffee, donuts, and quick-service meals through a network of retail locations. |
3,575 | |||
| 72 |
Graham Packaginggrahampackaging.com
A leader in sustainable packaging design, manufacturing, and sales for food, beverage, household, and automotive industries with global reach |
3,562 | |||
| 73 |
Harsco Corporationenviri.com
Global provider of environmental waste management, recycling, onsite material processing, and rail infrastructure services across multiple industries and countries. |
3,553 | |||
| 74 |
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 | |||
| 75 |
CertainTeedcertainteed.com
A leading provider of sustainable exterior and interior building products in North America, with a focus on innovation and environmental responsibility |
3,511 | |||
| 76 |
Crane Payment Innovationscranepi.com
Provides world-class, automated payment solutions and experiences, developing products in currency validation, cash management, digital payment, mobile apps, and security for global consumers. |
3,504 | |||
| 77 |
Arbonnearbonne.com
A global skincare company founded in Switzerland in 1975, offering botanical-based products that are high quality, safe, eco-friendly, and effective |
3,453 | |||
| 78 |
Globus Medicalglobusmedical.com
Development and manufacturing of innovative orthopedic surgical products focused on improving patient outcomes and enabling pain-free, active lives. |
3,451 | |||
| 79 |
Eurofins Lancaster Laboratorieseurofinsus.com
A global contract laboratory providing comprehensive services in pharmaceutical, biopharmaceutical, and environmental sciences to a diverse range of clients worldwide |
3,426 | |||
| 80 |
Victaulicvictaulic.com
A global leader in pipe joining and flow control solutions for construction projects, offering innovative products and technologies for increased system durability |
3,373 | |||
| 81 |
SunGard - now part of FISfisglobal.com
Financial technology company offering updates and news through LinkedIn and FISGlobalcom after acquiring SunGard |
3,348 | |||
| 82 |
Lutron Electronicslutron.com
Design and manufacture innovative lighting, shading, and control systems to enhance everyday experiences through transformative light technology. |
3,347 | |||
| 83 |
Boeing Defense, Space & Securityboeing.com
A division of a leading company focusing on defense and aerospace products and services, based in Arlington, Virginia Formerly known as Boeing Integrated Defense Systems |
3,334 | |||
| 84 |
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 | |||
| 85 |
Excelitas Technologies Corp.excelitas.com
Provider of advanced photonic technologies specializing in sensing, detection, imaging, optics, and specialty illumination for diverse global industries. |
3,129 | |||
| 86 |
JLG Industriesjlg.com
Manufacturing mobile elevating work platforms, telehandlers, utility vehicles, and accessories for construction and industrial safety worldwide. |
3,052 | |||
| 87 | 3,030 | ||||
| 88 |
Accion Labsaccionlabs.com
IT services company focusing on business transformation through innovation with a global presence, specialized in building new products and re-engineering legacy products using cutting-edge technologies |
2,788 | |||
| 89 | 2,773 | ||||
| 90 |
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 | |||
| 91 |
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 | |||
| 92 |
The Judge Groupjudge.com
Provides international business technology consulting, talent solutions, and corporate learning services across various industries including healthcare and finance through thirty global office locations. |
2,642 | |||
| 93 |
Shift4shift4.com
Leading provider of commerce technology, enabling billions of transactions annually across diverse industries with simplified payment ecosystems worldwide. |
2,542 | |||
| 94 |
Vertex Inc.vertexinc.com
Provides comprehensive tax solutions and software, helping global businesses manage indirect tax obligations, compliance, and growth across various business systems and jurisdictions. |
2,515 | |||
| 95 |
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 | |||
| 96 |
SSi Peoplessipeople.com
An experienced staffing organization based in PA, connecting Fortune 1000 companies with skilled professionals across various industries in the US |
2,443 | |||
| 97 |
Inizio Engageinizioengage.com
A global healthcare engagement partner offering strategic, commercial, and creative solutions through consultation, technology, and activation expertise to inspire lasting change |
2,352 | |||
| 98 |
Matthews Internationalmatw.com
Global provider of precision industrial technologies and memorialization products, serving industries and funeral homes with innovative, efficient solutions. |
2,226 | |||
| 99 |
Dorman Productsdormanproducts.com
Manufacture and supply aftermarket automotive, heavy-duty, and specialty vehicle replacement parts designed to save time, money, and increase reliability. |
2,210 | |||
| 100 |
University of Pittsburgh School of Medicinemedschool.pitt.edu
Training physician leaders and scientists to improve health, advance research, promote equity, and collaborate internationally in medicine and education. |
2,199 | |||
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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 Nov 11, 2026.
More company lists in Pennsylvania
- The largest companies in Pennsylvania 3,427
- Education providers in Pennsylvania 373
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- Financial services firms in Pennsylvania 264
- Healthcare providers in Pennsylvania 264
- Companies with in-house R&D in Pennsylvania 255
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- Hardware manufacturers in Pennsylvania 173
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- SaaS companies in Pennsylvania 114
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- Insurance companies in Pennsylvania 101
The same list elsewhere in United States
- Multinational companies in the United States 16,197
- Multinational companies in California 2,592
- Multinational companies in New York State 2,216
- Multinational companies in Texas 1,418
- Multinational companies in Florida 897
- Multinational companies in Illinois 831
- Multinational companies in Massachusetts 637
- Multinational companies in New Jersey 624
- Multinational companies in Georgia 521
- Multinational companies in Michigan 468
- Multinational companies in Alabama 416
- Multinational companies in Virginia 396
- Multinational companies in Ohio 390
- Multinational companies in North Carolina 358
- Multinational companies in Washington State 288
- Multinational companies in Colorado 228
- Multinational companies in Minnesota 224
- Multinational companies in New York 1,836
- Multinational companies in San Francisco 446
- Multinational companies in Houston 402
- Multinational companies in Chicago 366
- Multinational companies in Miami 289
- Multinational companies in Atlanta 252
- Multinational companies in Boston 241