Palo Alto hosts a concentration of multinational companies, primarily in the technology sector. The majority are large enterprises, with a notable presence of software development, IT services, and semiconductor manufacturing firms. Key players include HP, a technology solutions provider, Broadcom, an infrastructure technology company, and VMware, which offers multi-cloud services. Varian specializes in medical equipment for cancer care.
The data reveals a strong focus on innovation and digital transformation. Many companies, such as Rubrik, founded in 2014, and Navan, founded in 2015, are relatively young and operate in cutting-edge fields like Zero Trust Data Security and AI-powered travel solutions. The presence of law firms like Cooley LLP and venture capital firms like 500 Global also highlights the robust support infrastructure for technology businesses in the area.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 142,944 | ||||
| 2 |
Broadcombroadcom.com
A leading global infrastructure technology company with a rich history of innovation, collaboration, and engineering excellence spanning over 60 years |
54,926 | |||
| 3 |
VMwarebroadcom.com
Leading provider of multi-cloud services enabling digital innovation with enterprise control Cultivating innovation to solve customer challenges with disruptive technologies |
11,230 | |||
| 4 |
Variancancercare.siemens-healthineers.com
Development and delivery of advanced imaging, radiation therapy, software, and services supporting the entire cancer care journey globally. |
8,395 | |||
| 5 |
Rubrikrubrik.com
A company specializing in Zero Trust Data Security, offering solutions such as data protection, ransomware investigation, and application recovery to ensure operational resilience |
5,113 | |||
| 6 | 3,733 | ||||
| 7 |
Cooley LLPcooley.com
A global law firm with 1,300 lawyers specializing in transformative deals, IP, regulatory matters, and litigation across the US, Asia, and Europe |
3,597 | |||
| 8 |
500 Global500.co
Global venture capital firm investing early in fast-growing technology companies worldwide, with a focus on unlocking long-term value and driving economic growth |
2,719 | |||
| 9 |
Hewlett Packardhpe.com
An American multinational IT company offering hardware components, software, and services to consumers, SMBs, large enterprises, government, health, and education sectors Founded in 1939 |
2,526 | |||
| 10 | 2,449 | ||||
| 11 |
Wilson Sonsini Goodrich & Rosatiwsgr.com
Leading legal advisor to technology, life sciences, and growth enterprises worldwide Specializing in corporate governance, finance, M&A, IP, and more Active alumni network available |
2,340 | |||
| 12 | 2,092 | ||||
| 13 |
SymphonyAIsymphonyai.com
SymphonyAI offers AI SaaS solutions to industries like retail, CPG, finance, manufacturing, media, and IT, boosting growth and productivity |
2,083 | |||
| 14 |
Yassiryassir.com
Operating a super App providing ride-hailing, last-mile delivery, and financial services in North Africa, France, Canada, and Sub-Saharan Africa. |
2,023 | |||
| 15 |
Founder Institutefi.co
Provides structured accelerator programs and global networks to help founders turn ideas into fundable startups and scale businesses globally. |
1,725 | |||
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. | |||||
| 16 |
Workatoworkato.com
It empowers enterprises to orchestrate business processes, operationalize AI, and enhance digital transformation with security, scalability, and performance. |
1,437 | |||
| 17 | 1,387 | ||||
| 18 |
Intappintapp.com
Intapp helps professionals leverage Applied AI to access and activate expertise for smarter decisions, risk management, and competitive advantage in various industries |
1,361 | |||
| 19 |
StatusNeostatusneo.com
Delivers enterprise AI engineering, product platforms, and domain consulting to transform software lifecycles and business operations into scalable, outcome-driven, and governed digital capabilities. |
1,040 | |||
| 20 | 962 | ||||
| 21 |
Uniphoreuniphore.com
It is a B2B AI-native company providing scalable AI solutions for enterprises, enabling swift deployment and democratization of enterprise knowledge. |
883 | |||
| 22 |
Algoliaalgolia.com
An end-to-end AI search and discovery platform that powers blazing fast search experiences for customers with hyperscale indexing technology |
883 | |||
| 23 |
Trantortrantorinc.com
pioneer creating enterprise technology solutions, assisting enterprises globally with digital transformations, business needs, engineering capabilities, successful technology products, and AWS cloud leveraging. |
858 | |||
| 24 |
Denododenodo.com
Data management leader providing unified access to enterprise, big data, cloud sources with agile data services provisioning and governance, at a cost-effective price |
794 | |||
| 25 |
Mercari USmercari.com
Mobile marketplace platform facilitating buying and selling globally, focused on putting money in sellers' pockets and reducing waste through positive outcomes |
659 | |||
| 26 |
PsiQuantumpsiquantum.com
PsiQuantum is focused on developing a useful quantum computer using photonics technology with a team of experts in various disciplines |
634 | |||
| 27 |
Startup Grindstartupgrind.com
Global community supporting early-stage startups with funding access, market expansion, and connections to founders, investors, and partners worldwide. |
547 | |||
| 28 | 539 | ||||
| 29 |
Enjoy Technology, Inc.enjoy.com
A technology company revolutionizing "Commerce at Home" by providing personalized retail experiences with delivery, setup, data-transfers, and product trade-ins |
533 | |||
| 30 |
Peblhellopebl.com
Platform enabling companies to hire, pay, and manage employees worldwide with compliance, local expertise, and seamless HR system integration. |
507 | |||
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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 13, 2026.
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