| # | Company | Employees |
|---|---|---|
| 1 | 109,404 | |
| 2 |
NVIDIAnvidia.com
A pioneering company in accelerated computing, known for inventing the GPU, shaping PC gaming, computer graphics, AI development, and creating the metaverse |
48,336 |
| 3 | 47,988 | |
| 4 |
Applied Materialsappliedmaterials.com
Leader in materials engineering solutions essential for semiconductor and advanced display technologies, enabling AI advancement and next-generation chip commercialization. |
31,512 |
| 5 |
Hitachi Vantarahitachivantara.com
Provides data management and analytics solutions enabling businesses to innovate and leverage data as a strategic asset for growth. |
10,529 |
| 6 |
Arista Networksarista.com
Industry leader in data-driven networking solutions for large data centers, campuses, and routing environments, offering platforms for availability, agility, automation, analytics, and security |
5,752 |
| 7 |
Pure Storageeverpuredata.com
Provides secure, real-time data storage solutions for SaaS, cloud providers, enterprises, enabling AI, machine learning, and multi-cloud environments. |
5,239 |
| 8 |
Spirent Communicationsspirent.com
Provide innovative testing, assurance, and automation solutions for wireless, positioning, 5G, cloud, and autonomous vehicle technologies. |
1,755 |
| 9 |
Shockwave Medicalshockwavemedical.com
Development of intravascular lithotripsy catheters using sonic pressure waves to safely disrupt calcified plaque and restore artery blood flow. |
1,535 |
| 10 |
OMNIVISIONovt.com
A global leader in digital imaging technology, specializing in advanced solutions for various industries, including mobile, security, automotive, medical, and emerging applications |
1,465 |
| 11 |
Ampereamperecomputing.com
Semiconductor company specializing in Cloud Native Processors for hyperscale cloud and edge computing, offering industry-leading performance, power efficiency, and scalability |
1,384 |
| 12 |
Gigamongigamon.com
Offers deep observability pipeline, amplifying power of observability tools. This helps assure security, compliance, speed root-cause analysis, and lower operational overhead in hybrid and multi-cloud IT. |
1,238 |
| 13 |
Astera Labsasteralabs.com
A global leader in purpose-built connectivity solutions for AI and cloud infrastructure, integrating PCIe, CXL, and Ethernet solutions in a scalable, customizable platform |
963 |
| 14 |
Ambarella Incambarella.com
A leading developer of visual AI products specializing in advanced technologies for various human and computer vision applications such as video security and autonomous driving |
781 |
| 15 |
SI-BONEsi-bone.com
Specializing in sacroiliac joint treatment, the company offers a less invasive implant system for fusion surgery, with over 65,000 procedures done |
555 |
| 16 |
SCREEN SPE USAscreen-spe.com
A US-based subsidiary of a Japanese corporation specializing in sales, service, and support for leading semiconductor process equipment |
536 |
| 17 |
SiFivesifive.com
SiFive develops innovative RISC-V-based IP building blocks at the forefront of reimagining computing platforms |
514 |
| 18 |
NSFOCUSnsfocusglobal.com
Iconic internet and application security company protecting global telecommunications and financial institutions with a multi-tenant cloud security platform and threat intelligence. |
513 |
| 19 |
SiTimesitime.com
A leader in silicon MEMS timing, this analog and semiconductor company offers programmable solutions for high-performance, small-sized, low-power, and reliable products |
498 |
| 20 |
IP Infusionipinfusion.com
This company provides network OS solutions for carriers, service providers, and data center operators, helping them lower costs and deploy new features quickly |
497 |
| 21 |
Innoviz Technologiesinnoviz.tech
Leading provider of LiDAR technology, serving automotive manufacturers, designing solutions for OEMs, system integrators, municipalities, commercial enterprises, and other use cases worldwide. |
469 |
| 22 |
FUJIFILM Dimatix, Inc.fujifilm.com
A leading supplier of drop-on-demand inkjet products for industrial applications, revolutionizing inkjet technology for print production and materials deposition |
459 |
| 23 |
Amlogic, Inc.amlogic.com
Global leader in SoC solutions for multimedia devices, specializing in OTT/IP STBs, Smart TVs, and Smart Home products with optimized performance and power consumption |
421 |
| 24 |
Hillstone Networkshillstonenet.com
Delivers comprehensive cybersecurity solutions to enterprises, securing critical assets and infrastructure from edge to cloud, recognized for network firewalls. |
367 |
| 25 |
Blue River Technologybluerivertechnology.com
The company empowers farmers with intelligent machinery to optimize chemical usage, improve yields, and solve agricultural challenges through innovation |
361 |
| 26 |
Picarropicarro.com
This company designs and manufactures precision instruments for various applications, utilizing cavity ring-down spectroscopy technology for global deployment and reliability |
313 |
| 27 |
Silergysilergy.com
A fast-growing semiconductor company offering innovative analog, power, and signal chain solutions for automotive, industrial, consumer, computing, and telecom applications worldwide |
272 |
| 28 | 266 | |
| 29 |
Nexthop AInexthop.ai
Development of highly efficient AI infrastructure tailored for major cloud operators, combining expert product design and network engineering. |
261 |
| 30 | 186 | |
| 31 |
Intevacseagate.com
The company specializes in thin film processing systems for high-volume manufacturing, digital sensors for defense, and digital imaging for military night vision programs |
184 |
| 32 |
Actiontecactiontec.com
A pioneer in wireless and broadband solutions, connecting people to content and enabling service providers and businesses to stay ahead in a connected world |
158 |
| 33 |
eASIC Corporationeasic.com
A fabless semiconductor company offering eASIC Platformโข devices that reduce cost and time to production of customized silicon devices through innovative customization technology |
37 |
| 34 |
FarmWise (acquired by Taylor Farms)farmwiselabs.com
The company specializes in developing advanced agricultural machinery that can perceive, understand, and act at the plant level for precision weeding and cultivation |
36 |
| 35 |
NTK Technologies, Inc.ntktech.com
Leading in IC ceramic packaging with global services, offering materials and design for various applications, including medical, automotive, aerospace, and more |
34 |
| 36 |
TechDiamondToolstechdiamondtools.com
The company specializes in manufacturing diamond cutting and polishing tools, as well as grinding compounds, pastes, and powders for lapping and polishing |
2 |
Turn this list into pipeline
Tamtam finds the decision-makers at every company on a list like this one, with verified emails, phone numbers and the buying signals that tell you when to reach out.
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 2, 2026.
More company lists in Santa Clara
- The largest companies in Santa Clara 261
- AI companies in Santa Clara 74
- SaaS companies in Santa Clara 64
- Software Development companies in Santa Clara 56
- IT Services and IT Consulting companies in Santa Clara 54
- IT services companies in Santa Clara 47
- Electronics and semiconductor companies in Santa Clara 37
- Data and analytics companies in Santa Clara 25
- Semiconductor Manufacturing companies in Santa Clara 25
- Publicly traded companies in Santa Clara 25
The same list elsewhere in United States
- Hardware manufacturers in the United States 5,337
- Hardware manufacturers in California 990
- Hardware manufacturers in Texas 425
- Hardware manufacturers in Illinois 296
- Hardware manufacturers in New York State 239
- Hardware manufacturers in Michigan 238
- Hardware manufacturers in Ohio 234
- Hardware manufacturers in Massachusetts 196
- Hardware manufacturers in Florida 178
- Hardware manufacturers in Pennsylvania 173
- Hardware manufacturers in Wisconsin 169
- Hardware manufacturers in Georgia 150
- Hardware manufacturers in New Jersey 144
- Hardware manufacturers in Alabama 141
- Hardware manufacturers in Minnesota 141
- Hardware manufacturers in North Carolina 129
- Hardware manufacturers in Washington State 122
- Hardware manufacturers in Indiana 115
- Hardware manufacturers in Colorado 103
- Hardware manufacturers in Virginia 91
- Hardware manufacturers in Connecticut 86
- Hardware manufacturers in Houston 134
- Hardware manufacturers in New York 91
- Hardware manufacturers in San Jose 83