These Austin-based companies with in-house R&D are primarily large enterprises in technology, manufacturing, and healthcare. Oracle, with over 200,000 employees, delivers cloud infrastructure and applications, while Tesla Austria GmbH focuses on sustainable energy and electric vehicles. Flex is a manufacturing partner for diverse products, and The University of Texas at Austin is a large public university.
The list reveals a concentration of software development firms like NetSuite, Epicor, SailPoint, and Quest Software, which provide integrated business solutions, enterprise resource planning, identity security, and data management. There is also a notable presence of healthcare and biotechnology companies such as Action Behavior Centers, Natera, and Hanger, Inc., indicating a diverse R&D landscape in the region.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Oracleoracle.com
Delivers cloud infrastructure, data, and applications for AI, offering scalable solutions for various deployments, integrating AI into databases, data platforms, and business applications. |
206,235 | |||
| 2 |
Tesla Austria GmbHtesla.com
A company focused on accelerating the world's transition to sustainable energy through electric vehicles and clean energy generation and storage solutions |
128,000 | |||
| 3 | 55,736 | ||||
| 4 |
The University of Texas at Austinutexas.edu
A prestigious public university with a large campus, diverse academic programs, and a significant number of students, faculty, and staff |
26,268 | |||
| 5 |
NetSuitenetsuite.com
A pioneering cloud-based company offering integrated business solutions including financials, ERP, inventory management, HR, and omnichannel commerce to global customers |
15,622 | |||
| 6 |
Action Behavior Centers - ABA Therapy for Autismactionbehavior.com
Provide individualized ABA therapy, diagnostic support, parent training, and school readiness programs for children with autism across multiple states. |
8,869 | |||
| 7 |
NI (National Instruments)ni.com
The company engineers solutions using cutting-edge technology, automation, and software to help customers solve technology challenges and build better businesses |
7,971 | |||
| 8 |
Epicorepicor.com
It provides innovative solutions tailored for hard-working businesses, helping them grow, transform, and improve productivity in their industries. |
6,194 | |||
| 9 |
NXP acquires Freescale Semiconductornxp.com
A company specializing in semiconductors previously known as Freeascale, Inc has been acquired by NXP Semiconductors Visit their page for updates |
5,929 | |||
| 10 |
Nateranatera.com
Global leader in cell-free DNA testing for oncology, women's health, and organ health Pioneering noninvasive testing to inform proactive treatment worldwide |
5,791 | |||
| 11 |
Epicor Softwareepicor.com
Providing tailored software solutions to manufacturing, delivery, and sales businesses, enhancing productivity, growth, and operational effectiveness. |
4,802 | |||
| 12 |
Hanger, Inc.corporate.hanger.com
Provides orthotic and prosthetic patient care, designs and manufactures devices, offers consulting and rehabilitative services nationwide. |
4,737 | |||
| 13 |
SailPointsailpoint.com
Provides an identity security platform to manage and secure access to applications and data, defending against cyber threats and enhancing productivity for enterprises. |
3,699 | |||
| 14 |
Quest Softwarequest.com
Provides software solutions for data management, cybersecurity, and platform modernization, enabling organizations to build trusted foundations for AI success with speed and confidence. |
3,567 | |||
| 15 |
Dover Fueling Solutionsdoverfuelingsolutions.com
Provider of advanced energy dispensing equipment, automation systems, and payment solutions for global fueling and convenience retail customers Offers clean energy products and subscription services |
3,193 | |||
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 |
Tokyo Electron UStel.com
Engineering, manufacturing, selling, and servicing wafer-processing, flat panel display, and thin-film silicon photovoltaic equipment worldwide. |
3,086 | |||
| 17 | 2,856 | ||||
| 18 |
Silicon Labssilabs.com
A company specializing in secure, intelligent wireless technology to create a more connected world |
2,579 | |||
| 19 |
Planviewplanview.com
This organization helps customers achieve business and digital transformations, improve efficiency, and deliver strategic initiatives with their connected platform of solutions |
1,864 | |||
| 20 |
Cirrus Logiccirrus.com
Industry leader in low-power audio and high-performance mixed-signal processing technology, creating immersive experiences for mobile and consumer applications worldwide with flexible work culture |
1,817 | |||
| 21 |
Dimensional Fund Advisorsdimensional.com
Investment management firm applying Nobel Prize-winning financial science and research to offer diversified, low-cost equity and fixed income solutions globally. |
1,796 | |||
| 22 |
Bazaarvoicebazaarvoice.com
A leading platform trusted by brands to leverage customer feedback through user-generated content, influencer marketing, and customer engagement strategies for confident purchases |
1,714 | |||
| 23 |
Forcepointforcepoint.com
Simplifies security for global businesses and governments, making it easy to adopt Zero Trust and prevent sensitive data theft or loss everywhere. |
1,651 | |||
| 24 |
Thales Cybersecurity Productsthalesgroup.com
Thales Cloud Security specializes in protecting cloud, data, and access for organizations, ensuring privacy and compliance through encryption strategies and trusted solutions |
1,482 | |||
| 25 |
Impervaimperva.com
A cybersecurity company that protects applications, APIs, and data with integrated edge, application, and data security solutions, backed by threat research and global intelligence |
1,265 | |||
| 26 |
Thermonthermon.com
Provides safe, reliable, and innovative industrial process heating solutions, including flow assurance, temperature maintenance, freeze protection, and environmental monitoring for various industries globally. |
1,160 | |||
| 27 |
Saronic Technologiessaronic.com
Developing advanced unmanned surface vehicles with top-tier technology for maritime security and domain awareness through a fully integrated platform with AI |
1,159 | |||
| 28 | 953 | ||||
| 29 |
Aviat Networksaviatnetworks.com
A global provider of wireless transport products, services, and support for LTE and 5G broadband networks, serving customers in 170 countries |
926 | |||
| 30 |
The University of Texas Systemutsystem.edu
Large public university system in Texas providing education, research, healthcare, producing graduates, managing hospitals, and leading in innovation and employment. |
873 | |||
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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 Austin
- The largest companies in Austin 1,244
- SaaS companies in Austin 192
- Multinational companies in Austin 178
- Software Development companies in Austin 160
- IT Services and IT Consulting companies in Austin 116
- AI companies in Austin 115
- Subscription businesses in Austin 112
- IT services companies in Austin 93
- Real Estate companies in Austin 87
- Venture capital and private equity firms in Austin 75
- Professional services firms in Austin 66
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- Education providers in Austin 58
- Retail chains in Austin 58
- Consulting firms in Austin 53
- Financial services firms in Austin 53
- Financial Services companies in Austin 51
- Hardware manufacturers in Austin 44
- Healthcare providers in Austin 40
- Manufacturers in Austin 38
- Technology, Information and Internet companies in Austin 37
- Energy companies in Austin 36
- Critical infrastructure operators in Austin 35
The same list elsewhere in United States
- Companies with in-house R&D in the United States 6,796
- Companies with in-house R&D in California 1,276
- Companies with in-house R&D in Texas 442
- Companies with in-house R&D in New York State 419
- Companies with in-house R&D in Massachusetts 396
- Companies with in-house R&D in Illinois 322
- Companies with in-house R&D in Michigan 287
- Companies with in-house R&D in Ohio 277
- Companies with in-house R&D in Pennsylvania 255
- Companies with in-house R&D in New Jersey 224
- Companies with in-house R&D in Florida 221
- Companies with in-house R&D in Alabama 214
- Companies with in-house R&D in Georgia 173
- Companies with in-house R&D in Virginia 166
- Companies with in-house R&D in North Carolina 158
- Companies with in-house R&D in Wisconsin 154
- Companies with in-house R&D in Minnesota 146
- Companies with in-house R&D in Washington State 140
- Companies with in-house R&D in Colorado 113
- Companies with in-house R&D in Maryland 107
- Companies with in-house R&D in Indiana 104
- Companies with in-house R&D in New York 223
- Companies with in-house R&D in San Francisco 147
- Companies with in-house R&D in Houston 129