| # | Company | Employees |
|---|---|---|
| 1 |
Oracleoracle.com
It provides cloud infrastructure and software, enabling organizations to innovate, improve efficiency, and secure data with an autonomous database. |
208,132 |
| 2 | 55,736 | |
| 3 |
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 |
| 4 |
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 |
| 5 |
Digital Realtydigitalrealty.com
Global provider of data center, colocation, and interconnection solutions, enabling secure connectivity between companies through a network of 300+ facilities worldwide |
5,263 |
| 6 |
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 |
| 7 | 3,599 | |
| 8 |
Tokyo Electron UStel.com
Engineering, manufacturing, selling, and servicing wafer-processing, flat panel display, and thin-film silicon photovoltaic equipment worldwide. |
3,086 |
| 9 | 2,856 | |
| 10 |
Silicon Labssilabs.com
A company specializing in secure, intelligent wireless technology to create a more connected world |
2,579 |
| 11 | 2,515 | |
| 12 |
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 |
| 13 |
DISCOcsdisco.com
Cloud-native AI-powered legal solution simplifying ediscovery, legal document review, legal hold, and case management for enterprises, law firms, and governments |
1,287 |
| 14 |
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 |
| 15 |
Bumble Inc.team.bumble.com
Platform enabling people to build healthy, equitable relationships through dating, friendship, and professional networking with women-centered approach. |
1,091 |
| 16 |
DTdigitalturbine.com
Mobile growth platform integrating ad technology into devices, enhancing advertising and monetization for advertisers, publishers, carriers, and OEMs worldwide. |
1,045 |
| 17 |
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 |
| 18 |
Upland Softwareuplandsoftware.com
It provides over 25 enterprise cloud software products that enhance revenue, reduce costs, and integrate AI capabilities for global businesses. |
815 |
| 19 |
Luminexint.diasorin.com
Empowering labs in various markets to obtain reliable, timely answers for improved health outcomes through innovative diagnostic solutions and technology |
761 |
| 20 |
BigCommercebigcommerce.com
A leading Open SaaS ecommerce platform empowering merchants to build and grow their businesses online with enterprise-grade functionality and ease-of-use |
730 |
| 21 |
Asure Softwareasuresoftware.com
This company provides Human Capital Management solutions for small and mid-sized businesses to help with payroll, HR, compliance, and time & attendance |
684 |
| 22 |
Atlas Energy Solutionsatlas.energy
Atlas Sand provides high quality frac sand reserves in West Texas, reducing well costs for the Oil & Gas industry with local availability |
613 |
| 23 |
Vital Farmsvitalfarms.com
A leading American brand offering ethically produced pasture-raised foods, emphasizing humane treatment of animals, sustainability, and long-term stakeholder benefits Sold nationwide |
510 |
| 24 |
Citizens Inc.citizensinc.com
An insurance holding company providing life insurance services in the United States since 1969 and internationally since 1975 through its subsidiaries |
507 |
| 25 |
Diasorindiasorin.com
Global provider of targeted and syndromic molecular diagnostic products for laboratories, offering kits for infectious diseases and LDT primer pairs |
344 |
| 26 |
FalconStor Softwarefalconstor.com
FalconStor modernizes disaster recovery and backup operations for hybrid cloud environments, reducing data storage costs by up to 95% |
290 |
| 27 | 232 | |
| 28 |
Arnold Oil Companyarnoldoil.com
A leading supplier of automotive products, shop equipment, lubricants, fuels, and outdoor power equipment, focusing on customer relationships and continuous improvement |
30 |
| 29 |
Front Porch Realty Austinfrontporchrealtyaustin.com
Stylish real estate firm in Austin, Texas with over 20 years of experience specializing in residential properties in Austin and surrounding areas |
2 |
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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 2, 2026.
More company lists in Austin
- The largest companies in Austin 1,245
- SaaS companies in Austin 192
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- Real Estate companies in Austin 87
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- Public sector organisations in Austin 30
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The same list elsewhere in United States
- Publicly traded companies in the United States 3,096
- Publicly traded companies in California 509
- Publicly traded companies in Texas 315
- Publicly traded companies in New York State 296
- Publicly traded companies in Illinois 154
- Publicly traded companies in Florida 151
- Publicly traded companies in Massachusetts 125
- Publicly traded companies in Pennsylvania 117
- Publicly traded companies in New Jersey 94
- Publicly traded companies in Ohio 94
- Publicly traded companies in Virginia 92
- Publicly traded companies in North Carolina 91
- Publicly traded companies in Georgia 90
- Publicly traded companies in Alabama 77
- Publicly traded companies in Colorado 65
- Publicly traded companies in Arizona 64
- Publicly traded companies in Michigan 59
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- Publicly traded companies in Houston 112
- Publicly traded companies in Chicago 71
- Publicly traded companies in San Francisco 63