| # | Company | Employees |
|---|---|---|
| 1 |
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 |
| 2 |
Caris Life Sciencescarislifesciences.com
Development and delivery of advanced molecular profiling and AI-driven precision medicine tools for disease detection, diagnosis, monitoring, and therapy selection. |
1,642 |
| 3 |
Iovance Biotherapeutics, Inc.iovance.com
Develops and delivers tumor infiltrating lymphocyte (TIL) therapies, pioneering a transformational approach to cure cancer by harnessing the immune system. |
921 |
| 4 |
BPL Plasmakedplasma.us
The company is focused on collecting high-quality plasma to help patients with severe or rare diseases worldwide |
802 |
| 5 |
Luminexint.diasorin.com
Empowering labs in various markets to obtain reliable, timely answers for improved health outcomes through innovative diagnostic solutions and technology |
761 |
| 6 |
Castle Biosciences, Inc.castlebiosciences.com
Innovative diagnostics company focused on transforming disease management with advanced tests for various cancers and mental health conditions |
747 |
| 7 |
Baylor Geneticsbaylorgenetics.com
A genetics company based in Houston's Texas Medical Center, providing services to clients in 50 states and 16 countries |
622 |
| 8 |
DM Clinical Researchdmclinicalresearch.com
A network of clinical trial sites in Houston, Texas connecting research organizations to individuals for medical advancement through physician-conducted studies |
561 |
| 9 |
Food Safety Net Servicesfsns.com
Network of ISO-accredited labs providing scientific testing and expertise for regulated food industries to ensure consumer trust and safety. |
456 |
| 10 |
ImmunoTek Bio Centers, LLCimmunotek.com
A biotech company specializing in safe collection of high-quality blood plasma, opening new centers, and supplying lifesaving therapies to patients |
440 |
| 11 |
BioBridge Globalbiobridgeglobal.org
Integrates donor-to-patient services, offers blood, tissue, advanced therapies, and supports development of advanced therapies via access, testing, manufacturing, clinical trials. |
439 |
| 12 |
LifeCell, An Acelity Companyacelity.com
Leader in advanced wound therapeutics & regenerative medicine, providing innovative solutions globally to improve patients' lives with speed healing and economic value |
431 |
| 13 |
Diasorindiasorin.com
Global provider of targeted and syndromic molecular diagnostic products for laboratories, offering kits for infectious diseases and LDT primer pairs |
344 |
| 14 |
Scoutscoutclinical.com
Specializing in clinical meeting planning, patient payment, travel logistics, and virtual collaboration for pharmaceutical and biotech companies worldwide since 1995 |
229 |
| 15 |
Emerald Cloud Labemeraldcloudlab.com
Emerald Cloud Lab provides remote access to cutting-edge scientific labs worldwide, enabling researchers to design, run, and analyze experiments efficiently |
202 |
| 16 |
Miraca Life Sciencesmiracalifesciences.com
A leading provider of pathology services with expertise in dermatopathology, breast pathology, GI pathology, hematology/oncology pathology, and urologic pathology Also offers health IT consulting services |
185 |
| 17 |
True Healthtruehealthdiag.com
Innovative healthcare organization offering diagnostic testing, health management, and clinical integration services to empower patients and clinicians in disease prevention |
167 |
| 18 |
Supreme Optimizationsupremeopti.com
Specializing in digital marketing for life science companies, we offer innovative strategies and expertise to help drive growth and success online |
159 |
| 19 |
Santa Cruz Biotechnology (SCBT)scbt.com
Biotechnology company in Dallas offering diverse career opportunities in a collaborative work environment near downtown with access to sports, entertainment, and outdoor activities |
157 |
| 20 | 153 | |
| 21 |
Cellipont Bioservicescellipont.com
Develops and manufactures cell therapies from small to large batches, focusing on CAR-T, iNK, dendritic cell, and other novel cell therapy approaches. |
111 |
| 22 |
Matica Biotechnology, Inc.maticabio.com
Specializes in manufacturing viral vectors and gene therapies, offering streamlined global solutions with state-of-the-art technology for reliable and efficient product development. |
71 |
| 23 |
BioVeritasbioveritas.com
Upcycling excess biomass into natural ingredients approved by Mother Nature for a clean-label product line |
53 |
| 24 |
Sycamore Life Sciences LLCsycamorelifesciences.com
A technology startup passionate about empowering scientists and advancing research to drive innovation |
12 |
| 25 |
MindWalk Corp. (formerly BioStrand)mindwalkai.com
Innovative technology and software analyze large data sets with precision for revolutionary insights in therapeutic and diagnostic research across life science disciplines |
4 |
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 Oct 24, 2026.
More company lists in Texas
- The largest companies in Texas 8,086
- Oil and Gas companies in Texas 836
- IT Services and IT Consulting companies in Texas 665
- Energy companies in Texas 629
- IT services companies in Texas 464
- SaaS companies in Texas 442
- Retail chains in Texas 441
- Hospitals and Health Care companies in Texas 410
- Critical infrastructure operators in Texas 396
- Real Estate companies in Texas 371
- Software Development companies in Texas 350
- Transportation, Logistics, Supply Chain and Storage companies in Texas 348
- Education providers in Texas 291
- Construction companies in Texas 276
- Financial services firms in Texas 274
- Financial Services companies in Texas 271
- Manufacturers in Texas 269
- Logistics companies in Texas 238
- Public sector organisations in Texas 233
- Healthcare providers in Texas 221
- Publicly traded companies in Texas 188
- Consulting firms in Texas 180
- Truck Transportation companies in Texas 180
- Higher Education companies in Texas 177
The same list elsewhere in United States
- Biotechnology Research companies in the United States 543
- Biotechnology Research companies in California 150
- Biotechnology Research companies in Massachusetts 97
- Biotechnology Research companies in Pennsylvania 30
- Biotechnology Research companies in New York State 29
- Biotechnology Research companies in Maryland 28
- Biotechnology Research companies in North Carolina 25
- Biotechnology Research companies in San Diego 34
- Biotechnology Research companies in Cambridge 31