Companies in High Performance Computing
There are 674 companies in High Performance Computing which include Altair, CoreWeave, Hewlett Packard Enterprise, Lightmatter, Rescale. 223 companies in High Performance Computing are funded, with 123 having secured Series A funding. Till date, the sector has seen the creation of 16 Unicorns. United States has the most number of companies in High Performance Computing (266), followed by India
(41), and then United Kingdom (35).
2026 has seen the creation of 36 High Performance Computing companies. On average, the last 10 years have seen 29 new companies launched every year. Most number of High Performance Computing startups have been founded by alumni from Massachusetts Institute of Technology, Harvard University and Stanford University.
Here is a List of top companies in High Performance Computing
1. Altair
Provider of enterprise software for simulation, data analytics, AI, and HPC. Delivers cloud-accessible platforms that converge modeling, simulation, high-performance computing, and analytics to support digital engineering and product development. Offers a unified cloud gateway for accessing design tools, AI workflows, and scalable compute resources. Includes dedicated platforms for low- and no-code data analytics, AI model development, and AI-assisted design and simulation across industries.
Key facts about Altair
- Founded Year: 1985
- Location: Troy (United States)
- Stage: Acquired
- Total Funding till date: $35.1M
- Investors: General Atlantic, Europa and 3 Others
- Latest Funding Round: Post IPO, Jul 11, 2023, $*****
- Tracxn Score: 81/100 What is this?
- Competitors Rank: 3 of 2,733 Competitors
2. CoreWeave
Provider of cloud computing services for artificial intelligence workloads. It combines next-generation infrastructure, intelligent tools, and expert support to power the world’s most complex AI workloads. It provides a platform with tools for AI model training, inference, and development. The company delivers managed Kubernetes and Slurm on Kubernetes.
Key facts about CoreWeave
- Founded Year: 2017
- Location: Livingston (United States)
- Stage: Public
- Total Funding till date: $2.38B
- Investors: Magnetar, Fidelity Investments and 43 Others
- Latest Funding Round: Post IPO, Apr 15, 2026, $*****
- Tracxn Score: 81/100 What is this?
- Competitors Rank: 2 of 1,468 Competitors
Provider of edge-to-cloud solutions, products, and services for enterprise organizations. The company offers hybrid cloud, networking, security, data management, and artificial intelligence solutions. Its product portfolio includes supercomputing, compute, storage, and software. The company provides services from planning to operations, helping organizations accelerate transformation and maximize investments.
Key facts about Hewlett Packard Enterprise
- Founded Year: 2015
- Location: Houston (United States)
- Stage: Public
- Investors: Europa, OSTI and 4 Others
- Latest Funding Round: Grant (prize money), Sep 04, 2025, $*****
- Tracxn Score: 75/100 What is this?
- Competitors Rank: 4 of 442 Competitors
4. Lightmatter
Developer of photonic interconnects and co-packaged optics for AI infrastructure. The company’s technology addresses data center bottlenecks by connecting XPUs and switches. It offers solutions with lane speeds from 56G NRZ to 448G PAM4, bidirectional or unidirectional, and up to 16 wavelengths. The company also promotes open standards to drive adoption of advanced optical interconnect technologies.
Key facts about Lightmatter
- Founded Year: 2017
- Location: Boston (United States)
- Stage: Series D
- Total Funding till date: $850M
- Investors: SIP Global Partners, Google Ventures and 16 Others
- Latest Funding Round: Series D, Oct 11, 2024, $*****
- Tracxn Score: 72/100 What is this?
- Competitors Rank: 3 of 55 Competitors
5. Rescale
Provider of high performance computing platform for engineering and science. The platform offers solutions for simulation, data management, and workflow automation. It serves industries including aerospace, automotive, energy, and life sciences. The platform also provides resources for IT, engineering, and executive roles, with use cases in AI/ML, digital twin technology, and cloud solutions.
Key facts about Rescale
- Founded Year: 2011
- Location: San Francisco (United States)
- Stage: Series D
- Total Funding till date: $369M
- Investors: Republic Capital, Samsung Catalyst Fund and 71 Others
- Latest Funding Round: Series D, Apr 07, 2025, $*****
- Tracxn Score: 72/100 What is this?
- Competitors Rank: 3 of 603 Competitors
