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Series B Infrastructure Companies

Explore 79 infrastructure startups that raised series b funding. Access verified founder contact information and fundraising data.

Total Companies
79
Total Funding
$257.3M
Avg Funding
$10.3M
Cities
20

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Cupertino, United States

Isovalent builds open-source networking, service mesh, security, and observability software for modern cloud-native infrastructure

Sep 2022
Series B

Founder Contacts

19,000+ verified contacts

New York, United States

Arthur is a platform that monitors, measures, and improves the performance of machine learning models.

Sep 2022
Series B

Founder Contacts

19,000+ verified contacts

Wavre, Belgium

Sortlist reinvents the way businesses find marketing and communication agencies.

Sep 2021
Series B

Founder Contacts

19,000+ verified contacts

Santa Clara, United States

Kinara develops low-power, energy-efficient, and programmable discrete neural processing units to deploy edge AI applications.

Sep 2021
Series B

Founder Contacts

19,000+ verified contacts

Sunnyvale, United States

Rafay provides an infrastructure orchestration and workflow automation platform for enterprises and cloud providers.

Aug 2021
Series B

Founder Contacts

19,000+ verified contacts

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Redwood City, United States

The company behind the Milvus open-source vector database

Aug 2022
Series B

Founder Contacts

19,000+ verified contacts

Santa Clara, United States

Primemas is a semiconductor startup specializing in developing cost-effective, high-performance hub chiplets called Hublets.

Aug 2024
Series B

Founder Contacts

19,000+ verified contacts

London, United Kingdom

Element builds secure, self-sovereign chat apps and collaboration solutions using the open Matrix protocol.

Jul 2021
Series B

Founder Contacts

19,000+ verified contacts

San Jose, United States

DreamBig Semiconductor provides Chiplet platform with SMARTNIC/DPU solutions for AI, data centers and storage acceleration.

Jul 2024
Series B

Founder Contacts

19,000+ verified contacts

New City, United States
$20.0M
raised

PointFive is an AI efficiency OS for FinOps, platform, and engineering teams that focuses on deep waste detection and auditable remediation.

Jun 2026
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Hong Kong, Hong Kong

Open source app and hardware wallet.

Jun 2025
Series B

Founder Contacts

19,000+ verified contacts

Madrid, Spain
$6.8M
raised

FOSSA Systems is a space technology company that develops satellite infrastructure and connectivity solutions.

Jun 2026
Series B

Founder Contacts

19,000+ verified contacts

New York, United States

Allium provides blockchain data infrastructure for institutions and crypto-focused organizations.

Jun 2026
Series B

Founder Contacts

19,000+ verified contacts

Singapore, Singapore

SiliconFlow develops cloud-based platforms and tools for deploying and operating large language models and multimodal AI systems.

Jun 2026
Series B

Founder Contacts

19,000+ verified contacts

Las Vegas, United States
$100.0M
raised

TensorWave is an AMD-exclusive cloud platform that leverages AMD Instinct GPUs and ROCm for high-performance AI workloads.

Jun 2026
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Belmont, United States

Lumilens creates photonics products designed for high-performance computing.

May 2025
Series B

Founder Contacts

19,000+ verified contacts

Palo Alto, United States
$18.0M
raised

DeepInfra provides machine-learning models and infrastructure designed for deep-learning applications.

May 2026
Series B

Founder Contacts

19,000+ verified contacts

Amsterdam, The Netherlands

E-Flux is a leading tech company that builds Fintech solutions for EV Charging. Road offers its Private Label and turnkey E-Flux product

May 2023
Series B

Founder Contacts

19,000+ verified contacts

London, United Kingdom

Orbital Industries is an AI-first industrial company that designs, manufactures, and ships physical products using frontier AI technology.

May 2026
Series B

Founder Contacts

19,000+ verified contacts

London, United Kingdom
$22.5M
raised

Fractile develops semiconductor hardware and AI inference systems for large language model processing.

May 2026
Series B

Founder Contacts

19,000+ verified contacts

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19,000+ verified emails
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Bellevue, United States
$55.0M
raised

MangoBoost architects next-generation AI infrastructure for the agentic AI era

Apr 2026
Series B

Founder Contacts

19,000+ verified contacts

Yokohama, Japan

LQUOM is a quantum communication company developing systems, repeaters, and technologies to realize the quantum Internet.

Apr 2026
Series B

Founder Contacts

19,000+ verified contacts

Oslo, Norway
$35.0M
raised

Unleash is an open-source feature management solution that allows development teams to enable or disable specific features.

Mar 2026
Series B

Founder Contacts

19,000+ verified contacts

Calgary, Canada

Athennian is a software firm that provides a modern legal entity and corporate secretary management cloud platform for legal teams.

Mar 2022
Series B

Founder Contacts

19,000+ verified contacts

New York, United States

AI for our most pressing crises in silicon.

Mar 2026
Series B

Founder Contacts

19,000+ verified contacts

Showing 1 to 25 of 79 companies

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