Cloud Computing Startups

QumulusAI provides GPU and bare metal cluster infrastructure for enterprise AI workloads, offering shared, dedicated, and fully isolated compute resources with transparent pricing and control. The company serves enterprise AI teams deploying large language models, fine-tuning, and inference at scale across finance, healthcare, biotech, and logistics industries.

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Riot Platforms is a Bitcoin mining and digital infrastructure company with vertically integrated operations spanning mining operations, engineering, and large-scale data center development.

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RtBrick provides carrier-grade routing software that runs on white-box hardware, letting telecom operators build disaggregated IP networks including broadband network gateways (BNG). It serves network operators and service providers using software-defined networking to separate hardware from network software.

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SDVI builds Rally, a cloud-based media supply chain management platform that automates and orchestrates content processing, delivery, and cost tracking for media and entertainment organizations. It serves broadcasters and major media companies looking to move file-based and cloud-native media workflows away from fixed infrastructure.

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Sea Street develops EdgeSentinel, a network security service that combines threat intelligence with firewall capabilities for network service providers to deliver scalable security at affordable prices. The company targets telecom and internet service providers seeking to offer security services at scale.

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Secnap provides managed detection and response (MXDR) through its CloudJacket platform, combining managed EDR, ITDR, SIEM, and cloud security with 24/7 human-led monitoring from a U.S.-based security operations center. It also offers security assessments, dark web monitoring, compliance and risk management, and strategic security consulting, targeted at growing businesses.

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SecureCo builds secure communications and cybersecurity software, with work spanning software architecture, cryptography, and system deployment. The company serves clients across industries including defense and finance.

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Single Digits provides Wi-Fi and network connectivity solutions for hotels and hospitality venues through its Connected Life Platform, which offers device authentication, network management, and business analytics. The company operates over 60 locations nationwide with certified technicians providing installation, maintenance, and 24/7 managed services.

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SmartVault provides document management, a client portal, and secure file sharing built for accounting firms to onboard clients, collect documents, prepare and deliver tax returns, and archive files. It is SOC 2 Type 2 compliant and integrates with tax and accounting software such as Lacerte, ProConnect, ProSeries, UltraTax CS, and Drake.

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Smith Micro develops software for mobile carriers and wireless service providers, including family digital safety tools and cloud-based visual voicemail messaging. Its products serve telecom operators and their consumer subscribers in the mobile industry.

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SoftNAS by Buurst is an enterprise cloud NAS storage product that moves and manages data across AWS, Azure, and Oracle cloud platforms, including multi-cloud environments. It serves enterprises in sectors such as media and entertainment, energy, financial services, retail, and healthcare.

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Sphere3D develops and operates scalable power and data center assets across North America for high-performance computing, AI workloads, and digital asset infrastructure. It positions its compute capacity as a dispatchable, interruptible load that integrates with energy producers, and earns revenue from proprietary compute operations and third-party hosting contracts for enterprise clients.

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Spyderbat provides threat detection, investigation, and response for cloud, Kubernetes, and Linux environments, using eBPF to record system behavior for continuous visibility, automated investigation, and real-time protection. The company targets security teams and was acquired by AGT Networks in 2025.

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Talkroute is a virtual phone system for businesses that lets teams make and receive calls, send SMS/MMS texts, host video meetings, and manage voicemail from desktop, web, or mobile apps without dedicated hardware. It also offers add-ons such as an AI Receptionist that answers calls and website chats, books appointments, and takes messages.

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Tango Networks provides enterprise-class mobile communications services aimed at supporting distributed workforces. The company operates in the enterprise mobile communications and telecom software category.

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TelcoDR is an investment and advisory firm focused on moving the telecom industry to the public cloud, building AI-first telco software (including a $100M investment in Totogi), acquiring telco enterprise software companies to refactor their products for the public cloud, and advising operators on cloud adoption. It serves telecom operators and telco software companies.

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TeraFiber builds terabit-certified citywide fiber optic networks with carrier-grade infrastructure, offering dedicated strands and access points every 100 feet in regional clusters across California. The company provides fiber connectivity infrastructure to help cities deploy networks and get to market faster.

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TeraWulf owns and operates energy infrastructure across U.S. power markets to provide large-scale computing capacity for AI and high-performance workloads. The company develops data center infrastructure integrated with secured power assets and grid connectivity to address the computational capacity constraints created by limited energy access.

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Till is a messaging platform that lets developers send SMS and voice interactions—such as surveys, schedule confirmations, and product negotiations—through an API. It uses a "render"-based pricing model, charging for outbound messages while inbound responses are free.

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TownCloud builds subscription-based software applications for local government, offering purpose-built products that customers can trial before purchase along with rapid implementation. Its tools aim to simplify and modernize local government workflows.

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TPT Global Tech is a technology and telecommunications media hub offering telecom services (4G-5G GSM distribution over fiber and wireless networks, MVNO distribution), cloud services (SaaS, PaaS, UCaaS), media content production, and medical technology products such as rapid COVID-19 testing units. It serves U.S. and international businesses across telecom, media, cloud, and medtech divisions.

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tZERO is a blockchain infrastructure and broker-dealer firm that provides regulated tokenization solutions for digital securities, enabling broker-dealers and institutions to issue, trade, and settle tokenized U.S. equities and other assets on blockchain networks.

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Ubiterra develops ZoneVu, a cloud-native subsurface data platform that integrates seismic, drilling, and completions data in a single system for oil and gas operators. The platform enables real-time team collaboration and decision-making across geology, drilling, and completions workflows.

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Uplevel Systems offers a cloud-managed IT platform for managed service providers to deliver network, security, identity, storage, and remote access to their small-business clients. Its integrated products include a firewall, network-attached storage with backup, Active Directory services, managed VPN, Wi-Fi access points, and network switches.

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