Proteus Space
Seed Round in 2025
Proteus Space specializes in automating satellite design processes, enabling rapid deployment of payload-tailored satellites. Led by a team of experienced professionals from the space and advanced technology sectors, they offer comprehensive small satellite systems integration services. The company's expertise spans designing, inventing, sourcing, manufacturing, integrating, and operating novel capabilities for customizable mission services, primarily serving the U.S. government and its allies.
Castelion
Series A in 2025
Castelion is a defense technology company that specializes in modernizing military systems. It applies advanced hardware development and manufacturing methods to address key national security challenges, focusing on affordability, scalability, and supply chain resilience. Castelion offers services like high-speed hypersonic testing, thermal protection systems, and avionics, designed to integrate with existing platforms and enhance military capabilities while mitigating these critical concerns.
CesiumAstro
Series B in 2024
CesiumAstro, Inc. is a manufacturer of integrated communication systems designed for satellites, unmanned aerial vehicles (UAVs), launch vehicles, and other airborne platforms. Founded in 2017 and headquartered in Austin, Texas, with an additional location in Broomfield, Colorado, the company specializes in a range of products that enhance connectivity across various platforms. Notable offerings include Vireo, a multi-beam active phased array system for high-throughput satellites; CommPack, which facilitates mobile ad-hoc networking in space; and a software-defined radio tailored for low Earth orbit environments. Additionally, the company provides a single-board computer with integrated communications and security features, as well as Nightingale I, a software-defined Ka-Band active phased array antenna equipped with channelizers and power electronics. CesiumAstro's systems are designed to support diverse commercial and defense applications, allowing for advanced functionalities like beam hopping and mission-specific payload configurations.
Castelion
Seed Round in 2023
Castelion is a defense technology company that specializes in modernizing military systems. It applies advanced hardware development and manufacturing methods to address key national security challenges, focusing on affordability, scalability, and supply chain resilience. Castelion offers services like high-speed hypersonic testing, thermal protection systems, and avionics, designed to integrate with existing platforms and enhance military capabilities while mitigating these critical concerns.
Proteus Space
Seed Round in 2023
Proteus Space specializes in automating satellite design processes, enabling rapid deployment of payload-tailored satellites. Led by a team of experienced professionals from the space and advanced technology sectors, they offer comprehensive small satellite systems integration services. The company's expertise spans designing, inventing, sourcing, manufacturing, integrating, and operating novel capabilities for customizable mission services, primarily serving the U.S. government and its allies.
Castelion
Venture Round in 2023
Castelion is a defense technology company that specializes in modernizing military systems. It applies advanced hardware development and manufacturing methods to address key national security challenges, focusing on affordability, scalability, and supply chain resilience. Castelion offers services like high-speed hypersonic testing, thermal protection systems, and avionics, designed to integrate with existing platforms and enhance military capabilities while mitigating these critical concerns.
CesiumAstro
Series B in 2022
CesiumAstro, Inc. is a manufacturer of integrated communication systems designed for satellites, unmanned aerial vehicles (UAVs), launch vehicles, and other airborne platforms. Founded in 2017 and headquartered in Austin, Texas, with an additional location in Broomfield, Colorado, the company specializes in a range of products that enhance connectivity across various platforms. Notable offerings include Vireo, a multi-beam active phased array system for high-throughput satellites; CommPack, which facilitates mobile ad-hoc networking in space; and a software-defined radio tailored for low Earth orbit environments. Additionally, the company provides a single-board computer with integrated communications and security features, as well as Nightingale I, a software-defined Ka-Band active phased array antenna equipped with channelizers and power electronics. CesiumAstro's systems are designed to support diverse commercial and defense applications, allowing for advanced functionalities like beam hopping and mission-specific payload configurations.
Geosite Inc. is a technology company that specializes in the development of a cloud-based platform for managing and utilizing geospatial data, including satellite imagery, Internet of Things data, and drone mapping. Founded in 2018 and based in Palo Alto, California, Geosite's platform serves various sectors, including energy, defense, and technology. It provides users with access to high-frequency satellite data, planning and logistics tools, and distributed sensor platform integrations. By linking spatial data and analytics to business operations and incident management, Geosite enables customers, including government and military agencies, to effectively scout construction projects and assess planned versus actual outcomes. The platform functions as a comprehensive marketplace for spatial imagery, offering decision-grade intelligence that supports informed decision-making.
CesiumAstro
Series A in 2019
CesiumAstro, Inc. is a manufacturer of integrated communication systems designed for satellites, unmanned aerial vehicles (UAVs), launch vehicles, and other airborne platforms. Founded in 2017 and headquartered in Austin, Texas, with an additional location in Broomfield, Colorado, the company specializes in a range of products that enhance connectivity across various platforms. Notable offerings include Vireo, a multi-beam active phased array system for high-throughput satellites; CommPack, which facilitates mobile ad-hoc networking in space; and a software-defined radio tailored for low Earth orbit environments. Additionally, the company provides a single-board computer with integrated communications and security features, as well as Nightingale I, a software-defined Ka-Band active phased array antenna equipped with channelizers and power electronics. CesiumAstro's systems are designed to support diverse commercial and defense applications, allowing for advanced functionalities like beam hopping and mission-specific payload configurations.