Defense Tech Startups

Sidus Space is a space and defense technology company that builds LizzieSat satellites, edge-computing and avionics hardware, and AI-driven software (Orlaith, FeatherEdge, Cielo) for turning satellite and sensor data into near real-time intelligence. It serves government, defense, intelligence, and commercial customers, offering satellite manufacturing, mission operations, and 24/7 payload support across NASA, DoD, and commercial programs.

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SIXGEN is a Non-Traditional Defense Contractor that provides cybersecurity solutions for government agencies, critical infrastructure organizations, and enterprises to identify vulnerabilities and defend against advanced cyber threats. Its offerings include operational infrastructure, command-and-control platforms, and multi-domain cyber mission delivery.

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Steel Partners Holdings L.P. is a diversified holding company that provides investor information to its unitholders, including Schedule K-1 tax documents and Forms 8937 related to organizational actions affecting securities basis. The page covers investor tax information and past acquisition transactions involving Steel Excel and Handy & Harman.

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Swarm Defense Technologies designs drones, software, and ground systems for coordinated drone swarm operations, allowing a single operator to control thousands of aircraft. Its products include the Swarm Threat Emulator (STE) for training counter-UAS teams and a software ecosystem (Swarm Studio, STE, Strike Deck) for mission planning, training, and live operations in defense applications.

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SynMax provides geospatial intelligence for the maritime and energy sectors, combining satellite imagery, machine learning, and analytics to verify claims and monitor activity such as frac operations and vessel movements. Its products include Hyperion for U.S. frac activity monitoring and Theia for AI-powered maritime vessel and "dark ship" detection, serving customers in energy, maritime, defense, and finance.

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Tangram Flex provides an assured integration pipeline for defense systems, turning sources of truth (MBSE models, ICDs, requirements) into verifiable behavioral specifications using its open Flex language and Tangram Pro tool suite. Its products and services help defense programs, integrators, and vendors verify component integration, prove standards compliance (FACE, SOSA, UCI, GRA, WOSA, UAI), and translate protocols at the tactical edge.

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TechPrecision Corporation is a holding company whose subsidiaries Ranor and Stadco provide large-scale fabrication, machining, assembly, and testing of complex precision components. It primarily serves US defense customers, focusing on US Navy submarine programs and flight- and space-launch-critical parts.

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Tek84 designs and manufactures low-dose X-ray body scanners that detect metallic and non-metallic contraband such as weapons, narcotics, cell phones, and explosives concealed on or within the body. Its scanners serve correctional facilities, government agencies, airports, military organizations, and other critical infrastructure operators, all engineered and built in the United States.

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Tocaro Blue develops machine learning software for maritime perception, including ApolloCore for processing marine EO/IR PTZ cameras and ProteusCore for radar processing, providing detection, tracking, classification, and sensor fusion. Its situational awareness tools serve the marine industry, from cruisers, fishing boats, and workboats to tactical craft and uncrewed surface vessels (USVs).

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Torch Technologies is an employee-owned company providing research, development, and engineering services to the U.S. Federal Government and Department of Defense. Its work spans software development, test and evaluation, lifecycle sustainment, systems engineering, and advanced sensor technologies for defense applications.

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Ubiety builds AI-powered "presence intelligence" technology that passively detects and analyzes wireless RF signals to identify presence, behavioral patterns, and coordinated activity. Its platform, SignalWise, provides situational awareness for public safety, critical infrastructure, and national security organizations, integrating with existing security and surveillance systems.

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United States Antimony Corporation (NYSE: UAMY) is a vertically integrated natural resource company that mines, mills, smelts, and sells antimony products such as antimony oxide, sodium antimonate, and antimony metal, along with zeolite through its Bear River Zeolite subsidiary. It operates the only significant antimony smelter in the United States, with facilities in Montana and Mexico, and works to build a domestic antimony supply chain.

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Veracity is a strategic intelligence and advisory firm that helps executives and investors navigate political risk, protect their reputations, and operate in challenging markets. It specializes in critical minerals, energy security, and advanced technologies.

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VerdeGo Aero develops and manufactures hybrid-electric powerplant and propulsion systems that combine conventional fuels with electrified propulsion for electric aircraft and large drones. Its systems target both commercial and military aviation, powering aircraft such as eVTOL air taxis, HSVTOL military aircraft, and cargo and reconnaissance drones.

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WaveAerospace designs and builds unmanned aerial vehicles (UAVs) engineered for all-weather and high-wind operation, including multi-copter and VTOL platforms. Its aircraft serve law enforcement, emergency management, and defense missions such as ISR, search and rescue, and contested logistics.

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Xiid builds Terniion, a Zero Trust network security platform using a process-to-process communications plane to eliminate exposed inbound connections across cloud, OT, AI, and enterprise environments. It serves enterprise and defense/public-sector customers, having achieved DoD Authority to Operate and U.S. Air Force Research Laboratory validation.

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