El Segundo

Scales nuclear energy for industrial power and clean hydrocarbon fuel via high-temperature gas reactors.

Biotech making affordable corrective eye-care products for physicians.

Defense aviation company building high-Mach military aircraft, holding a $219M DIU contract.

Integrates disconnected building management systems to coordinate maintenance, vendors, and facility operations.

Develops and operates AI-ready, build-to-suit, high-density data centers across North America and EMEA.

Smack Technologies is a frontier AI lab for national security that delivers decision dominance through proprietary, domain-specific models grounded in the physics of war and expert human priors.

Neros manufactures small unmanned aerial systems for Western militaries; founded to bring drone production critical to a modern arsenal back onshore. Its ARCHER first-person-view drone carries modular

Skyryse is building a universal operating system for flight, SkyOS, to simplify cockpits and standardize aircraft controls, making flight easier and safer.

Arbor Energy is a El Segundo; California-based clean energy company founded by Brad Hartwig.

CX2 Focused on achieving spectrum control for electromagnetic warfare for the U.S. and its allies.

Rainmaker Technology develops drone-based cloud seeding to increase rainfall and snowpack. It combines radar; unmanned aircraft and a weather awareness platform to serve farms; watersheds and ecosyste

FluidLogic designs and manufactures active hydration systems and accessories to promote healthier living.

Peer Street Funding; LLC is a El Segundo; California-based company founded in 2013.

Designed for auditors by auditors; AuditBoard is the leading cloud-based platform transforming how enterprises automate; collaborate; and report on risk

Formerly JustFab; TechStyle is a membership fashion commerce company.

NanoH2O made reverse osmosis membranes for seawater desalination using thin-film nanocomposite technology; delivering higher water flux at lower energy than conventional membranes. LG Chem acquired th

We provide efficient in-space mobility that moves payloads from low Earth orbit to any destination. Our vehicles deliver rapid, reliable access, reducing costs and timelines to make space operations feasible for commercial, government, and scientific missions.

This SEC filing entity shares Castelion's Torrance, CA address; founded in 2022 by three former SpaceX executives, it raised a $1 billion Series C led by Carlyle, JPMorgan Chase and Andreessen Horowitz.

The El Segundo aerospace-parts manufacturer, known as Amca, launched with $76.5 million in initial funding from Caffeinated Capital.

Lightship is a clinical trial site network that expands participant choice through in-clinic, hybrid, virtual, and mobile research models.

Advanced material solutions—from AI-driven design to agile U.S. manufacturing—for defense, aerospace, & high-performance applications

Part of the NantWorks ecosystem of biotech and health companies founded by billionaire physician-entrepreneur Patrick Soon-Shiong, who also owns the Los Angeles Times and invented the cancer drug Abraxane.

Legal name of Flip, the TikTok-style social shopping app headquartered in El Segundo, CA; the company raised $144M and reached a $1B valuation before shutting down in August 2025.

HiveWatch provides a platform that unifies physical security systems into one AI-powered command center to help security teams prioritize incidents and automate responses.

ABL Space Systems is a company based in El Segundo, California, focused on launch vehicle and launch systems technology development.

Matter Intelligence is pioneering a new ultraspectral vision ecosystem that sees molecular chemistry, unlocking superintelligent vision for the physical world.

Elevating senior healthcare together. Discover comprehensive primary care, preventive care, behavioral health and more. Partner with us for a healthier future.

Mapped turns any building's systems, sensors, and devices into a structured, real-time world model — the data foundation AI agents and applications need to understand and act on the physical world.

Coast Energy partners with commercial property owners to convert underutilized spaces into revenue-generating energy assets. Zero capex solar, storage & microgrid solutions that increase NOI and future-proof your portfolio.

Sift is the unified observability platform for mission-critical hardware—ingest, store, and analyze telemetry at scale across aerospace, defense, and robotics.

The integrated platform for the electromagnetic spectrum. One platform for RF design, production, and network operations.

Multi-touch attribution and media mix modeling for profitable growth, powered by industry-leading machine learning models. Discover how Northbeam can transform your marketing.

Picogrid delivers integrated systems for modern missions, connecting sensors, platforms, and operators across land, sea, air, and space.

Vebu is a company pioneering food automation.

General Galactic builds advanced spacecraft for sustained maneuver and more time on-mission across the space domain

Pixxel is a space data company and spacecraft manufacturer redefining Earth observation through high-resolution hyperspectral imaging and advanced analytics.

Discover Balboa Geolocation's cutting-edge geolocation solutions for defense and commercial markets, ensuring accuracy in challenging environments.

Founded in 2016 by CEO Matt Lashey, who created the chemoWave cancer-treatment tracking app; investors include Plug and Play Tech Center.

Incentify is the platform for discovering and managing tax credits and incentives across 1,200+ federal, state, and zone programs with AI-powered eligibility matching and automated compliance tracking.

The LA protein-nutrition company is backed by Keurig Dr Pepper and Madison Square Garden Sports, and rebranded its protein soda line as SkyPop.

The leading laser facial destination for all skin tones, offering solutions for skin concerns including acne, melasma and rosacea and dermatologist-approved skincare products.

MedVector connects healthcare providers with clinical trials by protecting the patient/doctor relationship, compensating for additional workload, aiding in patient identification, and enhancing patient care through advanced medicine.

MoveJoy, Inc. provides an AI receptionist service for movers that quotes, books, and closes jobs.

At Higala, we are committed to making digital financial infrastructures resilient, modern, and inclusive for financial institutions, businesses, and individuals everywhere.

NMBLR helps enterprises build, own, and scale AI across their organization. Get the foundation, capabilities, and systems to drive real outcomes with AI.

Berri creates organic, plant-based electrolyte drinks designed for clean hydration and active living. No artificial ingredients—just powerful, natural performance.

Golf training studios with expert coaching, tour-level tech, fitness training, and custom club fitting. Locations in AZ, CA, and TX.

Arena Renewables, co-founded in 2023 by CEO Matthew Kozey along with Geoff Johnson and Patrick Grumley, was acquired by Headwater Energy in 2026 along with its roughly 1 GW distributed solar and storage pipeline.

Discover the benefits of renewable energy by creating a community solar site for a sustainable future.

Integrity is a company that uses AI-powered technology, data, and human touch to deliver insurance, financial, and investment advisory services.