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Apollo Atomics, Inc. competitors & alternatives
The 12 closest competitors and alternatives to Apollo Atomics, Inc. among deep tech companies — ranked by similarity to what Apollo Atomics, Inc. actually does, not by market-cap band.
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About Apollo Atomics, Inc.
Apollo Atomics is a privately held nuclear company founded in 2025 and headquartered in Cambridge, Massachusetts. The company specializes in delivering high-power nuclear reactor solutions backed by expertise in reactor design and operations.
Apollo Atomics, Inc. at a glance
Apollo Atomics, Inc. is a deep tech company headquartered in United States. Its most recent funding round, Seed, raised $31M in August 2026. Xcout tracks 2 named people at Apollo Atomics, Inc., including Assil Halimi (Co-Founder and CEO).
Apollo Atomics, Inc. leadership
- Assil HalimiCo-Founder and CEO
- Drew WalkerCo-Founder and COO
Apollo Atomics, Inc. funding rounds
Every round on record:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | $31M | 12 named |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Recent Apollo Atomics, Inc. news
Top 12 Apollo Atomics, Inc. competitors
Ranked by semantic similarity — how close each company is to Apollo Atomics, Inc. by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Nuclear Fusion Technology
Cambridge Heavy Industries Inc. has developed a modular, benchtop-scale inertial confinement fusion system designed for tritium production to supply fuel for fusion reactors. The company serves the nuclear fusion sector by addressing the strained global supply chain of tritium.
Similar deep tech company
Astral Systems, operating as Astral Neutronics Ltd, is a Bristol, UK-based fusion technology company founded in 2021 that develops compact Multi-State Fusion (MSF) reactors for medical isotopes and energy applications.
Nuclear Technology
SHINE Technologies develops fusion technology for multiple commercial applications, including producing medical isotopes like Molybdenum-99 and Lutetium-177, recycling nuclear waste, providing neutron testing for critical components, and advancing research toward clean fusion energy generation. The company serves medical, industrial, aerospace, defense, and energy sectors.
Fusion Technology
Avalanche Energy Designs, Inc. is a venture-backed clean energy startup developing compact electrostatic fusion machines for portable and scalable fusion power. The company is headquartered in Seattle, Washington, USA.
Clean Technology
Kebotix is a technology company founded in 2017 and headquartered in Cambridge, Massachusetts. The firm is dedicated to tackling major scientific challenges by leveraging advanced digital tools and artificial intelligence to revolutionize research and development in materials science.
Nuclear
Valar Atomic is a synthetic fuel and nuclear technology development company focused on alternative energy pathways, including synthetic fuel production and nuclear reactor components.
Environmental Technologies
General Galactic develops advanced spacecraft, propulsion technology, nuclear systems, and propellant generation solutions for rapid logistics and operations across Earth orbit, cislunar space, and Mars. The company serves commercial and government customers by providing cost-effective transportation and mission platforms for the space industry.
Regulated Electric
Terrestrial Energy is a U.S. nuclear technology company working on Generation IV nuclear technology. The nuclear plant is designed to produce cost-competitive, high-temperature thermal energy with zero emissions.
Environmental Solutions
Carbonium Core is a U.S.-based advanced materials company headquartered in Tampa, Florida. It specializes in the production of ultra-pure, nuclear-grade graphite, which is intended for use in 4th-generation nuclear reactors.
Ocean Sensing
Apeiron Labs, Inc. is a technology company headquartered in Cambridge, Massachusetts, operating out of Green Street. The firm develops specialized software and technical solutions while maintaining a local employee base and corporate profile.
Water
Cambrian Innovation Inc. is an environmental technology company founded in 2006 with headquarters located in Watertown, Massachusetts. The company specializes in water and wastewater management solutions.
Bio Tools
Drosera Bio is a privately held biotechnology company based in Cambridge, Massachusetts, that develops automation-native tools and material solutions to improve the efficiency and cost-effectiveness of bioprocesses.
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