What is Phoenix?
Headquartered in Monona, Wisconsin, Phoenix—formerly known as Phoenix Nuclear Labs—has established itself as a leader in the development of nuclear and particle accelerator technologies. Since its inception in 2005, the company has cultivated a robust portfolio of intellectual property, specifically in the realm of high-flux neutron generation. Its market position is defined by its deep integration with U.S. federal agencies, including the Department of Defense and the Department of Energy, where it provides essential engineering support for national security and energy infrastructure. By bridging the gap between theoretical nuclear physics and practical, scalable hardware, Phoenix serves as a vital link in the supply chain for advanced medical diagnostics and defense-related research.
How much funding has Phoenix raised?
Phoenix has raised a total of $5M across 2 funding rounds:
Other Financing Round
$4M
Debt
$1M
Other Financing Round (2019): $4M with participation from U.S. Army Corps of Engineers
Debt (2020): $1M led by PPP
Key Investors in Phoenix
U.S. Army Corps of Engineers
A federal agency under the Department of Defense that integrates military and civilian engineering expertise to manage critical infrastructure, environmental restoration, and strategic defense projects.
PPP
Public-Private Partnership
What's next for Phoenix?
Looking ahead, the strategic deployment of the $1M capital will likely focus on scaling production capacity and refining the next generation of particle accelerator systems. As the company continues to fulfill contracts for the U.S. Army and other defense entities, the focus will shift toward enhancing the reliability and efficiency of its neutron sources for broader commercial adoption. The firm is expected to prioritize R&D initiatives that expand its footprint in the medical isotope production market, a sector where high-flux neutron generators are increasingly critical. By maintaining its rigorous engineering standards and deepening its collaborative ties with government research bodies, Phoenix is poised to sustain its growth trajectory within the high-barrier-to-entry nuclear technology sector.
See full Phoenix company page