Public nuclear firms buy suppliers to secure U.S. chains

Three publicly traded nuclear companies — BWX Technologies, Nano Nuclear Energy and Oklo — completed recent acquisitions of private U.S. suppliers to expand domestic manufacturing and regulated logistics for reactor and fuel programs.

BWX Technologies (BWXT) announced a definitive agreement to acquire Precision Components Group. The purchase adds more than 500,000 square feet of U.S. capacity for complex, heavy-walled and heat-transfer components. Precision Components Group reported about $125 million in revenue in 2025.

Nano Nuclear Energy acquired Secured Transportation Services to bring licensed handling and transport of nuclear fuel and materials in-house. The acquisition adds regulated logistics capacity for moving sensitive cargo used in microreactor projects.

Oklo recently disclosed it purchased ARMEC, a precision manufacturing and mechanical engineering firm with more than 20 years of operating experience and positive free cash flow. Oklo expects the acquisition to shorten the cycle between design and production for its advanced reactor and fuel fabrication efforts.

Industry participants cited a need for reliable domestic capacity for specialized machining, heat-transfer fabrications and licensed transport services that are tightly regulated and difficult to scale quickly through third-party vendors.

Each target contributes specific technical capabilities: PCG’s large-format, heavy-walled fabrication supports pressure-boundary and heat-exchanger components; STS provides licensed transport and handling services for nuclear materials; ARMEC offers high-precision machining and prototyping to reduce lead times between engineering and manufacturing.

Investors can gain exposure to companies across the nuclear supply chain through the Range Nuclear Renaissance ETF (NUKZ). The ETF’s index is provided by VettaFi LLC, which receives an index licensing fee; VettaFi does not issue, sponsor or manage the ETF.