Oklo acquires ARMEC, an Oak Ridge precision manufacturer for nuclear work

Oklo acquired ARMEC, a precision machining and engineering firm based in Oak Ridge, Tennessee, and the deal closed on June 4, 2026. ARMEC serves the nuclear industry with machining, fabrication, inspection and mechanical engineering, and it adds in-house manufacturing for Oklo's reactor and fuel programs. The release did not state the purchase price.

• Closed June 4, 2026; based in Oak Ridge, Tennessee
• About 40 engineers, fabricators, machinists, welders and technical staff
• Founded in 2002; the company says it generated positive free cash flow in its latest fiscal year