Designs and sells DIY, wireless home security systems (sensors, cameras, monitoring) sold direct-to-consumer; owned by GTCR since a 2025 buyout from Hellman & Friedman.

Designs and manufactures audio equipment -- speakers, headphones, home theater, and automotive/aviation sound systems; majority equity held by MIT via a non-voting trust donated by founder Amar Bose in 2011.

Vulcan Elements — U.S. manufacturer of high-performance rare-earth (NdFeB) magnets. Founded 2023 by John Maslin (CEO) and Piotr Kulik (CTO); Durham, NC. $65M Series A (Altimeter Capital, One Investment Management, 1789 Capital); plus a $620M DoD Office of Strategic Capital loan and $50M Commerce equity (2025).