Technology companies disestablished in 2016

AgustaWestland was an Anglo-Italian helicopter design and manufacturing company, which was a wholly owned subsidiary of Finmeccanica (now known as Leonardo). It was formed in July 2000 as an Anglo-Italian multinational company, when Finmeccanica and GKN merged their respective helicopter subsidiaries (Agusta and Westland Helicopters) to form AgustaWestland, with each holding a 50% share. Finmeccanica acquired GKN's stake in AgustaWestland in 2004.

OCZ was a brand of Toshiba that was used for some of its solid-state drives (SSDs) before they were rebranded with Toshiba. OCZ Storage Solutions was a manufacturer of SSDs based in San Jose, California, USA and was the new company formed after the sale of OCZ Technology Groups SSD assets to Toshiba Corporation. Since entering the memory market as OCZ Technology in 2002, the company has targeted its products primarily at the computer hardware enthusiast market, producing performance DDR SDRAM, video cards, USB drives, power supply units, and various cooling products.

Steorn Ltd () was a small, private technology development company based in Dublin, Ireland. In August 2006, it announced that it had developed a technology to provide "free, clean, and constant energy" via an apparent perpetual motion machine, something which is contrary to the law of conservation of energy, a fundamental principle of physics.