Were both Sega and Bally Astrocade part of the video game industry?
Sega Sega Games Co., Ltd. (Japanese: 株式会社セガゲームス , Hepburn: Kabushiki gaisha Sega gēmusu ) , originally short for Service Games and officially styled as SEGA, is a Japanese multinational video game developer and publisher headquartered in Tokyo, Japan, with offices around the world. Sega developed and manufactured numerous home video game consoles from 1983 to 2001, but after financial losses incurred from its Dreamcast console, the company restructured to focus on providing software as a third-party developer. Sega remains the world's most prolific arcade producer, with over 500 games in over 70 franchises on more than 20 different arcade system boards since 1981.
Cave (company) CAVE Interactive CO., LTD. (Japanese: 株式会社ケイブ , Hepburn: Kabushiki Gaisha Keibu ) , or CAVE for short, is a Japanese video game company founded in 1994 by former employees of Toaplan following its bankruptcy. They are known primarily for their "bullet hell" shoot 'em ups; from 1995 up to 2010, CAVE was one of the most prolific shoot 'em up developers in the Japanese market. Alongside this, CAVE has produced a variety of other types games for arcades, home consoles, PCs, and smartphones, also dating back to 1995.