ADV Studios

Seraphim Digital: Based in Houston; formerly Industrial Smoke & Mirrors, and later Amusement Park Media. Founded 1995 and outlasted its parent company ADV Films. Used as the de facto in-house voice producer for Sentai Filmworks, before they built new studios in 2014.

Monster Island: Based in Austin as a former secondary branch for the above. Lasted from 1998 to 2004-2005 before being shut down due to ADV Films's internal restructuring.