Actas Inc. is a Japanese animation studio founded in 1998. It is currently a subsidiary of Bandai Namco Filmworks, which in turn is a subsidiary to Bandai Namco Holdings.

P.A. Works, Inc. is a Japanese animation studio founded on November 10, 2000, in Nanto, Toyama. The company's founder and president Kenji Horikawa once worked for Tatsunoko Production, Production I.G,