Mitsumi, makers of my very first CD burner drive. Thinking back, it might have been the same plastic on the faceplate
According to the wiki article, they're still making Nintendo's controllers to this day!
http://en.wikipedia.org/wiki/Mitsumi
Nintendo Entertainment System/Famicom controller
Super Nintendo Entertainment System/Super Famicom controller
Nintendo GameCube controller (Certain revisions only) and the WaveBird wireless controller
Wii Remote and Wii Nunchuk (Certain revisions only)
PlayStation standard and DualShock controllers (Certain revisions only)
PlayStation 2 DualShock 2 controller (Certain revisions only)
Xbox original 'Duke' Controller and early 'Controller S' models