1. Audio Techniques Inc 5169 Douglas Fir Rd, Calabasas, CA 91302 Coordinate: 34.15814,-118.64875 Phone: (818) 223-8010
2. DTS Inc 5220 Las Virgenes Rd, Calabasas, CA 91302 Coordinate: 34.15097,-118.69679 Phone: (818) 436-1000