Telecommunication Systems Division (TSD) is part of Toshiba America Information Systems Inc. (TAIS). Headquartered in Irvine, CA, TAIS is comprised of four business units: Digital Products Division, Imaging Systems Division, Storage Device Division, and Telecommunication Systems Division.

• Computer Displays & Projectors
• Computer Networking Equipment
• Computer Peripherals
• Personal Storage Drives & Media
• Printing & Imaging Equipment
• Satellite & Broadcast Network Equipment
• Magnetic Disk Storage
• Mass Storage Systems
• Optical Disk & Magnetic Tape Storage
• Personal Computers
• Security & Monitoring Equipment
• Security Products
• Enterprise Telecommunications Equipment
• Telecommunications Equipment
• Computer Products Distribution & Support