Align Technology, Inc. designs, manufactures and markets a system of clear aligner therapy, intra-oral scanners and CAD & CAM digital services used in dentistry, orthodontics, and dental records storage. It operates through the following segments: Clear Aligner and Scanners & Services. The Clear Aligner segment consists of Invisalign System, which includes invisalign full, express & lite, teen, assist, vivera retainers, along with training and ancillary products for treating malocclusion. The Scanners & Services segment consists of intra-oral scanning systems and additional services available with the intra-oral scanners that provide digital alternatives to the traditional cast models. This segment includes iTero scanner and OrthoCAD services. The company was founded by Zia Chishti and Kelsey Wirth in March 1997 and is headquartered in San Jose, CA.