ALGN vs APT

Align Technology Inc.

Align Technology, Inc., a medical device company, designs, manufactures, and markets Invisalign clear aligners and iTero intraoral scanners and services for orthodontists and general practitioner dentists, and restorative and aesthetic dentistry. It operates in two segments, Clear Aligner; and Scanners and Services. The Clear Aligner segment consists of comprehensive products, including Invisalign comprehensive treatment that addresses the orthodontic needs of teenage patients, such as mandibular advancement, compliance indicators, and compensation for tooth eruption; and Invisalign First Phase I and Invisalign First Comprehensive Phase 2 package for younger patients generally between the ages of seven and ten years, which is a mixture of primary/baby and permanent teeth. This segment's non-comprehensive products comprise Invisalign moderate, lite and express packages, and Invisalign go; and non-case products include retention products, Invisalign training fees, and sales of ancillary products, such as cleaning material, and adjusting tools used by dental professionals during the course of treatment. The Scanners and Services segment offers iTero scanner, a single hardware platform with software options for restorative or orthodontic procedures; restorative software for general practitioner dentists, prosthodontists, periodontists, and oral surgeons; and software for orthodontists for digital records storage, orthodontic diagnosis, and for the fabrication of printed models and retainers. This segment also provides computer-aided design and computer-aided manufacturing services; ancillary products, such as disposable sleeves for the wand; iTero model and dies; third party scanners and digital scans; Invisalign outcome simulator, a chair-side and cloud-based application for the iTero scanner; Invisalign progress assessment tool; and TimeLapse technology, which allows doctors or practitioners to compare a patient's historic 3D scans to the present-day scan. The company sells its products in the United States, Switzerland, China, and internationally. Align Technology, Inc. was incorporated in 1997 and is headquartered in Tempe, Arizona.

Alpha Pro Tech Ltd.

Alpha Pro Tech, Ltd., together with its subsidiaries, develops, manufactures, and markets a range of disposable protective apparel, infection control, and building supply products in the United States and internationally. The company operates through two segments, Disposable Protective Apparel and Building Supply. The Disposable Protective Apparel segment provides shoe covers, bouffant caps, coveralls, frocks, lab coats, and gowns, hoods, as well as face masks and shields. The Building Supply segment offers construction weatherization products, such as housewrap, synthetic roof underlayment, and other woven materials. The company markets its products under the Alpha Pro Tech brand name, as well as under private labels. Its products are used primarily in cleanrooms; industrial safety manufacturing environments; health care facilities, such as hospitals, laboratories, and dental offices; building and re-roofing sites; and pharmaceutical markets. The company distributes its products through a network of purchasing groups, distributors, and independent sales representatives, as well as through its sales and marketing force. Alpha Pro Tech, Ltd. was founded in 1983 and is headquartered in Markham, Canada.