the android app and IOS app to open student dormitory doors ( ISO-14443 A/B)

IAC (InterActiveCorp) is a media and internet company comprising widely known consumer brands such as Vimeo, Dotdash Meredith (People Inc.), Angi, Care.com, Search (Ask Media Group, Investopedia), and Emerging brands including Vivian Health, The Daily Beast, Daily Burn, Apalon, Mosaic Group, and NurseFly.

Jarden Corporation was an American consumer products conglomerate that owned brands across Outdoor Solutions (Coleman, K2 Sports, Marmot, Rawlings), Consumer Solutions (Crock-Pot, Mr. Coffee, Sunbeam, Oster, FoodSaver), Branded Consumables (Yankee Candle, First Alert, Diamond Match), and Process Solutions.

Fortive Corporation is a Fortune 500 diversified industrial technology conglomerate headquartered in Everett, Washington.

Danaher Corporation is a global life sciences and diagnostics conglomerate whose operating companies include Beckman Coulter, Leica Microsystems, Cepheid, SCIEX, IDT, Cytiva, Abcam, Aldevron, Beckman Coulter Diagnostics, Radiometer, and others.

Berkshire Hathaway is a multinational conglomerate holding company headquartered in Omaha, Nebraska.

Loews Corporation is a diversified holding company with subsidiaries operating in commercial property and casualty insurance (CNA Financial), natural gas pipelines (Boardwalk Pipelines), packaging products (Altium Packaging), and hotels (Loews Hotels).

Graham Holdings is a diversified holding company with operations in education, broadcasting, manufacturing, healthcare, automotive, and hospitality.