1&1 Drillisch 

1&1 Drillisch AG, together with its subsidiaries, operates as a telecommunications provider in Germany. The company operates through Access and 5G segments. It provides its customers with a portfolio of services and products from the fields of broadband and wireless services. The company's wireless access and landline products include related applications, such as home networks, online storage, telephony, and video on demand or IPTV. It also offers wireless network services using the network of Telefónica; and 5G mobile network services, as well as develops software solutions. The company operates under the brand names of 1&1, yourfone, smartmobil.de, winSIM, PremiumSIM, simply, maxim, DeutschlandSIM, sim.de, eteleon, discoTEL, M2M-Mobil, handyvertrag.de, free:prepaid, and Galaxy EXPERTE brands. It serves approximately 10.5 million mobile and 4.3 million broadband customers. 1&1 Drillisch AG was founded in 1988 and is headquartered in Maintal, Germany.