Established in 1986 and listed on the stock exchanged in 2006, Karel is a leading technology company possessing all the processes from design to production with 3,500 employees. Karel has one of the most advanced and systematic R&D and production centers in Turkey. Karel offers services under four main categories: telecommunication, defence ındustry activities, project and regional solution partnerships, and production of electronics. The company develops, designs produces and trades at national and international markets communication systems with various technologies, which include PBX and integrated communication solutions, call center and video conference as part of cloud systems. 5G, IoT, Industry 4.0, and cloud technologies are also among the significant activity and project areas of Karel. According to International Research (Gartner, MZA) reports, Karel is the biggest actor in the switchboard industry of Turkey. Exporting products and technology to more than 30 countries, Karel is among the top 3 European and 15 world PBX producers. The company offers service to more than 700 thousand enterprises in Turkey and more than 12 million users around the world. For the last two decades, Karel produces a wide range of defence industry products and solutions for the Turkish Armed Forces and other military forces. The company provides complete equipment services as well as large scale electronic card design and production. Karel is the leading regional solution partner of Turkey with the projects carried out with telecommunication operators.