Stephan Behr

QSIL SE manufactures and sells quartz glass products. The firm’s products and solutions include cylinders, tubes, rods and profiles, flat and oval tubes, twin an septum tubes, capillaries, fabricated quartzware, process tubes and SOL-GEL-products. The company was founded in 1992 and is headquartered in Langewiesen, Germany.

Part of Bistum Limburg, St. Hildegard-Schulgesellschaft mbH is a state-recognized, Catholic high school and vocational school. The company is based in Limburg an der Lahn, Germany. The German company has achieved great success, with students from the Marienschule winning several awards at the statewide chemistry competition "Chemie, mach mit!" and over 30 students from the "Basics in Business" courses visiting the company MOBA Mobile Automation AG. The company also celebrated the achievements of its students in the second round of the Math Olympiad 2022/23. The CEO of the company is Stephan Behr.

IBYKUS AG für Informationstechnologie provides information technology services to companies and government authorities. It specializes in system applications products and software solutions, as well as information safety management. The company was founded by Lutz Richter and Stephan Behr in 1990 and is headquartered in Erfurt, Germany.

QSIL GmbH Quarzschmelze Ilmenau engages in the manufacture of fused quartz products. It also specializes in the fusion of heavy wall cylinders, small and large diameter tubes, and the fabrication of customized products. Its products include cylinders, tubes, flat and oval tubes, rods and profiles, capillaries, fabricated quartzware, process tubing, and laboratory ware. The company was founded in 1992 and is headquartered in Langewiesen, Germany.