Stefan Dürr

Ekosem-Agrar AG is a holding company, with interests in the the production and processing of animal and vegetable agricultural products. Its products includes diary and diary related products, agriculture, seed production and breeding, suckler cow husbandry and organic agriculture. The firm grows grain, potatoes, peas, sunflowers, sugar beets, soybeans, fodder, and other crops. The company was founded by Stefan Dürr in 1994 and is headquartered in Walldorf, Germany.

Lomb Art AG provides displays and packaging for the watch and jewelry industry. It designs, develops and produces presentation forms. The company was founded in 1988 and is headquartered in Freienbach, Switzerland.

Ekotechnika AG is a holding company, which engages in the trading of agricultural machinery and spare parts. It operates through the following segments: New Machinery, Spare Parts, Customer Service and Smart Farming. The New Machinery segment includes tractors, self propelled forage harvesters and pulled equipment. The Spare Parts segment provides logistics systems, after sales services and spare parts storage facilities. The Customer Service segment comprises not only regular maintenance but also repairs required due to technical defects. The Smart Farming segment introduces technologies, such as N-sensors, drones, yield maps, satellites and soil scanners allow performing detailed soil analysis and adapting both the sowing and the fertilization to the specific soil type. Ekotechnika was founded by Stefan Dürr and is headquartered in Walldorf, Germany.

Ekoniva-Apk Holding LLC is a management company. It operates agricultural enterprises, oversees production and financial activities. The company was founded by Stefan Matthias Dürr on September 17, 2007 and is headquartered in Voronezh, Russia.