Konstantinos Vassilios Konstantakopoulos

Geohellas SA is an industrial minerals company based in Athens, Greece. The Greek company specializes in technical clays and natural solutions, with a focus on attapulgite and saponite minerals. Geohellas has a professional R&D department and leading-edge manufacturing facilities, which allow them to deliver an expanding portfolio of superior technical clay products that enhance product quality and performance for clients in various business sectors. The private company offers products for agriculture, animal feed and hygiene, industrial applications, construction, environmental applications, and more. Geohellas is committed to sustainability and has ongoing restoration processes to protect nature. The company participates in various international trade shows and have recently renewed their ISO 9001\:2015 certificate.

The International Marine Environment Protection Association operates as a marine environmental protection association. The company is headquartered in Athens, Greece.

Vryonis is a Greek company that provides real estate services. The private company was founded by Konstantinos Vassilios Konstantakopoulos.

The Pylos Archaeology Foundation is engages in systematic investigation, protection, and management of the archaeological sites and cultural resources of the region of Pylos. The company was founded by Konstantinos Vassilios Konstantakopoulos and is headquartered St. Louis, MO.