David Yanovich Wancier

EMGESA SA ESP engages in the generation and commercialization of electrical energy. It specializes in the management, operation, and maintenance of twelve hydroelectric and two thermal power plants as well as the generation of electric power from renewable sources. It also provides administrative, operational, and technical management to produce minerals and the exploration and exploitation of mining deposits. The company was founded on October 15, 1980 and is headquartered in Bogota, Colombia.

Oleoducto Central SA engages in the design, construction, operation, and exploitation of an oil transportation system. The firm specializes in the management and maintenance of land-based and maritime petroleum pipeline infrastructures. The company was founded on December 14, 1994 and is headquartered in Bogota, Colombia.

Corfivalle manufactures tires. The private company is based in Bogota, Colombia.

Unimed Pharmaceuticals, Inc. manufactured pharmaceutical products. It provided multiple indications in the therapeutic areas of cardiology, men's health, HIV and other infectious diseases. The company was founded in 1999 and was headquartered in Marietta, GA.

Suramericana SA is an insurance company. It is engaged in offering insurance products such as general insurance, property insurance, life insurance and work injury insurance. The company was founded in 1944 and is headquartered in Medellin, Columbia.

Part of Cencosud SA, Proterra SA is a Chilean company that sells agricultural supplies and equipment. Proterra was acquired by Cencosud SA from Ebro Foods SA on November 13, 2002.

Crynssen Pharma Group Ltd. operates as a biopharmaceutical company. It is engaged in the development of pharmaceutical products. The company was founded on March 15, 2013 and is headquartered in Naxxar, Malta.