Iván Sánchez Hernández

Ingenieria, Servicios y Representaciones de Colombia SA (INGESER SA) provides drilling and exploration services for oil producing companies. In 1992 the company held 11% of the total national drilling equipment, with a total of forty one oil wells in full production and thirty eight in developing growth. In 1992 the company opened an international market providing exploratory and drilling services to oil wells operating in Ecuadorian soil.

Carbones de Colombia SA is a Colombian company led by BHP Billiton PLC, Anglo American PLC, and Glencore International AG.

Americatel has been owned and operated by its parent company, Platinum Equity, LLC since 2006 and is part of a growing family of telecom companies in the Platinum Equity portfolio including Matrix Telecom. Inc., Covad Communications (www.covad.com), and DCA Services www.dcaservices.com. Americatel has been the leading provider of telecommunications services to ethnic consumers and businesses in the United States and Canada. The company also works with international long-distance carriers and Internet service providers transacting with the world's emerging economies. Americatel services connect world-wide communities through a flexible network of owned and leased facilities, operating and termination agreements, and resale arrangements. Americatel's technology assets include an extensive network of IP gateways, international gateways, and switches. Americatel Corporation services consumers in North America through its Americatel brand and through its wholly owned subsidiary, Startec Global Communications (http://www.startec.com/). Americatel-branded services are primarily targeted to Hispanic consumers in the United States. Services range from the highly recognized 1010-123 dial around service to the rapidly growing Cellular Accesso and LíneaPaís services. Americatel's spokesperson, Don Francisco, is one of the most recognized Hispanic celebrities and his television variety show reaches millions of people weekly.

Terpel Sur SA processes and distributes fuels. It distributes oil, gas, diesel, kerosene, and automobile lubricants. The company operates three fuel production plants: Gualanday Plant in the Tolima province, Puerto Asis plant in the Putumayo province, and Florencia plant in the province of Caqueta. Terpel Sur is headquartered in Bogota, Colombia.

Refinería de Cartagena SAS processes and refines petroleum products. It offers gasoline, kerosene, distillate fuel oils, residual fuel oils, and lubricants. The company was founded in 1956 and is headquartered in Cartagena, Brazil.

Surtidora de Gas del Caribe SA ESP engages in the provision of natural gas services. It distributes, markets, maintains, and operates natural gas pipelines and facilities. It also provides financing and insurance solutions. The company was founded on August 3, 1968 and is headquartered in Cartagena, Colombia.

Polipropileno del Caribe SA is a Colombian company that produces polipropilene resins. The company is ultimately controlled by the Government of Colombia and is based in Santa Fe De Bogota, CO. Polipropileno del Caribe was acquired by Ecopetrol SA on December 24, 2007 for $689.38 million.

AIRES Colombia provides scheduled air transportation services. The company was founded in 1981 and is headquartered in Bogota, Colombia

Part of Pacific Power Generation Corp. (Panama), Promotora de Energia Electrica de Cartagena SA generates electricity. The company is based in Bolivar, Colombia. Octavio Arbelaez has been the CEO of the company since 2007.

Corporacion Financiera Del Norte SA provides financial services.

Part of Repsol SA, Petróleos del Norte SA (Spain) is a Spanish sustainable energy company founded in 1968. The company is based in Muskiz, Spain. Petronor's program of open innovation, inspire®, seeks solutions to the challenges faced by the company. Petronor's refinery produces a range of products including biodiesel, butane, propane, naphtha, fuel oils, asphalts, and diesel. The company's website provides information about its facilities and surroundings in Muskiz, Abanto-Zierbena, and Zierbena. Additionally, the website features reports on the natural species found in the vicinity of the Petronor refinery, as well as information on the best of Basque cuisine, presented by renowned Basque chefs with Repsol suns.

Aerovías del Continente Americano SA provides scheduled passenger air transportation service. Its services include cargo, web check in, flight status, ticket status, consultation itineraries, luggage tracker, and refund request. The company is headquartered in Barranquilla, Columbia.

Codensa SA ESP engages in the distribution and commercialization of electrical energy. It offers the execution of works, design, and consulting services in electrical engineering. It also provides financing services, subscriptions, and insurance. The company was founded on October 23, 1997 and is headquartered in Bogotá, Colombia.

Transelca SA ESP is a electric power transmission company. It engages in the power transmission, the planning and coordination of the of transmission, electricity and energy system resources operation, and the provision of telecommunications services. The company was founded on 6 July, 1998 and is headquartered in Puerto Colombia, Colombia.

Gases del Caribe SA ESP engages in the commercialization and distribution of natural gas. Through proprietary pipelines and storage infrastructure, it transports natural gas to the departments of Bolivar, Cesar, Magdalena, and Atlantico. The company was founded on October 19, 1966 and is headquartered in Barranquilla, Colombia.

Comunican SA is a Colombian company that owns and operates newspapers. The private company was founded in 1952. Wilson Santiago Diaz Castro has been the CEO of the company since 2006.