Entel is an Optytek client

Entel is a leading telecommunications operator in Chile and has the most modern infrastructure in the industry. It offers a full range of services, including mobile, fixed, IT Outsourcing and Contact Center.

Currently, it is the number one mobile operator with more than 7.8 million subscribers (34.5%), ahead of Movistar. In Chile, mobile telephony has a penetration rate close to 125%, totaling in September 2016 more than 22.8 million subscribers (Subtel, September 2016).

Entel works with the best quality standards and is internationally recognized for providing “America’s Best Mobile Phone Service”. Entel has been awarded for 11 consecutive years as the mobile operator with the best service in the ProCalidad awards.



It is a subsidiary of América Móvil, the largest telecommunications group in Latin America, which stands out for its presence in 18 countries and more than 290 million mobile phone customers.

Claro Chile is one of the main telecommunications companies in the country, with around 6 million clients. It is a company that provides services that respond to the needs of residential clients, companies and large corporations, through fixed telephony, mobile solutions, internet, digital television, IT services and Data Centers.



Personal is one of the largest mobile communication companies in Argentina.

“Let’s make it all happen” is the brand concept that leverages your vision and business strategy, promoting the cell phone as a facilitator of the connections and participation of your customers.

PERSONAL has been operating since 1996 and its majority shareholder is Telecom Argentina S.A.

Its objective is for the client to live the best connectivity experience through their mobile device, and it offers them multiple possibilities of being connected through their services: with voice communications, text messages, high-speed mobile internet, roaming and international long distance calls, entertainment content, game download, music and video download and streaming, access to social networks and instant messaging (Facebook, Twitter, WhatsApp, Instagram, LinkdIn, Snaptchat, etc.), contact protection services , among others. It also has for sale a wide range of 3G and 4G technology mobile devices (cell phones, modems, hotspots and netbooks) and accessories.



It is a mining company dedicated to the extraction and production of copper concentrate and cathodes, and molybdenum concentrate. As of December 2016, Collahuasi was the second largest copper operation in the world and one of the largest deposits of copper mineral resources on the planet (9,964 million tons).

Its industrial facilities and the Rosario, Ujina and Huinquintipa deposits, located in the commune of Pica, Tarapacá Region, make up the Cordillera Area. The concentrator plant is also located in the Ujina sector, from where a 203 km-long pipeline system is born, through which the copper concentrate is transferred to the Collahuasi Maritime Terminal. From this enclosure, located in Punta Patache, 65 km south of the city of Iquique, products are shipped to international markets. In this place, there are also molybdenum and concentrate filtering plants.

The shareholders are Anglo American plc (44%), Glencore (44%) and Japan Collahuasi Resources B.V. (12%), those who are represented on its Board of Directors.

In 2016, Collahuasi had a total workforce of 5,945 workers, made up of 36% self-employed and 64% outsourced. In addition, 44.8% of the own workers came from the Tarapacá Region.

In 2016 Collahuasi produced 506.5 thousand tons of fine copper, with revenues of US $ 2,286 million.

For the Company, sustainability is the central axis and guiding framework of its actions and applies to all levels of the organization: people, projects, operations, facilities and products.



It is an American company, owner and operator of transmission and wireless communications infrastructure in several countries. American Tower is based in Boston, Massachusetts and has local offices around the world. The company was formed in 1995 as a unit of American Radio Systems, and split from that company in 1998 when that company merged with CBS Corporation. After the merger, American Tower began its international expansion by establishing operations in Mexico in 1998 and Brazil in 1999. The company is structured as a real estate investment trust and was named Fortune 500 by Fortune magazine for the first time in 2017.

In 2005, American Tower merged with SpectraSite Communications, Inc., expanding its global portfolio to more than 22,000 proprietary communications sites, including more than 21,000 wireless towers, 400 transmission towers, and 100 DAS (Distributed Antenna System) sites in the building. The merger further established American Tower’s position as one of the largest tower owners and operators in North America.

Between 2007 and 2012, American Tower’s international growth continued with operations in India, Peru, Chile, Colombia, South Africa, Ghana and Uganda. In 2013, American Tower acquired its smallest rival Global Tower Partners for $ 4.8 billion. This acquisition added sites to its USA portfolio and added operations in Costa Rica and Panama.

Currently, American Tower owns and operates more than 170,000 sites in 16 countries.