1920 Compañía de Explosivos de Chile was founded on November 9th.

1923 Explosive manufacturing began at the Río Loa plant. The corporate name was changed to Compañía Sudamericana de Explosivos.

1972 Through the Chilean Economic Development Agency (CORFO), the Chilean government took full control of the company, changing its name to Empresa Nacional de Explosivos.

1974 First mobile manufacturing unit.

1983 Production of nitric acid and ammonium nitrate began at the plant in Mejillones (Prillex América).

1987 The company was privatized through acquisition by Chilean investors, FAMAE, and U.S. based Austin Powder Company.

1989 The company’s corporate name was changed to Enaex S.A.

1990 Sigdo Koppers S.A. acquired a 33% interest in Enaex S.A.

1991 Enaex was formed as a publicly held corporation.

1992 Construction of a new ammonium nitrate plant began on the company’s property in Mejillones.

1993 Sigdo Koppers S.A. increased its ownership interest in Enaex to 50.1%.

1997 The ammonium nitrate project which began with an investment of approximately $130 million U.S. was nearing completion. With the new plant’s production capacity of 350,000 tons/year, the company’s total capacity grew to 450,000 tons/year.

1999 Production of ammonium nitrate began at the new plant in Mejillones.

2001 Enaex earned the National Quality Award (Premio Nacional a la Calidad) in the large corporation category.

2006 Enaex carried out a successful capital increase of $68 million U.S. and secured two loans totaling $125 million U.S. in order to finance another new ammonium nitrate plant in Mejillones. A carbon credit project in Mejillones was also implemented.

2007 The subsidiary Enaex Argentina SRL was created. The carbon credit project and the construction of the new ammonium nitrate plant began.

2008 The carbon credit project’s certified emissions reduction initiative was launched. The subsidiary Enaex Servicios S.A. was created and Enaex was split into two main divisions, the Manufacturing Division and the Service Division.

2009 The carbon credit project was approved under the Kyoto Protocol and the United Nations officially issued the first emissions reduction certificates. This allowed Enaex to sell its carbon credits to the Mitsubishi Corporation in Japan.

2010 The new ammonium nitrate plant opened, bringing the total production capacity of the manufacturing complex to 850,000 tons/year, making it the world’s largest explosive-grade ammonium nitrate production complex.

2011 The manufacturing complex reached its maximum, nominal capacity, of 850,000 tons/year of ammonium nitrate. UNFCC approved the Panna 4 carbon credit project. Enaex solidified its position as the national leader in CO2 reduction and emission of carbon credits (Certified Emission Reduction, CERs).

2012 Enaex acquired a one-third stake in IBQ Industrias Químicas (Britanite) in Brazil. In late 2012, Enaex launched a new project called “The New Enaex Cycle,” updating its image and headquarters, aligning them with new growth and productivity challenges.

2013 Contracts were renewed with major mining customers in Chile, and new contracts were signed for sites owned by Antofagasta Minerals and Anglo American. Enaex was awarded 90% of the explosives tonnage available for bid. This year was key in defining Enaex’s focus on a model based on continuous innovation.

2014 In Peru, Enaex acquired an 80% interest in Chemtrade, a company through which it was awarded the ammonium nitrate supply contract for Minera Antamina. In Chile, new contracts were signed with the Collahuasi mines, increasing Enaex’s domestic market share.

2015 Enaex acquired 100% of IBQ Industrias Químicas (Britanite) and 91% of the Davey Bickford Group, a France based world leader in manufacturing electronic detonators. In October, Enaex conducted its first bond issuance on the local market, for a total of UF 2.5 million.

2016 Enaex was listed on the Dow Jones Sustainability Index Chile (DJSI Chile), and the Chilean Federation of Industry (SOFOFA) imparted one of its most important national accolades, naming Enaex the Outstanding Company of the Year in 2016.

2017 Enaex worked with the Stanford Research Institution (SRI), ASI Robots, Tersainox, Thecne and SK Godelius to launch two new teleoperated robotics solutions for mining sites; RoboMiner® and Mine-iTruck®. The company was again selected to be part of the Dow Jones Sustainability Index and named the mining industry’s Best Domestic Supplier on Phibrand’s 2017 Mining Suppliers Ranking. In the financial realm, Feller Rate upgraded the Company’s national risk rating from AA- to AA with a stable outlook. At the international level, Enaex began new operations at Yamana Gold’s mines in Brazil and performed its first blasting service in the Peruvian market at Minera Constancia, a Hudbay copper mine.

2018 Enaex built an emulsion plant in Tooele, Utah and started manufacturing and selling product. During the same period, Enaex began importing explosives from Chile, Brazil, and France for distribution in the United States. The strategy for this entry into the US market is to offer comprehensive blasting solutions to mining companies. Additionally, a strategic process of approaching value seeking mining companies in the United States was implemented.