Compañía Minera del Pacífico
Chilean iron-mining company operating mines, processing facilities, and port infrastructure in the country’s Iron Belt.
Last updated August 22, 2026
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Overview
Compañía Minera del Pacífico, commonly known as CMP, is a Chilean mining company focused primarily on the extraction and processing of iron ore. The company was established in January 1981 as part of the reorganization of Compañía de Acero del Pacífico, which was converted into a holding company. CMP subsequently became the principal specialist iron-mining business associated with Chile’s steel and mining industry. CMP’s operations are concentrated in Chile’s Iron Belt, a mineral-producing zone extending across the provinces of Copiapó, Huasco, and Elqui. Its activities have included mine development, ore extraction, beneficiation and pellet production, and the shipment of products through dedicated port infrastructure. The company operates the El Romeral mine in the Coquimbo area and uses the port of Guayacán for maritime logistics. In the Huasco area, CMP operates the Planta de Pellets, a pelletizing facility supplied by ore from the Los Colorados mine. This combination of mines, processing assets, and ports gives the company an integrated position in the Chilean iron-ore supply chain. The company’s history also includes partnerships and operational consolidation. Until 2010, Los Colorados was operated through Compañía Minera Huasco, a joint venture owned equally by CMP and Mitsubishi Corporation. In 2010, that joint venture was incorporated into CMP. As part of the transaction, Mitsubishi obtained a 25 percent interest in CMP, comprising an interest connected with the integration of the joint venture and an additional capital contribution. The change brought the Los Colorados operation directly into CMP’s corporate structure while preserving Mitsubishi’s participation as a strategic investor. CMP experienced difficult financial conditions during its early years. It operated at a loss from 1982 through 1985, reached break-even in 1987, and then recorded annual profits for more than a decade according to the historical account summarized in the company’s encyclopedia sources. The company’s former operations included iron-ore mining at El Laco in the Antofagasta Region, which ended in 1996, and the supply of ore from El Algarrobo to the Planta de Pellets until the El Algarrobo mine closed in 1998. In 2017, CMP joined Consejo Minero, Chile’s mining-industry association, and was described as the organization’s only member whose principal mining activity was iron rather than copper or another major Chilean commodity. By 2022, CMP was reported as accounting for approximately 99 percent of Chilean iron exports, underscoring its dominant position in the country’s iron-export sector. Its business remains centered on the Chilean market and on international shipment of iron-ore products, although the available reference material does not specify individual export destinations, current ownership percentages beyond the Mitsubishi transaction, detailed production volumes, or current executive leadership.
History
Compañía Minera del Pacífico was created in January 1981 when Compañía de Acero del Pacífico was reorganized as a holding company and its iron-mining activities were placed within the new corporate structure. The creation of CMP reflected the separation of mining operations from the broader steel-industry organization and established a dedicated company for iron extraction and related processing in Chile. During its first years, CMP faced financial pressure. The company recorded losses between 1982 and 1985, but reached break-even in 1987. The historical account available for the company states that it then continued with annual profits for more than a decade. Its operating footprint developed across Chile’s Iron Belt, particularly in the provinces of Copiapó, Huasco, and Elqui. CMP’s portfolio has changed over time. It mined iron ore at El Laco in the Antofagasta Region until 1996. It also supplied the Planta de Pellets with ore from El Algarrobo until that mine closed in 1998. The company’s continuing operating structure became more concentrated around El Romeral, Los Colorados, the Planta de Pellets, and their associated logistics infrastructure. Los Colorados was initially operated through Compañía Minera Huasco, a 50-50 joint venture between CMP and Mitsubishi Corporation. In 2010, Compañía Minera Huasco was folded into CMP. Mitsubishi received a 25 percent ownership interest in CMP through a combination of the transaction and a subsequent capital injection. The integration placed Los Colorados directly within CMP while maintaining Mitsubishi’s participation in the business. The company’s operating model includes both mining and downstream handling. El Romeral is linked to the port of Guayacán in Coquimbo, while the Planta de Pellets at Huasco is supplied by Los Colorados ore. These assets allow CMP to move beyond raw extraction into processing and export logistics. In 2017, CMP joined Consejo Minero. It was identified as the association’s only member dedicated to iron mining, distinguishing it from Chile’s much larger copper-focused mining sector. By 2022, CMP was reported to account for 99 percent of Chilean iron exports. That figure illustrates the company’s central role in Chile’s iron industry, although the available material does not provide current production, revenue, workforce, ownership, or executive data.
- 2022
Dominant share of Chilean iron exports
[1]CMP was reported to represent approximately 99 percent of Chilean iron exports.
- 2017
Joins Consejo Minero
[1]CMP became a member of Consejo Minero and was identified as the association’s sole company engaged in iron mining.
- 2010
Los Colorados is integrated into CMP
[1]Compañía Minera Huasco was folded into CMP, and Mitsubishi Corporation received a 25 percent interest in CMP through the transaction and a capital injection.
- 1998
El Algarrobo closes
[1]The El Algarrobo mine closed, ending its supply of ore to the Planta de Pellets.
- 1996
El Laco mining ends
[1]CMP ceased mining iron ore at El Laco in Chile’s Antofagasta Region.
- 1987
Break-even reached
[1]The company reached break-even after its early loss-making years and subsequently recorded annual profits for more than a decade.
- 1982
Early loss-making period begins
[1]CMP entered a period of losses that continued through 1985.
- 1981
CMP is established
[1]Compañía Minera del Pacífico was established in January 1981 when Compañía de Acero del Pacífico was transformed into a holding company.
Products and positioning
An integrated Chilean iron-ore producer combining mining, processing, pelletizing, and port logistics, with a historically dominant role in Chilean iron exports.
Iron ore
El Romeral iron ore
Iron ore mined at El Romeral in the Coquimbo area. The operation is associated with the port of Guayacán, which provides a logistics route for handling and shipping the mine’s output.
Iron ore
Los Colorados iron ore
Iron ore from the Los Colorados mine supplies CMP’s Planta de Pellets at Huasco. The operation was formerly managed through Compañía Minera Huasco, a joint venture between CMP and Mitsubishi Corporation, before being incorporated into CMP in 2010.
Iron-ore processing
Planta de Pellets
CMP’s pelletizing facility at the port of Huasco processes ore supplied from Los Colorados into iron-ore pellets. It represents the company’s downstream processing capability and links mining operations with export infrastructure.
Former iron mine
El Laco
A former CMP iron-mining operation in Chile’s Antofagasta Region. Mining at El Laco continued until 1996 and is no longer part of the company’s operating portfolio.
Former iron mine
El Algarrobo
A former iron mine that supplied ore to the Planta de Pellets. The mine closed in 1998, ending its role in CMP’s pellet-feed chain.
Brand decisions
2017
Membership in Consejo MineroStrategyBackground
CMP operates in Chile’s iron-mining sector, which is smaller and more specialized than the country’s dominant copper industry.
Action taken
The company joined Consejo Minero, Chile’s mining-industry association.
Aftermath
CMP was identified as the association’s only member engaged in iron mining.
2010
Integration of Compañía Minera HuascoM&ABackground
Los Colorados had been operated through Compañía Minera Huasco, a joint venture equally owned by CMP and Mitsubishi Corporation.
Action taken
CMP folded Compañía Minera Huasco into its own corporate structure. Mitsubishi received a 25 percent interest in CMP through the integration and a capital injection.
Aftermath
Los Colorados became part of CMP’s direct operating portfolio while Mitsubishi retained a substantial ownership position in the company.
Sources1 sources
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