About us

1990

The merger of TRANSPORTES CARAVANA and CONSIDEX S.A., companies engaged in the transport of minerals and leasing of machinery, created COMPAÑÍA MINERA SAN MARTÍN.

Activities continued in the operation of Cemento Andino in Tarma and the transport of gypsum for Cementos Lima. 


CEMENTOS LIMA and CEMENTO ANDINO, now called UNACEM, contracted us to operate the Atocongo quarry and, as a result of the successful operation, broadened our contract to other quarries, located in Pucará. Today we are the leading contractor, with 27 years of continuous work and daily reaffirming our commitment to our clients.

1993

A year of proactive acquisition of technologies and heavy machinery. The first ten 35 MT Wabco mining trucks were purchased and we significantly increased the leasing of heavy machinery for highway construction.

1997

Work began on the Atocongo quarry owned by CEMENTOS LIMA.  
San Martin acquired a fleet of 100-ton Cat 777 off-road trucks, and 10 m³ hydraulic shovels.

1999

Work was carried out at the principal mines in central Peru - underground mining for COMPAÑÍA MINERA MILPO at its Porvenir operation.

Underground and surface mining was carried out for VOLCAN COMPAÑÍA MINERA at the Andaychajua Ticlio operation and the Toldorumi open pit. Diamond drilling services were also provided at Yauliyacu, and the construction of a tailings dam in northern Peru at Quiruvilca for PAN AMERICAN SILVER.

2000

COMPAÑÍA DE MINAS BUENAVENTURA joined our client portfolio. We provided earth moving services for MINERA YANACOCHA sites and developed the China Linda quarry for their lime plant.

CERRO VERDE assigned us their diamond drilling work.

The Shiran - Otuzco Highway for the Ministry of Transport and Communications.


2002

A contract was signed with Shougang Hierro Peru to work on the stripping of sterile materials. A fleet of 100-ton trucks and 12 m³ excavators was acquired.

2005

Participation in the construction of Pampa Melchorita for PERU LNG, and expansion of the fleet for the Shougang Hierro Peru project of 150-ton trucks and 16 m3 shovels.

Our client GOLD FIELDS contracted our services to develop the mine and quarries at Cerro Corona, where we continue to work.

Construction of preliminary works for GOLD FIELDS.

2007

Our company name changed to SAN MARTÍN CONTRATISTAS GENERALES.

We began construction of El Platanal hydroelectric station.

With the objective of investing in a larger fleet of mining equipment to serve the industry, we set up a first issue of private bonds on the international markets (London).

2009

As part of a client diversification process, MAPLE ENERGY assigned us the contract to clear and prepare 8,500 hectares.

Reengineering of processes by an international consultancy firm.

2010

We secured contracts for the construction projects of Pucamarca for MINSUR and of Toromocho operated by MINERA CHINALCO PERU, and to develop the mining project of Tantahuatay operated by COMPAÑÍA MINERA COIMOLACHE.

2011

We secured a new construction contract with FREEPORT PERU, at its Cerro Verde mine, to build a leaching pad over 100 hectares.

We began open pit mining operation services for MINERA COIMOLACHE in Cajamarca.

2012

EMPRESAS ICA, S. A. B. DE C. V., one of the largest construction companies in Mexico, bought 51% of the shares in San Martin. The objective was to reinforce San Martin’s Construction and Infrastructure Unit through ICA’s more than 65 years of experience in the Mexican and Latin American market.

2013

As a result of our leadership in the mining industry, we secured a number of contracts for new projects. These include contracts with BUENAVENTURA, at its Tantahuatay mine, to continue mining and to build the leaching pad, and with SOUTHERN PERU for the construction of new Phase I warehouse in the concentrates yard at the port of Ilo, Moquegua.

2014

We continued with new projects with FREEPORT PERU, at Cerro Verde, to undertake earth moving works and the construction of offices.

We began our internationalization process with the contract for our first international work, with FIRST QUANTUM in Seville, Spain.

2015

The Siucho Group bought a 20% share of ICA, and became majority shareholder of SM.

CEMENTOS PACASMAYO granted us the contract to manage its quarry in Piura.

We signed a new contract with COMPAÑÍA DE MINAS BUENAVENTURA S.A. for earth moving and civil works, as well as the installation of structures and equipment for the Tambomayo plant.

We also entered into the contract to build the manufacturing plant for forged steel grinding balls for the MOLY-COP ADESUR mill.

2016

CEMENTOS ARGOS granted us the first Project in Colombia, for operating the quarry at Medellin.

MINERA YANACOCHA S.R.L. granted us the contract to build a sand mill dam, developed in consortium with a local company.

A second construction contract was signed with Buenaventura for the tailings basin at the Tambomayo project.

CEMENTOS PACASMAYO granted us the mining development contract for its Tembladera project.

We signed a construction contract with MINERA AREAS for its Inmaculada Project.

2017

The Siucho Group bought ICA’s total share in the company.

We won our second Project in Colombia with OMYA Andina.

A new bond issue was launched on the Lima Stock Exchange.

We renewed our image, which opens the way to great changes...

2018

During 2018, our company was part of several notable projects in the mining industry. We signed a contract with Minera Chinalco Perú to carry out the Toromocho expansion project. Likewise, Minera Los Quenuales granted us the slope stabilization works of the Santa Este pit. We were contracted by Minera Las Bambas for the construction of the rapid discharge of uncontaminated water, contributing to their environmental management efforts.

Compañía de Minas Buenaventura hired us for the mining operation in La Zanja and the construction of a new leaching pad in Tantahuatay, consolidating our long-term relationship with this important company. Minsur trusted us for the construction of the phase 3B leaching pad in Pucamarca. Shougang Hierro Perú EAS assigned us the development of the northwest pit and Mina 5 stage III, projects that strengthened its position in the iron market.

We were also proud of the renewal of the contract with UNACEM, which broadened our collaboration for five more years for the provision of mining development and exploitation services. Finally, in consortium with Acciona Agua, we were granted the EPC Tailings Pumping System Project by Minera Antamina, a project that confirmed our experience and capacity in engineering solutions. These achievements reflect our commitment to excellence and innovation in the mining industry.

2019

2019 was a year of great progress and achievements where San Martín stood out for its adaptability and continuous growth. The change of San Martín's functional currency to the US dollar was approved, which became a strategic step to improve our competitiveness in the international market. In parallel, we carried out an organizational restructuring, consolidating all our activities into a single business unit that covers both mining operations and the construction of mining infrastructure. This change has allowed us to optimize our resources and strategic focus.

Another important milestone was the complete adoption of the SAP integrated system and and the continuation of processes transformation to guarantee the efficiency of internal processes, realigning strategies and ensuring the quality of our services for the benefit of customers. This effort was complemented by obtaining the ISO 37001:2016 Anti-Bribery Management System certification, reaffirming our commitment to transparency and ethics in all our operations. In addition, we implemented a new dispatch system in mining exploitation projects, which allowed us to control and improve the performance of the main and auxiliary fleet to achieve greater productivity at low cost, working safely and without any socio-environmental impact.


Minera Las Bambas contracted us for the Phase 3 and 5 mine operation service in the Ferrobamba pit, as well as for the construction of the mineral pile platform and the recovery of the organic soil of the Huancarane landfill. We were also awarded the drilling service in the Ferrobamba pit.
Sociedad Minera El Brocal, of Buenaventura group, awarded us the mining operation services for the Colquijirca Pit in El Brocal mining unit. Compañía Minera Buenaventura hired us for the construction of the PAD, expansion phase 1, stage 2 in the Tantahuatay mining unit.

In addition, Hochschild Mining awarded us the contract for the heightening of the dam at the Inmaculada mining unit, and we signed a framework contract with Minera Shougang to extend mining service contracts until 2025. These contracts and recognitions reflect our strength, efficiency and commitment to excellence in the mining industry.

2020

Our company faced numerous challenges in 2020, due to the COVID-19 global pandemic. In this period, we implemented rigorous strategies and measures to protect the health, safety and integrity of our workers.

Although it was a difficult year, we managed to close new contracts and extend existing ones. We signed a framework contract with Minera Shougang, broadening our collaboration until 2028, affirming the trust and mutual commitment in large-scale projects.

In addition, we were contracted by Minera MINSUR for the construction of Phase 4 of its Leaching Pad. Likewise, our contract with UNACEM was extended until 2025, consolidating our long-term business relationship.

2021

In 2021, we signed the contract for the loading and hauling service of waste and landfill construction by SHAHUINDO, belonging to Pan American Silver.

2022

2022 was a remarkable year for obtaining new contracts. Cementos Pacasmayo granted us the exploitation of the Virrilá Quarry, located in Sechura, Piura, for a period of one year. We also renewed our contract with them to carry out the exploitation of Tembladera Quarry for five more years, which allowed us to strengthen our collaboration with this important company.

In addition, Shougang Hierro Perú granted us the operation of its Mine 5 and Mines 9-10. Miski Mayo Mining Company entrusted us with the hauling service of sterile material and others, expanding our participation in large-scale strategic projects.

2023

At the beginning of 2023, we renewed our contract renewals with Shougang Hierro Perú to carry out our services for Mine 5 and Mine 9 and 10.

In August, a syndicated loan was closed, led by Banco Santander, with the participation of other financial entities, local and foreign funds.

In September, our client UNACEM renewed our contract until 2028. Additionally, in December, a contract was signed with Cia. Minera ARES, belonging to the Hochshild group, for the construction of the extension of the tailings dam at the Inmaculada mining unit.