The following list corresponds to a group of companies with which COPRIM owns corporate and/or trading relationships for working together in the development of large scope projects.

JRI ENGINEERING SA
It is a high-prestige Chilean firm that performs studies and multidisciplinary engineering projects for the mining industry, developing highly complex projects with COPRIM. Currently, JRI owns 75% of COPRIM’s share capital.
http://www.jri.cl

GERENPRO ENGINEERING S.A.C.
It is a Peruvian company in engineering, construction and assembly, designed to develop and construct mining and industrial projects in the Peruvian market. This society is made up of Peruvian and Chilean capital (JRI and COPRIM).
http://www.gpingenieria.com

OCEGTEL S.A.
It is a Chilean company with more than two decades of experience in industrial construction and assembly, with which COPRIM has executed large projects. With them maintains a cooperation agreement.
http://www.ocegtel.cl

MANNESMANN DEMAG
It is a German company provider of a wide range of industrial tools, with which COPRIM has jointly performed major projects.
http://www.mannesmann-demag.com

FLUOR CHILE SA
It is a Society of North American capital that provides global engineering, procurement, construction, maintenance and project management services to governments and customers in various industries, including the mining and metallurgical industry. Currently, COPRIM is developing highly complex projects with this company.
http://www.fluor.com

SNC Lavalin Chile SA
It is a company with Canadian capital that provides engineering, procurement, construction, maintenance, project management and project financing services to a wide variety of industries, including the mining and metallurgy. Today, COPRIM is performing large projects with this firm.
http://www.snc-lavalin.com

MINERAL PROCESSING S.R.L.
A company specialized in the representation and introduction of the mining and metallurgical technology and in sale of equipment used in the mining, metallurgical and other industries, will represent COPRIM Ingeniería S,A. in Bolivia. This agreement is aimed to address modernization projects of the mining and metallurgical industrial scope as well in the procurement of equipment used for the collection, handling and treatment of metallurgical gases.