Calixto Romero Guzmán

Part of Corporación de Servicios GR SA, Palmas del Espino SA provides investment management services. The private company is based in Tocache, Peru.

Part of Camil Alimentos SA, Romero Trading SA distributes fuel. The private company is based in Piura, Peru. Romero Trading was acquired by Costeño Alimentos SAC on November 28, 2014.

Ransa Comercial SA provides integrated logistic solutions. Its services include storage, distribution, transport, on site customer store management, added value and customs agency. The firm serves food and drinks, retail, aeronautics, building, vehicular, fishing, agroindustry, and horeca sectors. The company was founded in 1939 and is headquartered in Miraflores, Peru.

Sucroalcolera Del Chira SA is a Peruvian company that manufactures basic chemicals.

Corporación de Servicios GR SA operates as a business management and information technology service company. It is engaged in the corporate audit, finance, business development, legal, application development and maintenance, information security, payroll management, recruiting, and training services. The company was founded on January 16, 1976 and is headquartered in Lima, Peru.

Industrias de Aceite SA is a vegetable oils producing company. It is engaged in the production, exploitation, transformation, industrialization, marketing, import, export, distribution and negotiation of soya, sunflower oils, as well as processing and transforming raw materials and products into soybean oil, sunflower oil, biofuels derived from oilseeds, sugarcane products, and food products in general. The company was founded on July 20, 1954 and is headquartered in Santa Cruz, Bolivia.

Corporacion Primax SA engages in the operation and management of gasoline stations. The firm specializes in the distribution and trade of fuels. The company was founded in 2005 and is headquartered in Santiago de Surco, Peru.

GRIO SA provides management consulting services. The private company is based in Lima, Peru. Marco Aureliio Peschiera Fernández has been the CEO of the Peruvian company since 2018.

Part of Corporación de Servicios GR SA, Pesquera Centinela SA engages in fishing activities. The private company is based in Lima, Peru.

Part of Global Monastir SL, Primax Colombia SA is a Colombian company that offers a loyalty program called "Puntos Colombia: Gana con Primax" for fuel stations. The private company is based in Bogota, Colombia and also offers a real-time system for managing vehicle fleets and fuel supply to reduce operational costs. The program aims to provide good energy and support to their customers.

Trabajos Maritimos SA is a maritime logistics company. It is engaged port and maritime operations providing ship, cargo, port fluvial and maritime infrastructure services. The company was founded on November 9, 1990 and is headquartered in Lima, Peru.