(most important references)

Brand chosen by the CLH Group to carry out its fuel and hydrocarbon storage, transport and distribution activities

Spanish company dedicated to the import of natural gas and owned 50% by the Italian ENI, S.P.A and the Spanish Naturgy Energy Group 

Perúpetro is in charge of promoting, negotiating, signing and supervising contracts for the exploration and exploitation of hydrocarbons in Peru

Iberdrola is a business group based in Bilbao, Spain, dedicated to the production, distribution and marketing of energy

Spanish oil company, whose corporate purpose is the refining and marketing of different oil products

Orpic, Oman based, is one of the largest and fastest growing companies in the Middle East oil industry

Spanish company for the promotion and management of infrastructures and renewable energies. It is present in 65 countries on 5 continents

Spanish petrochemical and energy multinational company based in Madrid with millions of customers worldwide 

Acronym for "Empresa Nacional del Gas", is a natural gas transportation company and Technical Manager of the Spanish Gas System

Canary Islands energy products distribution company and the first independent operator of petrol stations at national level

Spanish oil company founded in 1927 that became later part of the Repsol company as a commercial brand

Naftal is the leading trader of petroleum fuels for domestic consumption in Algeria

Elecnor, originally Electrificaciones del Norte, is a Spanish engineering company founded in Bilbao in 1958

Fomento de Construcciones y Contratas is the parent company of one of Europe's largest infrastructure and utilities groups

A global, diversified energy and chemical company with a presence throughout the whole oil, chemical and gas value chain

Independent Dutch multinational that stores and handles chemicals, petroleum, gases, biofuels and vegoils

Petroguin is a national company of Guinea Bissau, dedicated to the research and exploitation of oil and gas

Spanish company in the chemical industry sector whose activity focuses on the production of fertilisers, ammonia and other products

Peruvian state-owned company, dedicated to the transport, refining, distribution and commercialisation of fuels and other petroleum derivatives

Spanish multinational founded in 1941 specialised in the infrastructure, energy and water sectors