The economy of Houston is based primarily on the energy industry, particularly oil. However, health care, biomedical research, and aerospace also constitute large sectors.

Reliance Industries Limited is an Indian multinational conglomerate headquartered in Mumbai. Its businesses include energy, petrochemicals, natural gas, retail, entertainment, telecommunications, mass media, and textiles.

Repsol S.A. (Spanish pronunciation: [reβˈsol]) is a Spanish multinational energy and petrochemical company based in Madrid. It is engaged in worldwide upstream and downstream activities.

Scottish Power Limited, trading as ScottishPower, is a British vertically integrated energy company headquartered in Glasgow, Scotland. It is a subsidiary of Spanish utility firm Iberdrola.

Fox ESS Co., Ltd. (Chinese: 麦田能源股份有限公司), trading as Fox ESS, is a Chinese manufacturer of photovoltaic inverters and battery energy storage systems headquartered in Wenzhou, Zhejiang.

Geothermal heating is the direct use of geothermal energy for some heating applications. Humans have taken advantage of geothermal heat this way since the Paleolithic era.

Geothermal power is electrical power generated from geothermal energy. Technologies in use include dry steam power stations, flash steam power stations and binary cycle power stations.

RenewableUK, formerly known as the British Wind Energy Association (BWEA), is the trade association for wind power, wave power and tidal power industries in the United Kingdom.

Get fit with quality gear and equipment from Makro. Shop for exercise machines, weights, accessories, and more. Achieve your fitness goals at great prices!

Tesla, Inc. is an electric vehicle manufacturer and clean energy company founded in San Carlos, California in 2003 by American entrepreneurs Martin Eberhard and Marc Tarpenning.