Företag inom hydrogen teknologi, bränsleceller, elektromagnetism, luft som drivmedel
http://www.loganenergy.com
http://qlan.en.ec21.com
http://www.ql-spe.com/en
http://www.centre-magnetic.com/english/aboutus.htm
http://www.uni-magcity.com
http://www.atlascopco-airmotors.com/?a=2&c=11&gclid=COn7osWe35gCFQxbtAodlTLgcg
http://www.ion-power.com/products.html
http://www.mobile-power.cn
http://www.cmrfuelcells.com
http://www.horizonfuelcell.com/portable_power.htm
http://www.hydrogenabsorptionrod.com


Databaser och länkar till företag inom förnybar energi
http://www.worldofrenewables.com
http://energy.sourceguides.com/businesses/index.shtml
http://www.fuelcellmarkets.com
http://www.fuelcells.org/hydrogen/companies.html
http://www.fuelcellsworks.com/Companies.html
https://fcpv2009.tems-system.com/exhiSearch/FC/eng/exhiList.aspx
http://www.eco-web.com
http://www.ecobusinesslinks.com
http://www.altenergystocks.com
http://www.bizwiz.com/top100/top100_Energy.htm
http://www.energyplanet.info
http://www.renewableenergyworld.com/rea/partner/search/all
http://www.freeenergynews.com/Directory
http://www.solarserver.de/branche/i_photovoltaik-e.html
http://www.evuk.co.uk/links/index.html
http://www.thefuture.net.nz
http://www.hydrogenabsorptionrod.com