3 domains belong to Martin Kaltenboeck

reegle - the clean energy info portal provides country energy profiles including key statistics, policies and actors, a clean energy web search, a directory of relevant key actors and a map search of energy statistics and potentials

PoolParty is a world-class semantic technology suite that offers sharply focused solutions to your knowledge organization and content business.

The Global Buildings Performance Network (GBPN) is a globally organised and regionally focused network whose mission is to advance best practice policies that can significantly reduce energy consumption and associated CO2 emissions from buildings.