EFRA tracks an index of developed market companies that provide infrastructure and industrials solutions. Eligible companies must derive at least 40% of their revenues from sectors with relevance to: (1) energy efficiency and emissions mitigation, (2) pollution reduction, or (3) land and resource optimization. Companies involved in the business of tobacco, weapons and firearms, or thermal-based energy, as well as those with controversies in human rights, labor, environment, and anti-corruption are excluded. Eligible firms must also have $100 million free float adjusted market capitalization or more than $1 million average daily trading volume over the prior sixty trading-day period. The Index Provider assesses and measures a companys green revenues based on company disclosures or company-specific estimates. Holdings are weighted based on free float market-cap, with a cap of 6% per issuer.