Berkshire Hathaway

The Forest 500 identifies, ranks, and tracks the governments, companies and financial institutions worldwide that together could virtually eradicate tropical deforestation. Rankings are based on their public policies and commitments and potential impacts on tropical forests in the context of forest risk commodities (palm oil, soya, beef, leather, timber, and pulp and paper). This financial institution received a score of 0/5.
[Source 2017][More on Forests]

The Unfriend Coal campaign by a group of NGOs has ranked the world's leading insurance companies on underwriting coal projects, coal divestment, and other climate action. This company ranked poorly across every criteria assessed.
[Source 2018][More on Climate Change]

This company is listed as having worst practice on a report card on lesbian, gay, bisexual and transgender equality in corporate America.
[Source 2014][More on Workers Rights]

As You Sow's 2018 report, Mining the Disclosures, is a deep analysis of 206 companies' human rights performance in relation to sourcing conflict minerals from the Democratic Republic of the Congo (DRC). This company's score was below 40% (Weak).
[Source 2018][More on Human Rights]

This company received a score of 0/100 in the Newsweek Green Ranking 2017, which ranks the world's largest publicly traded companies on eight indicators covering energy, greenhouse gases, water, waste, fines and penalties, linking executive pay to sustainability targets, board-level committee oversight of environmental issues and third-party audits. Ranking methodology by Corporate Knights and HIP Investor.
[Source 2017][More on Sustainability Reporting]