Mitsubishi Electric

This company is 79th on SIPRI's list of the Top 100 arms-producing and military services companies in the world (excluding Chinese companies), ranked by their arms sales in 2015. Arms sales accounted for 2% of this company's total sales in 2015.
[Source 2015][More on Military]

This company received a score of 42.6/100 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]

A European Union court upheld fines of 136m euros imposed on this company and Toshiba for their participation in a cartel for equipment used in electricity substations. The European Commission had fined this company 74.8m euros and a joint amount of 4.65m euros with Toshiba, for participating in a cartel for gas insulated switchgear between 1988 and 2004.
[Source 2016][More on Governance]

Mitsubishi owns 35-40% of the market for the Bluefin Tuna, which is listed as Critically Endangered, the highest risk category of the IUCN Red List. Mitsubishi has been stockpiling up to 20,000 tons of the frozen fish while continuing to buy more. While the price of a product gets higher the harder it is to find, Mitsubishi has been accused of deep freezing these fish to make an even bigger profit as the species gets ever closer to being completely wiped out.
[Source 2013][More on Oceans]

Two Mitsubishi subsidiaries are on SIPRI's list of the Top 100 arms-producing and military services companies in the world (excluding Chinese companies), ranked by their arms sales in 2014.
[Source 2015][More on Military]