EvilOrganisationsNestle are evil for their anti-breastfeeding practices. http://www.babymilkaction.org/ is relevant.
Amazon are evil because ages ago they spammed people, and there has been the OneClick? patent and disloyalty discounts.
Gmail are evil because they look through your e-mail, even of people who might not know this who send mail to gmail recipients. EPIC have information at http://www.epic.org/privacy/gmail/faq.html