Firefly

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Blue Sun (Firefly and Serenity)

While it’s still unclear exactly what the corporation does, it seems pretty implicit that it isn’t good. Although most of the Blue Sun products seen on the show seem as innocuous as coffee cans and crackers, River’s actions, such as ripping off their labels on food and slashing Jayne with a knife when he wears their logo, suggest that there’s something more going on. Some suggest that there’s something in the food, but the stronger hypothesis seems to be that Blue Sun is somehow connected to the experiments done on River and is perhaps working with the Alliance.

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http://io9.com/5217560/15-evil-corporations-in-science-fiction