Earlier this year, HP admitted to hiring private detectives to illegally obtain the personal phone records of board members suspected of leaking company secrets to the media. Five people have since been charged, including former chairwoman Patricia Dunn.

A UN-affiliated team of 1,800 climatologists says the Earth's climate has changed since the pre-industrial era. ExxonMobil, which made $36 billion last year thanks to oil price hikes after Hurricane Katrina, says the evidence is inconclusive.

KBR, an affiliated of this federal contracting behemoth once led by Vice President Dick Cheney, faces numerous False Claims charges and federal investigations for massively over-billing its $2.4 billion military support contract in Iraq.

Last year, this oil giant said it expected to spend $8 billion on "green" energy alternatives. Meanwhile, it continues to seek a "green" light from Congress to drill in the Arctic National Wildlife Refuge, despite warnings of an ensuing natural disaster.

Twenty-two years ago this month, a gas leak at a Dow-owned plant in Bhopal, India, killed 8,000 people and inflicted exposure-related illness on 150,000 more. The company, which admits no wrongdoing, recently announced a major expansion in India.

New York State filed suit against this drug maker for hiding data that showed its antidepressant drug Paxil was harmful to kids. The evidence? A company memo about hiding data that showed its antidepressant drug Paxil was harmful to kids.

It took years for this drug manufacturer to reluctantly take Vioxx off the market. In that time, as many as 139,000 Americans suffered heart attacks or strokes brought on by the arthritis drug, leaving 55,000 dead, FDA officials believe.

Before succumbing to a heart attack in July, Enron CEO Kenneth Lay was convicted on all six counts of fraud for grossly exaggerated the value of this energy giant, which once claimed more than $100 billion in annual revenue. It's now broke.

Under pressure to meet Wall Street expectations, Bernie Ebbers, the head of this long-distance phone company, told accountants to inflate earnings by over $5 billion, federal prosecutors say. Ebbers is now facing life behind bars.