Major chocolate manufacturers are aware of the atrocities occurring daily on many cocoa plantations in West Africa. In 2001 the Harkin-Engle Protocol was proposed, setting labor standards, monitoring, and certification for chocolate farms.
But this is only in writing. Little progress has been made in the industry: the companies choose to ignore this issue, their representatives have no data to present, and because the companies are so large, they can get away with this not-so-secret horror.
U.S. law "prohibits the importation of products made with ‘forced or indentured child labor’ under Section 307 of the Tariff Act of 1930, 19 U.S.C. § 1307 (1997)" (International Labor Rights Fund, 2004).
Some major companies that knowingly use chocolate produced by slave labor:
* Hershey’s
* M&M/Mars
* Nestlé
* Kraft
* Toblerone
* Hauser Chocolates
* and others...
http://fairchocolate.org/ 
