The Global packaging Alliance is an international organization of packaging producers. They focus on developing and producing highly innovative packaging made of paperboard, plastic, and alternative substrates.
Official FDA Web Site is a valuable source for information. Products Food and Drug Administration Regulates are: Food, Drugs, Medical Devices, Biologic's, Animal Feed and Drugs Livestock, Cosmetics, Radiation-Emitting Products and Combination Products.
The Soap and Detergent Association Represents manufacturers of household, industrial and institutional cleaning products, their ingredients and finished packaging. This site update fairly often is a great organization to belong to.
A good source for packaging info is the Packaging News providing packaging news for packaging companies, packaging suppliers, and the packaging industry.