Reflex Supplies
Need other packaging supplies
http://www.reflexsupplies.com

Packaging Price
Online supplier of stock packaging materials.
http://www.packagingprice.com/

ISTA
Organization that develops testing standards for transport packaging
http://www.ista.org/

IOPP
Institute of Packaging Professionals
http://www.iopp.org/

Pack-Info World
Online site for the World Packaging Organization
http://www.packaging-technology.com/wpo/

Packworld.com
Online version of Packaging World Magazine
http://www.packworld.com/index.html

Packaging Digest
Online version of Packaging Digest Magazine
http://www.packagingdigest.com/