Child Health Foundation
A non-profit, public charity that works to prevent and treat life-threatening communicable diseases of infants and children in the United States and abroad.
http://www.childhealthfoundation.org/

Infant Formula Manufacturers
Lypack, the food formula contract & toll manufacturing company, offers formula for all age groups with special energy & nutritional needs
http://www.lypack.com/products/10/products-infant-formula.html

KidsHealth
Features information about health, behavior, and development from before birth through the teen years.
http://kidshealth.org/