There are many companies that specialize in producing medical formula and food. The following links are for your use in locating these companies.
Abbott Nutrition
Applied Nutrition Corp
Cambrooke Foods
Dietary Specialties
Ener-G Foods
Lil’s Dietary Shop
Maddy’s (Applied Nutrition Corp)
Mead Johnson Nutrition
Nutricia North America
My Special Diet.com
PKU Perspectives
Rich’s
Taste Connections
Vitaflo