Here we go again someone asking where todays best source for balsa is. Below are some sources I've identified, any recent experiences and recommendations will be appreciated. (great source, bad experience, poor quality, stay away, etc.)
Bus Nosen
Balsa USA
National Balsa
Sig
Specialized Balsa Wood, LLC. ---Offered by weight
Model Aviation Products (MAP) --- Offering "contest grade"
Sig
OKIE Air
Steve