BASF The Chemistry of Sustainable Construction

Nudura Insulated Concrete Forms
Build reinforced structures with local building materials anywhere in the world! 

Pollard Windows & Doors
When performance matters

Insulspan SIP's 
Structurally Insulated Panels

Tetra Tech
Global Engineering and Consulting Services

Delaware Valley Green Building Council (DVGBC)
The Philadelphia & surrounding areas USGBC chapter

United States Green Building Council (USGBC)

ENERGY STAR

Energy Coordinating Agency

Sustainable Energy Africa

Biocence International
A multi-use antibacterial/ antiviral OTC drug, I don't leave home without it!