PPG Industries Inc. (The U.S.)
GKN Aerospace (The UK)
Saint-Gobain (France)
General Electric Company (The U.S.)
Gentex Corporation (The U.S.)
The Nordam Group LLC (The U.S.)
Control Logistics Inc. (The U.S.)
LEE Aerospace (The U.S.)
Texstars (The U.S.)
Llamas Plastics Inc. (The U.S.)