Frank Green, Andrew Chantrill (T2M Ltd), Andrew Graves ( DSM Additive Manufacturing), (Rolls Royce - Heritage Team, Pera, Formation Prototypes Ltd, Crafty Machines Ltd, William Latham (Computer Art), 3D Systems, Rize One 3D Printer...
Others that have offered to help:
Graham Tromans, Dror Danai - XJet, Laser Prototypes Europe (Celebrating 25 Years), Gordon Styles - Star Rapid, G M Haines - Desktop Engineering, James K. McMahon (Curator - 3D Inkjet Museum)