We thank the following vendors who sponsored the 66th annual Pittsburgh Diffraction Conference:  

• 
  Blake Industries, Inc.
  
   
• 
  Bruker AXS, Inc.
  
   
• 
  Molecular Dimensions, Inc
  
   
• 
  Oxford Cryosystems, Inc.
  
   
• 
  Rigaku/MSC, Inc.
  
   
• 
  SpinX Technologies
  
   
• 
  Hampton Research
   
• 
  Crystal Positioning Systems