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                Calfrac Well Services Ltd. (CFW $3.12)
    
        
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                Trican Well Service Ltd. (TCW $5.27)
    
        
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                U.S. Silica Holdings Inc. (SLCA)
    
        
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                Covia Holdings Corporation (CVIA)
    
        
 
            Q: Please explain what happened to the frac sand suppliers today. They all had a big drop today. Iv'e been watching them for a while now and thinking of stepping into them. Which ones do you like, why?
How about the pumpers like Trican and calfrac?
    How about the pumpers like Trican and calfrac?