Mailing Address
      8490 PROGRESS DRIVE
      SUITE 300
      
FREDERICK       MD
21701      
   
   Business Address
   
 
   Mailing Address
      24275 KATY FREEWAY
      SUITE 600
      
KATY       TX
77494      
   
   Business Address
      24275 KATY FREEWAY
      SUITE 600
      
KATY       TX
77494      
      (281) 258-2170
   
  U.S. SILICA HOLDINGS, INC. (Issuer)
 CIK: 0001524741 (see all company filings)
EIN.: 263718801 | State of Incorp.: TX | Fiscal Year End: 1231
SIC: 1400 Mining & Quarrying of  Nonmetallic Minerals (No Fuels)
(CF Office: 01 Energy & Transportation)