Exhibit 32.1
 
CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350
 
The undersigned certify pursuant to 18 U.S.C. § 1350, that:

(1) The accompanying Quarterly Report on Form 10-Q for the period ended December 31, 2009 of Clearfield, Inc. (the “Company”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the accompanying report fairly presents, in all material respects, the financial condition and results of operations of the Company.


February 4, 2010
  
 /s/ Cheryl P. Beranek
   
By: Cheryl P. Beranek, President and Chief Executive Officer
   
(Principal Executive Officer)

 
February 4, 2010
  
/s/ Bruce G. Blackey
   
Bruce G. Blackey, Chief Financial Officer
   
(Principal Financial and Accounting Officer)
 
 
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