e15v12g
 
 
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 15
Certification and Notice of Termination of Registration under Section 12(g) of the Securities
Exchange Act of 1934 or Suspension of Duty to File Reports Under Sections 13 and 15(d) of the
Securities Exchange Act of 1934.
Commission File Number: 000-31283
PECO II, Inc.
 
(Exact name of registrant as specified in its charter)
601 Shiloh Road
Plano, Texas 75074
(972) 244-9288
 
(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)
Common Shares, without par value
 
(Title of each class of securities covered by this Form)
None
 
(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)
     Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:
     
     Rule 12g-4(a)(1)
  þ
     Rule 12g-4(a)(2)
  o
     Rule 12h-3(b)(1)(i)
  þ
     Rule 12h-3(b)(1)(ii)
  o
     Rule 15d-6
  o
     Approximate number of holders of record as of the certification or notice date: 1
     Pursuant to the requirements of the Securities Exchange Act of 1934, PECO II, Inc. has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.
         
     
Date: April 26, 2010  By:   /s/ Craig A. Witsoe    
    Name:   Craig A. Witsoe   
    Title:   Chief Executive Officer