sc13gza
 

     
 
OMB APPROVAL
  
 
OMB Number: 3235-0145
  
 
Expires: February 28, 2006
  
 
Estimated average burden hours per response...11
  
 
 
 

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. 1)*

INFRASOURCE SERVICES, INC.
(Name of Issuer)
COMMON STOCK, $0.001 PAR VALUE
(Title of Class of Securities)
45684P102
(CUSIP Number)
February 14, 2006
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

     o Rule 13d-1(b)

     þ Rule 13d-1(c)

     o Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed to be “filed” for the purpose of Section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

 
 

 

                     
CUSIP No.
  
45684P102 
      
 
      
 

 

           
1   NAMES OF REPORTING PERSONS:
Martin Maslonka
   
  I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY): 
   
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS):
  (a)   o
  (b)   o
     
3   SEC USE ONLY:
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION:
   
  united States
       
  5   SOLE VOTING POWER:
     
NUMBER OF   2,340,090
       
SHARES 6   SHARED VOTING POWER:
BENEFICIALLY    
OWNED BY   0
       
EACH 7   SOLE DISPOSITIVE POWER:
REPORTING    
PERSON   2,340,090
       
WITH: 8   SHARED DISPOSITIVE POWER:
     
    0
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON:
   
  2,340,090
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS):
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9):
   
  5.90%
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS):
   
  in

2

 

             
ITEM 1(a).   NAME OF ISSUER.
 
            
    InfraSource Services, Inc.
 
            
ITEM 1(b).   ADDRESS OF ISSUER’S PRINCIPAL EXECUTIVE OFFICES:
 
            
    100 West Sixth Street, Suite 300
Media, Pennsylvania 19063
 
            
ITEM 2(a).   NAME OF PERSON FILING.
 
            
    Martin Maslonka
 
            
ITEM 2(b).   ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE.
 
            
    414 E. Quartz Circle
Mesa, Arizona 85215
 
            
ITEM 2(c).   CITIZENSHIP:
 
            
    United States
 
            
ITEM 2(d).   TITLE OF CLASS OF SECURITIES.
 
            
    Common Stock, par value $0.001 per share (“Common Stock”)
 
            
ITEM 2(e).   CUSIP NUMBER:
 
            
    45684P102
 
            
ITEM 4.   OWNERSHIP.
 
            
    (a) Amount beneficially owned:
 
            
 
      2,340,090 shares of Common Stock    

3

 

             
    (b)   Percent of Class:
 
            
        5.90% as of the date of filing this Statement, based on 39,639,258 shares of Common Stock issued and outstanding as of October 20, 2005, according to the Issuer’s Quarterly Report on Form 10-Q for the quarter ended September 30, 2005.
 
            
        Amount owned reflects a disposition of 109,034 shares of Common Stock on December 9, 2005.
 
            
    (c)   Number of shares as to which the person has:
 
            
 
      (i)   Sole power to vote or to direct the vote:
 
            
 
          2,340,090 
 
            
 
      (ii)   Shared power to vote or to direct the vote:
 
            
 
          0 
 
            
 
      (iii)   Sole power to dispose or to direct the disposition of:
 
            
 
          2,340,090 
 
            
 
      (iv)   Shared power to dispose or to direct the disposition of:
 
            
 
          0 

4

 

     
ITEM 10.
  CERTIFICATIONS.
 
  By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.
 
    
 
  After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
         
     
February 14, 2006  /s/ Martin Maslonka    
  Martin Maslonka   
     
 

5