|Exhibit 15.1                                                                                                                                                                                                                                                                  
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|LETTER RE UNAUDITED INTERIM FINANCIAL INFORMATION                                                                                                                                                                                                                             
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|May 9, 2007                                                                                                                                                                                                                                                                   
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|Peter Kiewit Sons, Inc.                                                                                                                                                                                                                                                      
|Kiewit Plaza                                                                                                                                                                                                                                                                  
|Omaha, Nebraska 68131                                                                                                                                                                                                                                                         
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|Re:  Registration Statement 333-134580                                                                                                                                                                                                                                        
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|With respect to the subject registration statement, we acknowledge our awareness of the use therein of our report dated May 9, 2007 related to our review of interim financial information.                                                                                   
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|Pursuant to Rule 436 under the Securities Act of 1933 (the Act), such report is not considered part of a registration statement prepared or certified by an accountant, or a report prepared or certified by an accountant within the meaning of Sections 7 and 11 of the Act.
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|/s/ KPMG LLP                                                                                                                                                                                                                                                                  
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|Omaha, Nebraska