$ SEC Filings

Filing Filed On
POST-EFFECTIVE AMENDMENT TO AN AUTOMATIC SHELF REGISTRATION STATEMENT 22 Jun 2006
4 22 Jun 2006
4 23 May 2006
FIRST QUARTER 2006 04 May 2006
1ST QUARTER 2006 EARNINGS RELEASE 04 May 2006
MERGER OF INFRASTRUX INTO TENASKA POWER FUND L.P. 02 May 2006
4 25 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
4 03 Apr 2006
AUTO-GENERATED PAPER DOCUMENT 29 Mar 2006
4 23 Mar 2006
3 17 Mar 2006