An investigation on behalf of investors in Northwest Pipe Company (Public, NASDAQ:NWPX) over potential violations of Federal Securities Laws by Northwest Pipe Company was announced.

The investigation by a law firm concerns reports of possible securities laws violations by Northwest Pipe Company. On November 12, 2009, Northwest Pipe Company (NWPX) fell 14% or $4.49 and closed at $26.74 after the maker of welded steel pipes said it has delayed the release of its third-quarter financial results. Northwest Pipe Company announced that the financial report for the three months ended September 30 has been delayed 'pending the conclusion of an ongoing internal investigation of certain accounting matters, including certain revenue recognition practices.' The investigation is being conducted by the board of directors' audit committee and independent professionals, . Northwest Pipe Company said. Northwest Pipe plans to publish the results 'as soon as practicable' after the investigation and any further accounting work that may be needed.

Northwest Pipe Company, located in Vancouver, WA, is a manufacturer of large-diameter, high-pressure steel pipeline systems for use in water infrastructure applications, primarily related to drinking water systems. The Companys pipeline systems are also used for hydroelectric power systems, wastewater systems, and other applications. Northwest Pipe Company reported in 2007 Total Revenue of $382.82million with a Net Income of $20.83million and in 2008 Total Revenue of $439.74million with a Net Income of $32.30million. Shares of Northwest Pipe Company (NASDAQ:NWPX) traded recently at $26.53 per share, down from its 52weekHigh of $46.29 per share and $63.00 per share in September 2008.