TechTarget has filed a registration statement with the Securities and Exchange Commission as it prepares to offer $75 million in common stock for initial public offering. The Needham, Mass.-based firm is seeking a Nasdaq listing under the symbol TTGT, AdWeek writes. The IPO is being underwritten by Morgan Stanley, Lehman Brothers, Cowen & Co. and Piper Jaffray.

TechTarget, founded in 1999, provides customized online content for buyers and sellers of corporate IT products, as well as custom marketing programs for IT vendors. It also publishes several print magazines and newsletters.

TechTarget had 2005 pre-tax earnings of $13 million on revenue of $67 million, according to its IPO registration statement.