Neutral Tandem Files for $75 Million IPO

Neutral Tandem Inc., a Chicago-based provider of tandem interconnection services to competitive carriers, has filed for a $75 million IPO. It plans to trade on the Nasdaq under ticker symbol TNDM, with Morgan Stanley and CIBC World Markets serving as co-lead underwriters. It has raised around $29 million in VC funding from firms like DCM-Doll Capital Management, New Enterprise Associates, Mesirow Capital Partners, Montagu Newhall Associates and Wasatch Venture Fund. www.neutraltandem.com