Castle Venture Group announced that it has inked a deal with Fortress Data Centers to help finance and build Fortress' new data centers throughout the southeast.  William Keever, Castle's President, stated that the project is crucial to the firm's plans to roll-out video related internet products and services that require significant storage facilities.  "We are very excited about opportunities in the data storage industry," said Sherman Mohr, COO of Castle, "Studies indicate that the industry will require significant expansion in the future to accommodate the rapid growth in data warehouse needs."  Castle Venture Group is a private equity firm located in Nashville, TN.  For more information, http://www.castleventure.com/, www.castleventure.com.