Charterhouse Group, Meritage Funds and Sweetwater Capital have agreed to sell NewPath Networks to Crown Castle International (NYSE: CCI) in a $115 million deal. The company provides distributed antenna system networks and received advice from Citigroup Global Markets and Proskauer Rose. Sweetwater first invested $15 million in NewPath in 2004 and was joined by Charterhouse and Meritage on a $47 million growth investment in 2009.