ZipRealty has signed up Charlotte, N.C.-based Wilkinson & Associates Real Estate ERA Powered as the 17th brokerage in its Powered by Zip referral and tech network. ZipRealty launched the Powered by Zip platform in 2011 as part of a restructuring that included closing brokerage operations in 15 markets. The company continues to operate as a brokerage in 19 markets. In Powered by Zip markets, ZipRealty supplies partner brokerages with leads and lead management tools. ZipRealty.com displays all of the Internet Data Exchange (IDX) listings sourced from multiple listing services in each partner broker’s market, including properties represented by other brokers. Wilkinson & Associates, which has four offices and 600 agents, is the first brokerage to join the network since f...