WTCI is the largest international business network of its kind in the Mid-Atlantic region! At WTCI we help drive the growth of MarylandÍs flourishing global business community. Today, more than 2,500 Maryland firms benefit from WTCIÍs global connections, events and international business services. WTCI is a member of the World Trade Center Association, along with 320 fellow World Trade Centers operating in 96 countries around the world. WTCI is also accredited by the the World Bank Group and acts as the Mid-Atlantic region's Private Sector Liaison Officer (PSLO).