Mar 28, 2011 · Guaranty Trust Company is excited about the launch of our wholesale business fan page. What to expect from this page? Here, mortgage brokers will get the latest news in the industry, business perspective from mortgage experts, training and more! Network and connect with other brokers in the industry here @ GTC Wholesale Like Comment Mar 28, 2011 · Guaranty Trust Company is excited about the launch of our wholesale business fan page. What to expect from this page? Here, mortgage brokers will get the latest news in the industry, business perspective from mortgage experts, training and more!