Denver. Banks Five Denver banks listed among 300 largest in U.S. RMH 2-2-55 Clips: Denver. Banks Banks bulge in Denver's biggest boom in history. Post July 5, 1953 p.lA Empire Savings Building and Loan, Longmont Federal Building and Loan merges with Denver firm. Post Jan. 6, 1958 p.30 c.7 Stock show sends Denver economy soaring. RMN Jan. 12, 1958 p.5 Denver banks name directors. Post Jan. 14, 1958 p.27 0