One Progress Plaza, office skyscraper in downtown St. Petersburg, Florida, United States

One Progress Plaza is a 28-story skyscraper at the corner of Central Avenue and 2nd Street South in downtown St. Petersburg, Florida, designed by Jung Brannen Associates and completed in 1990. It rises 117.65 m (386.0 ft) in a postmodernist style and holds the largest tenant occupancy of any commercial office building on Florida's southwest coast.

Jung Brannen Associates designed the 28-story tower, completed in 1990 at Central Avenue and 2nd Street South. It has carried the names Barnett Bank Tower, Nationsbank Tower, Bank of America Tower and One Progress Plaza. Kucera Properties announced the Priatek Plaza name on September 18, 2015, and dedicated it on September 17, 2015, after Priatek took about 8,000 square feet on the 23rd floor. Feldman Equities acquired the building on May 28, 2026.

The tower's successive names record its anchor tenants: Barnett Bank Tower, NationsBank Tower, Bank of America Tower, One Progress Plaza, then Priatek Plaza, dedicated on September 17, 2015, after Priatek took about 8,000 square feet on the 23rd floor. Merrill Lynch, Raymond James and ARK Invest also lease space there.

The tower stands at the corner of Central Avenue and 2nd Street South in downtown St. Petersburg, Florida. Its 28 floors are served by elevators, and the main tenants are finance firms such as Merrill Lynch, Raymond James and ARK Invest. The building is an office tower, so interior access is for tenants and their guests.

Priatek, a technology company, moved its headquarters into about 8,000 square feet on the 23rd floor after Kucera Properties offered it an undisclosed sum; the tower was formally dedicated under the Priatek Plaza name on September 17, 2015. Earlier names include Barnett Bank Tower and Nationsbank Tower.