Philadelphia’s Center City has become the most appealing real estate for businesses in town Metropolitan

Shannon Rooney. When Clemens Construction Company expanded to a second floor in the historic Drexel Building on Walnut Street last year, the project was a lot like the preservation work the firm does elsewhere in the region.When Clemens Construction Company expanded to a second floor in the historic Drexel Building on Walnut Street last year, the project was a lot like the preservation work the firm does elsewhere in the region.

When Clemens Construction Company expanded to a second floor in the historic Drexel Building on Walnut Street last year, the project was a lot like the preservation work the firm does elsewhere in the region.When Clemens Construction Company expanded to a second floor in the historic Drexel Building on Walnut Street last year, the project was a lot like the preservation work the firm does elsewhere in the region.