Products and Services


Change is coming

Welcome to PreserveList, Preservation Maryland’s online preservation services directory. This website is currently under construction, but listings are still accessible.

PreserveList was developed to connect preservation service providers with customers that are looking to care for their historic structures.  After the site’s full relaunch on January 1, 2023, PreserveList will be a free service to all, both those looking for preservation services and those interested in listing their relevant services.

All News

GWWO Architects Ranked Top Architecture Firm by Building Design + Construction

Posted 05/16/2020

For the sixth year in a row, GWWO Architects has been ranked a top architecture firm in each of our three core markets in Building Design + Construction’s 2019 GIANTS 300 Report—the magazine’s annual ranking of the nation’s top architecture, engineering, and construction firms across sectors.

Read the Press Release