Sparks, a brand experience agency, completed the acquisition of the trade show and events business of Group Delphi, a marketing and advertising company. Financial terms were not disclosed. "Sparks has long respected the work of Group Delphi and its ability to create dynamic experiences for an impressive roster of clients. Adding Group Delphi's team, capabilities, and Midwest/international facilities to the Sparks portfolio represents our first effort to 'play offense' during a difficult time for our industry. We are confident that it will not be our last," Scott Tarte, Sparks CEO.