Hill International, Inc., trading under the ticker APGO, filed with the SEC on May 28, 2004, placing it among the earliest wave of modern blank check companies active in the mid-2000s SPAC market. The filing, bearing accession number 0000950136-04-001791, reflects the company's registration activity during a formative period for the SPAC structure before the vehicle gained mainstream institutional adoption. Hill International operates in the construction management and engineering services sector, with a focus on project management and construction claims consulting across global markets. Sponsor details associated with this vehicle are on record with the SEC. To access full filing history, sponsor profiles, deal timelines, and sector analytics for APGO and thousands of other SPAC-related entities, sign up for complete data on SpacDesk.