Hill International, Inc., operating under the ticker APGO, appears in SEC records through a filing dated to 2004, per accession number 0000950136-04-001791. The vehicle belongs to an early generation of blank check companies that preceded the mainstream SPAC surge of the late 2010s and early 2020s. Hill International is associated with the construction management and professional services space, though sponsor attribution is not reflected in the available filing metadata. The 2004 vintage places APGO among a smaller cohort of special purpose vehicles active before robust regulatory frameworks had fully developed around the asset class. Sign up at SpacDesk for complete filings, sponsor data, and deal history on APGO and thousands of other SPACs across every vintage and sector.