Apollo International an Allied Universal Company | 3,376 followers on LinkedIn. Now part of Allied Universal. For up to date information and jobs, please see the Allied Universal profile. | The story of Apollo International begins in the most unlikely of places – Vietnam in the 1960s. Dennis Crowley and Richard “Dick” Ryer met while on duty in DaNang. When Dennis’ tour ended in 1966, he and Dick pledged to do something together in the future.