Portland Private Investigators
Overview
Cornerstone Investigative Services, Inc provides private investigator and private detective services throughout Oregon and nationwide. Investigations are conducted by professional, licensed private investigators and research analysts that are experienced in getting the answers or information you need. We offer a FREE discreet telephone consultations. We can answer most questions you may have about hiring a private investigator. Please call us today at (503) 575-2836 to speak with one of our investigators.