Kirby Edward R & Associates Inc

Tri County Investigations is a fully bonded, insured and state licensed investigative agency located in Hinsdale, Illinois. For almost 40 years, Tri County Investigations has proudly provided legal support services to both attorneys, and individuals throughout the state of Illinois. We pride ourselves on the notion that each and every document deserves the upmost attention to detail.

Hanrahan Investigations Group, founded in 1956 by Edward R. Hanrahan, is a distinguished private investigative firm based in Hillside, Illinois, boasting over 65 years of experience. The company is managed by John Hanrahan and Dain Anderson, who lead a team of skilled investigators, including former FBI agents and specialists in various technical fields, to meet the diverse needs of their clients in the corporate and legal sectors. Hanrahan Investigations Group offers a comprehensive range of services, including document preparation, surveillance, accident investigations, and corporate investigations. The firm emphasizes professional development by mentoring young investigators through partnerships with educational institutions, thereby ensuring a high standard of expertise in the litigation industry. Generated from the website