National SIU Email Format
Security and InvestigationsIllinois, United States2-10 Employees
National SIU is a private security and investigations firm based in Schaumburg, Illinois, offering investigative solutions for private individuals and corporate clients. The company specializes in surveillance and covert investigations, aiming to produce results with evidence and strategies that align with industry expectations, and it claims the ability to cover coast to coast through a network of investigative specialists. With a focus on providing detailed findings, the firm serves clients seeking dispute resolution, risk assessment, or corroborating information, across a broad geographic scope. The organization operates in a niche of professional investigations and is positioned to support clients needing discreet, efficient investigations delivered with practical outcomes.