At USIS, we provide vital information and support personnel that assist clients with critical workplace decisions, process control, and risk assessment. USIS combines leading-edge and proprietary technologies to manage essential programs for corporations, institutions, and U.S. interests here and abroad. USIS provides a broad range of capabilities including intelligence and risk management, national security related staffing and training, and background and drug screening solutions to assist clients in protecting critical assets, evaluating information, and mitigating risk. USIS uses and develops leading edge and proprietary technologies and employs dedicated and highly trained employees in all 50 states and overseas.

Political patronage. A vengeful assassin. A President's death.
Thus begins the story that eventually leads to the emergence of US Investigations Services (USIS) as the largest investigative services company on the North American continent.