National Business Investigations, Inc (NBI) areas of expertise. -Corporate investigations for business intelligence, counter espionage, personal and criminal background investigations. - Surveillance, Social Media scrubs, asset location, background investigation. - Investigations assisting individuals & law firms in personal and criminal cases, asset discovery / recovery, database research and due diligence -Insurance (AOE/COE, Workers Comp, Fraud) National Business Investigations, Inc (NBI) is a full service investigations firm. NBI Investigators provide clients with the most specialized investigative services throughout the United States by focusing on client needs and maintaining the highest standards of professionalism and integrity.