This list is not exhaustive, but includes industries that can be directly impacted by changes in U.S. production and sales of motor vehicles. Below are definitions of these industries.
Some federal clearances for Sensitive Compartment Information (SCI) and other Special Access Programs (SAP) require a polygraph screening examination in addition to a Single Scope Background Investigation.
For a secret clearance in a national security position, the investigation requires agents to interview people who have lived or worked with the candidate at some point in the last seven (or more) years. There are four main types of security clearances for national security positions. These are confidential, secret, top secret (TS), and sensitive compartmented information (SCI).