Final answer:
FedEx Ground operates under multiple DOT numbers for various subsidiaries and divisions. These numbers are critical for adherence to transportation regulations and safety oversight.
Step-by-step explanation:
FXG, or FedEx Ground, operates under multiple DOT (Department of Transportation) numbers because it is a large company with numerous subsidiaries and divisions. The exact number of DOT numbers FedEx Ground operates under can vary as the company grows and changes its structure. DOT numbers are unique identifiers used by the United States Department of Transportation to monitor and collect safety information for commercial vehicles that transport cargo or passengers. These numbers are crucial for compliance with regulations and safety monitoring.