Law enforcement agencies similar to or like United States Mint Police

Federal law enforcement agency under the U.S. Department of Homeland Security. To protect the United States from the cross-border crime and illegal immigration that threaten national security and public safety. Wikipedia

Financial intelligence and enforcement agency of the U.S. Treasury Department. It administers and enforces economic and trade sanctions in support of U.S. national security and foreign policy objectives. Wikipedia

Symbols of the United States Department of the Treasury include the Flag of the Treasury Department and the U.S. Treasury Seal. The seal actually predates the department itself, having originated with the Board of Treasury during the period of the Articles of Confederation. Wikipedia

Federal law enforcement agency under the Department of Homeland Security charged with conducting criminal investigations and protecting U.S. political leaders, their families, and visiting heads of state or government. Part of the Department of the Treasury, as the agency was founded in 1865 to combat the then-widespread counterfeiting of U.S. currency. Wikipedia

List of U.S. state and local law enforcement agencies — local, regional, special and statewide government agencies of the U.S. states, of the federal district, and of the territories that provide law enforcement duties, including investigations, prevention and patrol functions. In addition, the Attorney General's office of each state may have their own investigators. Wikipedia

Interagency law enforcement training body for 105 United States government federal law enforcement agencies. To "...train those who protect our homeland" . Wikipedia