If you mean the National Guard, it is overseen by the National Guard Bureau, who is under the Dept. of the Army who is under the Dept. Of Defense.
The US Patent and Trademark Office is part of the Department of Commerce.
Treasury Department
The ones that celebrate Veterans Day
The United States Department of Labor is the division of government that oversees workplace injuries. When a person applies for disability payments, this is the department of the government that will review the claim.
The Department of Transportation. The Coast Guard is a part of this department in peacetime.
The Justice cabinet oversees federal laws making sure that they are aimed to protect the public and to promote competitive business practices implementing: immigration and naturalization statutes, consumer safeguards and criminal prosecutions. The Justice Department's authority also oversees the FBI.
Department of Justice
Department of Justice
news editor
Department of the Treasury
http://www.answers.com/topic/us-department-of-defense
The personnel department is the department of a company that oversees all employees. If you have problems with your benefits, they will help you.