Ministery of Magic
executive: Cornelius Fudge

Department of Magical Games and Sports
Department head: Ludo Bagman
Members: The late Bertha Jorkins
Purpose: To organize and promote wizard games

Department of Magical Catastrophes

Department of Accidental Magic Reversal
Members: Arnold Peasegood
Purpose: To reverse spells and repair damage done by spells that went wrong.

Improper Use of Magic Office

Misuse of Muggle Artifacts Office
Members: Arthur Weasley, Perkins
Purpose: To prevent enchanted items from getting into the hands of muggles.

Committee Of Experimental Charms
Members: Gilbert Whimple
Pupose: To experiment with new charms or spells.

Department of International Magical Cooperation
Head: Formerly the late Bartemius Crouch Sr.
Members: Percy Weasley
Purpose: Sort of the foreign minister for the UK, keep peace among magical nations.

Department of Magical Law Enforcement

Department of Magical Transportation
Purpose: Regulate magic folk transportation. Organized portkeys and transportation for the quidditch world cup.

Department for the Regulation and Control of Magical Creatures
Members: Amos Diggorey
Purpose: To control and regulate magical creatures

Department of Mysteries
Members: Bode and Croaker, formerly Augustus Rookwood