The Prime Ministerial Limousine is the official vehicle used by the Prime Minister of Australia. The current vehicle fleet is a 2003 Holden Caprice which has been modified with security equipment by defence contractor Tenix. The Prime Ministerial and other Ministerial limousines are maintained by COMCAR a subdivision of the Department of Finance and Administration. The vehicles are often referred to in the media and the community as C1 which is the numberplate that the limousines feature. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
A:
Mean Of Transportation