Maryland State Government Section 8-201
§ 8-201.
  (a)   The Executive Branch of the State government shall have not more than 21 principal departments, each of which shall embrace a broad, functional area of that Branch.
  (b)   The principal departments of the Executive Branch of the State government are:
    (1)   Aging;
    (2)   Agriculture;
    (3)   Budget and Management;
    (4)   Business and Economic Development;
    (5)   Disabilities;
    (6)   the Environment;
    (7)   General Services;
    (8)   Health and Mental Hygiene;
    (9)   Housing and Community Development;
    (10)   Human Resources;
    (11)   Juvenile Services;
    (12)   Labor, Licensing, and Regulation;
    (13)   Natural Resources;
    (14)   Planning;
    (15)   Public Safety and Correctional Services;
    (16)   State Police;
    (17)   Transportation; and
    (18)   Veterans Affairs.