From the Philadelphia Office of Arts and Culture web site -
The Philadelphia Office of Arts and Culture is the City's designated Local Arts Agency and supports the interests and concerns of the City's cultural community and advocates on its behalf. Some of the programs currently coordinated by and associated with the Office of Arts and Culture are described below.
The Art Commission
Art in City Hall
Student Exhibition Program
Calendar of Events
Arts in Education
Percent for Art Program
Sculpture Conservation and Collection Management Program
Philadelphia Festival of the Arts, Inc./Marian Anderson Award
The Philadelphia Cultural Fund
More information here.