A-Space : anarchist organizing space in West Philly.
Wooden Shoe : anarchist bookstore and organizing space in South Philly
Lava Space : anarchist space for shows, a library, and more in West Philly
Philadelphia Industrial Workers of the World (IWW), based in West Philly
Philly Anti-Cap – facebook group
Mariposa Co-Op – West Philly co-op, also started by the Movement for a New Society