- Oaks Theater
- 310 Allegheny River Boulevard, Oakmont, PA, 15139
- Off The Wall Theater
- 25 West Main Street, Carnegie, PA, 15108
- Olive Or Twist & Upstairs Lounge
- 140 Sixth Street, Pittsburgh, PA, 15222
- One Oxford Centre
- 301 Grant Street, Pittsburgh, PA, 15219
- Open Up
- 3711 Butler Street, Pittsburgh, PA, 15201
- Original Oyster House
- 20 Market Square, Pittsburgh, PA, 15222
- Ormsby Park & Recreation Center
- 79 South 22nd Street, Pittsburgh, PA, 15203
- P*Town Bar
- 4740 Baum Boulevard, Pittsburgh, PA, 15213
- Palace Theatre
- 21 West Otterman Street, Greensburg, PA, 15601
- Park House
- 403 East Ohio Street, Pittsburgh, PA, 15212