PennPIRG, the Pennsylvania Public Interest Research Group, is a state-based, citizen-funded advocacy group that promotes the public interest. PennPIRG, the Pennsylvania Public Interest Research Group, is a state-based, citizen-funded advocacy group that promotes the public interest. PennPIRG is a Pennsylvania-based non-profit and non-partisan organization that advocates for the public interest. We speak out for a healthier, safer world in which we’re freer to pursue our own individual well-being and the common good. The problems we address aren’t progressive or conservative — they’re just problems that no one should tolerate in an age of great abundance and technological progress. That’s why we're working to find common ground around commonsense ideas and deliver real change.