GPM Petroleum Files for $100M IPO - CSNews OnlineCSNews OnlineGPM Petroleum Files for $100M IPOCSNews OnlineAccording to the filing, GPM Investments has 502 convenience stores that sell motor fuel, merchandise, food, beverages and other products and services to retail customers in the Mid-Atlantic, Southeastern, Midwestern and Northeastern United States, ...New MLP to Emerge Through GPM IPOCSPnet.