PetroLiance LLC, formed last year through the consolidation of four of the nation's largest ExxonMobil distributors, has completed its first acquisition. The company has purchased Columbus-based AV Lubricants Inc.   ; AV Lubricants is a provider of lubricants to the aviation industry and to mining operations in Ohio, Kentucky and neighboring states.   ; PetroLiance has major facilities in Columbus, OH, the headquarters of AV Lubricants.   ; PetroLiance was formed in 2006 through the consolidation of Boncosky Oil Company of Chicago, IL, Commercial Ullman Lubricants Company of Ohio, Lubricant Technologies LLC of North Carolina, and Young Oil Company Inc. in south Florida. The company offers ExxonMobil products along with a growing array of ancillary products and services.