Phillips 66 Aro Mart 3755 Harvester Rd, Saint Peters, MO63303 Phillips 66 Aro Mart is a gas station and convenience store combined. It has a separate area for diesel fuel so that…More trucks can pull in easily. The convenience store carries essential items, such as milk, bread, soda and basic food items. Tobacco products, beer and wine are also for sale. It is located on Harvester Road just off of Highway 94.