Firehouse Subs opened at 22556 Hwy. 249, Houston, on Sept. 27. The sandwich chain offers hot and cold submarine sandwiches with a variety of meats and cheeses on white or wheat bread. Salads, sides drinks and catering services are also available. Customers can submit orders online for pickup at a store location. 832-843-6205. www.firehousesubs.com The chain has store locations throughout the Greater Houston area, including in Cypress, The Woodlands, Spring and Conroe.