Surrounded by highly productive farmland and served by good roads, the Pennsylvania Canal, and the Pennsylvania Railroad, Millerstown became a commercial hub for northeastern Perry County during the 19th century. At Cluck's Corner, on the southwest corner of Sunbury and Market Streets, a store operated continuously from at least 1878 until 2001. Thomas Cluck ran a general and dry goods store there until it was sold to T. P. Cathcart in 1833. Four decades later, D. W. Heefner acquired the business, then later turned it over to Blair R. Bice and Howard Swartz. The store thrived through the mid-1930s, when Bice became sole owner. Beginning in 1946, Dr.s Harold and Roy Gelnett operated it as Gelnett's Community store until Dr. Harold's death in 1952. Dr. Roy then continued with S.S. Lauver as managing partner under the name G & L Market. In 1965, Earl Eugene and Robert A. Sweger purchased the store and named it Sweger's Market. After Eugene's death in 1993, Sweger operated it alone until closing it in 2001. Other Millerstown businesses sold furniture, hardware, machinery, clothing, shoes, saddlery, meats and groceries, stoves, and tin ware. By the early 1900s, the borough had municipal water, fire protection, and electric and telephone companies. Stores began offering motorcycles, automobiles, electric appliances, and plumbing supplies, while hotels and restaurants prospered alongside carriage and automobile repair shops, funeral homes, warehouses, blacksmiths, barbers, dentists, hairdressers, dog-groomers, and printers. Family-owned businesses such as Sweger's Garage, J.P. Russell & Son, Inc., and Charles H. Burns, Inc. prospered and continued to do so.