Modernization continued, No. 3 stack being rebuilt in 1897 and No. 5 abandoned. New Taws & Hartman stoves were fitted to No. 1 in 1898, and No. 3 in 1899. No. 4 was abandoned in 1902. The company began to reorganize its railroad interests, incorporating the line from West Catasauqua to Coplay as the Thomas Railroad on December 21, 1906. The line was leased to the connecting Ironton Railroad on January 1, 1908. Old stack No. 8, at Alburtis, was fitted with a Durham-style stove in 1910.