After a number of mergers and acquisitions, in 1926 MMNB consolidated with the Chase National Bank.

[2] After approval from the Controller of the Currency the day before, on June 21, 1920, Mechanics and Metals and the Produce Exchange Union were merged.

With branches in Manhattan and a main office at 20 Nassau Street, the new consolidated institution was named Mechanics and Metals National Bank.

Combined capital, surplus, and profits of the new bank were approximated at $25,000,000, with deposits exceeding $200,000,000.

[3] Stockholders elected directors from both former institutions, including John E. Berwind of the Berwind-White Coal Mining Company, William H. Childs of the Barrett Company, Walter C. Hubbard of Hubbard Bros. and Co, Ambrose G. Todd of Reeves and Todd, and Gates W. McGarrah.