Manufactures League was an Independent League that was based in Philadelphia, Pa
1918 B'ker S&P, Lewis, Link Belt, Monotype, Sellers, Stokes & S., U.G. I., Wheeler
1919 Bement, Franklin, Lewis, Niles-Pond, Olsen Stokes & S, U.G. I., Wheeler
1920 Barrett, Bement, General Electric, Hale & Kilburn, J T Lewis, Morris-Wheeler, Naval Aircraft, Niles Crane, Southwark, U. G. I.