[3] Around 1876, they expanded their repertoire to include the manufacturing of chain blocks, electric hoists, cranes, and testing machines, establishing themselves as pioneers in the crane-building sector in the United States.

[5] In the early 20th century, the company intensified its international presence and entered the global market through partnerships, mergers, acquisitions, and joint ventures with other industry peers.

By 1929, Yale & Towne became the largest locks and door closer manufacturer in the world, and established an exclusive showroom for its products in the newly built Chrysler Building in New York.

[10] The company started the manufacture of rifle grenades, pumps, fuse-setters, cavalry bits, fasteners, buckles, as well as special parts for mines and gas nozzles for the United States Government.

[11][12][13] As part of their business expansion, Yale entered the British market by acquiring H&T Vaughan, a well-established lock manufacturer located in Wood Street, Willenhall.

Subsequently, British Yale ventured into the early motor industry, supplying locks to various manufacturers, particularly following the introduction of the cost-effective diecast-based leaf tumbler technology.