Thomas Stuart Chalmers

Thomas Stuart Chalmers (June 1816 – July 13, 1903) was an American businessman. A pioneer of Chicago industry, he founded Fraser & Chalmers, a precursor to Allis-Chalmers (now part of AGCO).

Chalmers was born in Dronley, Scotland, in June 1816. He emigrated to the United States around 1842 or 1843.

In 1872, Chalmers founded Fraser & Chalmers in Chicago. By 1880, the company employed over 170 workers. Frasers & Chalmers produced mining machinery, boilers, and pumps, becoming one of the largest mining manufacturing companies in the world by 1890.^[1]

Chalmers died at his home at 179 Ashland Boulevard in Chicago on June 28, 1903.^[2]

Chalmers' son William served as President of Allis-Chalmers.^[3]

The Chalmers School of Excellence in Chicago is named in honor of Thomas Chalmers.^[4]

• Allis-Chalmers

• Thomas Chalmers House at 315 South Ashland Boulevard, Connecting the Windy City blog
• The Men Behind The Allis-Chalmers Brand, The Badge Factory