John Deere was an American blacksmith and manufacturer who founded Deere & Company, one of the largest and leading agricultural and construction-equipment manufacturers in the world. Born in Rutland, Vermont, Deere moved to Illinois and invented the first commercially successful steel plow in 1837.

Deere & Company, doing business as John Deere, is an American corporation that manufactures agricultural machinery, heavy equipment, forestry machinery, diesel engines, drivetrains used in heavy equipment, and lawn care equipment. It also provides financial services and other related activities.