The company was purchased by Nabisco in 1963. The Welch family of products changed hands a few more times, going from Nabisco to Warner-Lambert (in 1988) then to Tootsie Roll in 1993.
In 1963, the company was acquired by Nabisco. The Welch family's products were sold multiple times thereafter, passing through Nabisco, Warner-Lambert (in 1988), and finally to Tootsie Roll in 1993.