An early supplier of minor league balls, MacGregor stood alone, then merged with Goldsmith, then split off, then was purchased by Brunswick. The pic below is a handy visual reference of MacGregor and Goldsmith logos throughout the years.
- 1941 – Southern Association
- 1953 – Appalachian League, Evangeline League, Florida State League, Gulf Coast League, Georgia State League, Northern League, Southern Association, Tar Heel League, Tri-State League, Wisconsin State League
- 1965 – Eastern League, International League
- 1970 – Eastern League
- 1972- Gulf Coast League, International League
- 1974 – Southern League (replaced Rawlings)
- 1975 – Southern League
- 1979 – Carolina League
- 1981 – California League
- 1986-87 – California League
- 1988 – Southern League