About Us

Donnelly Bros Inc was started in 1981 by Billy & Susie Donnelly in Berkley, Michigan. For 30 years, we have been happy serving the injection molding community all across the US and Canada.

Billy Donnelly
Customer Service Representative

Billy and the entire Donnelly Bros Inc Team pride themselves on providing top-quality products and friendly, personal service to their customers, many of whom have been with Donnelly Bros Inc since the beginning!

James Donnelly
Customer Service Representative

In 1994, Billy moved Donnelly Bros Inc's main office to its present location in Laurens, South Carolina.