Family Owned
Doyle Shamrock Industries was established in 1975 by Michael A. Doyle. Doyle Shamrock Industries is a full-service plastic injection molding and tooling corporation located in Holland Ohio. We have two manufacturing locations plus an off-site warehouse & distribution facility encompassing 200,000 square feet of space.
Our goal at Doyle Shamrock Industries is customer satisfaction! We are ISO/TS 16949:2016 quality certified, and we are ISO 14001:2015 certified (Environmental Management System).
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