Who manufactures craftsman engines for the string trimmers?

Craftsman string trimmer engines are typically manufactured by various companies, but one of the primary manufacturers has been Husqvarna. Husqvarna produces a range of outdoor power equipment, including engines for Craftsman products. However, it's also important to note that Craftsman has been associated with different manufacturers over the years, so the engine source may vary depending on the specific model and production year.