Castlerea's major employers include Harmac Medical Products, Colour Communications Europe, Finola Foods and John Murphy (Castlerea) Limited, Irelands Largest Supplier of Fasteners and Fixings. A Film Production House, Round Edge Films is based in Ballingare near Castlerea.

Harmac Medical Products Ltd.
Phone: 353 94 9621515
Fax: 353 94 9621520

Colour Communications Europe
Phone: 094 9621000
Fax: 094 9621007
Email: ccebv@iol.ie

J. Murphy (light engineering)
Phone: 094 9620182

Finola Foods
Phone: 094 9620344