About us

Design Criteria, Inc., located in Nashua, NH, was founded in 1999 by Carl Belnap as a consulting firm. A few years later, assembly personnel were added as well as lathe and toroid winding equipement. We have extremely innovative skills and technical expertise. As a result, DCI has developed unprecedented high power density transformers. We have in-house capability to design printed circuit boards and mechanical assemblies. We want to help your team succeed in a cost effective manner.