Microwave Components, Inc. (MCI) in Dracut, MA is a small, veteran owned manufacturer of miniature air coils. MCI has proudly been delivering custom high Q, miniature air inductors to the Aerospace, Defense, Space and Hi-Rel markets since 1978. Materials include: bare and insulated gold, copper, silver, gold plated copper, nickel copper alloy and aluminum wire. Inductances from 1 to 1000 nH.