Founded in 1938 as a graphic arts company, Kalmus & Associates expanded into printed circuits by the early 1950's to become one of the main suppliers to Zenith and Motorola. Kalmus & Associates perfected processes and set new standards for single sided circuit board production.

In 1996, a 38,000 square foot facility was erected, and Kalmus & Associates transitioned into Aurora Circuits. Within five years, National Precision Circuits was incorporated into Aurora Circuits, dramatically expanding production capabilities and services.

After the integration of ITW Chronomatic (SP) Division in 2006, the use of Polymer Thick Film Resistors, Metal substrates and heavy copper deposition processes were added to the ever-expanding list of capabilities.

Over 50 years experience in manufacturing on site in Aurora, Illinois providing services in manufacturing high volume, heavy copper polymer thick film, thermal management & metal clad printed circuit boards.

Your key player in the global market, debt free manufacturing all in Illinois.