
Jan 2012 - Sigma introduces the new Drop Wire Conduit Hanger
Nov 2011 - Sigma introduces the new Intersystem Bonding Bridge redesign
Oct 2011 - Paul Hirt , CEO & President resigns
July 2011 - Sigma introduces the DOUBLE SNAP® BX Connector
June 2011 - Sigma introduces a new Metal while-in-use cover
June 2011 - Sigma introduces a new Plastic while-in-use cover
March 2011 - Sigma introduces a Universal Ground Rod Clamp
Dec 2009 – Simplify installation of embedded conduit with Sigma's concrete slab elbow
Sep 2009 – Save labor with Sigma Electric's new line of snap-lock connector