Irby is a leading distributor of Electrical Supplies & Services. Our customers include Industrial, Commercial, Contractor, an ... d Utility businesses. As a Division of Sonepar USA, we ultimately are a part of our larger privately-held parent company, Sonepar. We represent all of the major Electrical Manufacturing Lines, such as, Rockwell Automation (Allen-Bradley), Square D, Siemens, & GE. read more