Browse hundreds of leading brands and thousands of in-stock products.
Our line card below represents many of the manufacturers we carry at our Buffalo Grove, Northern Illinois location.
As rapidly as technology changes, we are always making additions to our line card to meet the needs of our market and those of our individual clients. If you're looking for a manufacturer name not listed, please contact us as we may already be carrying it in stock!
Anchors & Fastening Systems
Ballasts: Fluorescent & HID
Bending & Pulling Equipment
Boxes & Covers
Chemicals
Conduit & Cable Fittings
Conduit, Cable Tray & Raceways
Control & Distribution
Data & Communication
Electric Distribution Equipment
Electric Heat & Ventilation
Enclosures
Fire Alarms & Signaling
Fire Stopping
Fuses & Distribution Blocks
Generators
Metering
Tools
Transformers
Wire, Cable & Cord
Wiring Devices
The manufacturers we have partnered with represent the best in class within the electrical/lighting industry. Our manufacturer selection process helps ensure quality and consistency from our supply chain to final installation.
Connexion also provides the technical support you require for correct product selection to meet local building codes and complex installation needs.