Top Electrical Wholesalers & LED Suppliers in Ontario
Featured Products

Substrates & Coil
Sign making panels & boards in acrylic, polycarbonate, aluminum composite, Channel letter coil & more.

LED & Electrical
LED Modules, strips and LED neon lights supplies including the exclusive line of spark module lights & accessories.

Tools & Accessories
Long lasting tools & accessories for manufacturing signage ranging from adhesives to CNC & hand tools.

Limited Time Deals
Browse our Limited Time Deals section for deals & to save on your everyday favourite brands & products! While supplies last

The SISupplies Way
At SI Supplies, we have always been driven by your success. Combining cutting-edge technology, industry expertise, and a commitment to excellence, we strive to be more than just a supplier—we’re a trusted partner in your business growth. For years, our slogan, “Driven by your success,” has reflected our core belief: when you succeed, we succeed. That’s why we provide superior-quality products at unbeatable prices, backed by a stress-free purchasing experience.
Every member of our team of industry specialists is dedicated to delivering not just the right products, but the right solutions—on time, every time. At SI Supplies, we operate on the principle of doing the right thing: for our customers, our employees, and the industry we serve. Because when we do the right thing, better business follows.
BETTER QUALITY
We source only the finest materials, ensuring superior quality.
We partner with trusted suppliers and rigorously evaluate every
product to meet the highest standards.
BETTER PRICES
By optimizing large-volume sourcing, we provide industry-
leading prices without sacrificing quality, delivering exceptional
value to our customers every time.
BETTER BUSINESS
Better quality and better prices mean more value for your
business. We’re here to help you grow, so you can focus on what
matters most—your success.






















