Your Direct Line to Premium Industrial Plumbing Materials
Wholesale Industrial Supply (WIS) is a leading supplier of residential, commercial, and industrial plumbing supplies, fittings, backwater valves, drains, and water heating equipment based in Western North Carolina.
Since our founding in 2012, we have focused on a simple mission: providing trade professionals with authentic brand-name plumbing products at true wholesale pricing, backed by knowledgeable customer support and rapid shipping.
Why Trade Professionals Choose WIS
- Wholesale Discounted PricingDirect-from-manufacturer savings passed right on to trade contractors and project managers.
- Same-Day ProcessingIn-stock orders ship quickly so your jobsites stay on schedule without costly delays.
- Professional Product KnowledgeOur team understands code requirements, pipe specs, and commercial drain configurations.
Who We Serve
We cater to diverse trade sectors requiring certified industrial plumbing and drainage components.
Residential Plumbers
Top-quality closet flanges, air gaps, shower drains, P-traps, and fixtures for residential remodels and new builds.
Commercial Contractors
Heavy-duty roof drains, floor drains, backwater valves, clevis hangers, and Zurn commercial products.
Industrial Facilities
Process piping fittings, well tank supplies, pumps, and water filtration systems for industrial plant maintenance.
DIY & Homeowners
Hard-to-find specialty replacement parts, faucet insulators, test caps, and air gap components delivered to your door.
Top Brands In Our Inventory
Ready to place a trade order?
Call our sales desk at 800-863-1367 or explore our extensive online catalog.
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