Crescent McConnell Supply delivers top-quality electrical, plumbing, and HVAC products to contractors, businesses, and homeowners across the Marietta, OH region.
From small residential jobs to large commercial projects, we carry the inventory and expertise to keep your work moving forward.
Complete electrical supply solutions including wiring, panels, conduit, breakers, lighting, and commercial/residential components.
Full-line plumbing supplies for residential, commercial, and industrial applications — from pipes to fixtures and everything in between.
Heating, ventilation, and air conditioning supplies to keep commercial and residential systems running at peak efficiency.
Crescent McConnell has been our go-to supply house for years. Their inventory is always well-stocked, and the staff genuinely knows their products.
Fast service, competitive pricing, and a team that actually helps you find what you need. Our plumbing crew wouldn't use anyone else.
The HVAC section is incredibly well-stocked. They always have what I need in stock, and their knowledge of the products is second to none.
Serving the Marietta region with integrity and expertise
Crescent McConnell Supply LLC is a locally-owned and operated electrical, plumbing, and HVAC supply company based in Marietta, Ohio. As a proud member of McConnell Holdings, we are committed to providing top-tier products and unmatched service to the contractors, businesses, and homeowners of the greater Marietta region.
Our team brings deep product knowledge and a genuine commitment to getting you the right materials — on time and at a fair price. Whether you're a seasoned contractor managing a commercial build or a homeowner tackling a renovation, we have the inventory and expertise to keep your project on track.
Located at 1100 Greene St., Marietta OH, we welcome contractors, businesses, and walk-in customers.
President
Founder and president of McConnell Holdings, bringing decades of industry leadership to Crescent McConnell Supply.
President
Oversees daily operations and ensures our customers receive the highest standard of service and product quality.
Management
Handles key customer relationships and ensures our product lines stay current with industry demand and innovation.
Honest, transparent service in every transaction — always.
Deep product knowledge across electrical, plumbing, and HVAC.
Fast service so your project never waits on supplies.
Only stocking products that meet professional-grade standards.
Proudly Marietta-based, serving our community first.
Consistent availability and a supply chain you can count on.
Comprehensive supply solutions for every trade
From small residential repairs to large commercial builds, we stock the products and expertise your project demands.
A comprehensive range of electrical materials for residential, commercial, and industrial applications. We stock everything an electrician needs — from wire and conduit to panels, breakers, lighting, and low-voltage systems.
Full-service plumbing supply for new construction, renovation, and repair. Our plumbing inventory covers everything from rough-in materials to finished fixtures for all project scales.
Everything needed to install, maintain, and service heating, ventilation, and air conditioning systems in residential and commercial environments.
Browse our extensive inventory of electrical, plumbing, and HVAC supplies
Industry-leading manufacturers across all three divisions
Panels & Breakers
Distribution Equipment
Wiring Devices
Electrical Products
Wire & Cable
Electrical Systems
Wiring & Lighting
Wiring Devices
Faucets & Fixtures
Faucets & Fixtures
Water Heaters
Valves & Controls
PVC & CPVC
Fittings & Valves
Press Fittings
DWV & Accessories
Controls & Thermostats
HVAC Equipment
Heating & Cooling
Climate Controls
Registers & Grilles
HVAC Test Tools
We're ready to help with your supply needs