Your Trusted Partner In Industrial & Construction Supplies
At MDJ Supply LLC, we are committed to providing top-quality industrial and construction supplies to professionals across various industries.
Who we are
Leading wholesale distributor
We offer a comprehensive range of essential products, including:
Plumbing & Heating Supplies
- HVAC & Mechanical Equipment
- Safety Gear & Protective Equipment
- Electrical Components
- Pipes, Fittings & More
Our dedication to quality and service ensures that our customers receive the best products to meet their project needs efficiently and reliably.
Giving Back to a Greater Cause
At MDJ Supply, we believe in making a difference beyond business. That’s why 1% of our gross sales goes directly to the For Kids’ Sake Foundation in support of pediatric cancer research. Inspired by the courageous journey of Malia Jusczyk, we are proud to stand with young warriors battling cancer. Learn more about this meaningful cause at forkidssakefoundation.org.
Our Products
Stay protected on the job site with essential safety gear, including vests, gloves, and eye/ear protection. Designed for compliance and comfort. Reliable protection for daily construction hazards.
MDJ Supply provides a reliable range of copper tubing and steel pipe for plumbing and mechanical installations. Our valves and fittings ensure secure flow control and leak-free connections. Built for commercial-grade performance.
We stock a wide variety of fasteners in multiple finishes, including plain, zinc-coated, hot-dip galvanized (HDG), and stainless steel. Choose from bolts, nuts, washers, rod, and coupling nuts. Suitable for all construction and mechanical needs.
Label your piping systems clearly with pipe markers and valve tags. Ensure quick identification and improve workplace safety and maintenance. Available in various colors, sizes, and materials.
Install piping through walls and slabs with waterstop, tin, plastic sleeves, or link seals. Our pipe sleeves help prevent leaks and protect pipes from movement and vibration. A must for penetrations in concrete and masonry.
Keep your job site or facility clean and stocked with our janitorial essentials, including paper products, bottled water, and cleaners. Ideal for daily maintenance and worker support. Reliable, bulk-available supplies.
