Make 3D your number one choice for construction products.


About Us


Experienced and Reliable

3D Building Supplies, LLC is a woman owned small wholesale distributor.  

With over a decade of experience, our team is here to help you find the supplies and tools you need to get the job done. 

Laura Prizzi, President and Owner

Quality Products

Products for new construction or renovation from commercial to multi-unit residential buildings, bridges, tunnels,  and the water/wastewater industries. 

Epoxy, caulking, grout, waterproofing materials, gloves, goggles, exapansion joints and anode assemblies for supports are just a few of the items we can ship directly to your job site.

Certifications - We are the best supplier to fill your jobsite needs as well as fulfill various participation requirements.

  • MBE, DBE, SBE in Maryland
  • LSBRP, and MDF in Montgomery County
  • MBE in Prince Georges County
  • DBE, SWaM, SBE, WBE, & Micro in Virginia
  • WBE in Deleware
  • WBE in District of Columbia, including WMATA and SLBE for WSSC.

Previous Projects

Key Bridge


Our firm supplied gunite used to repair the bridge.



Our firm supplied expansion joins for repairs within the METRO tunnels.

MGM Casino in Landover MD


Our firm supplied caulking.

Ravens Stadium


Our firm supplied caulking and sealants for repairs to the football stadium in Baltimore. 

Contact Us or Mike @ 301-802-5171

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Our prices are competitive, and we ensure timely delivery to your site. Our partners are friendly and will assist you with every order. 

3D Building Supplies, LLC

18222 Flower Hill Way, #161 Gaithersburg, MD 20879

For Order assistance call 301-802-5171


425120, 423320, 423840, & 424690