Tri-State Building Materials Co.
Passaic, New Jersey · Other / Unclassified Contact only
✓ verified live · Aug 2026
Tri State Materials Rock Stone Boulders Sand DG Flagstone. Tri State Materials offers the best looking rock and gravel around. They carry Decomposed Granite, Flagstone, Slate, Boulders, Cobble, Sand, Dirt, Mulch and Soils.
Email
Website
Site verified live
Yes
Secure (HTTPS)
Yes
Site copyright year
2026
Company type
Co.
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Compiled from tristatematerials.com and public sources — a free listing, never paid placement.