About Us

Experienced in the stone industry for three decades, we have had the honor of working with America's leading architects, designers, installers, building contractors, dealers and distributors. Porto Slate Importers was created out of a passion to bring a durable unique stone that has never before been seen in the USA thus far.

VALONGO BLACK™ Slate is suitable for a multitude of applications giving our clients a cutting edge supreme 100% durable stone for their one of a kind projects.  VALONGO BLACK™ Slate can endure all elements!

Our vast knowledge and commitment to excellence of natural stone and its quality is what we have built our reputation on. Reliability and customer focus is our mantra.

We here at Porto Slate Importers are proud to be the EXCLUSIVE importers of VALONGO BLACK™ Slate and beyond excited to offer our slabs, tile and custom products to you. Porto Slate Importers, a brand new company with tremendous commitment and capability.