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1735 Feuereisen Ave.

Ronkonkoma, NY 11779

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Stonework Artisans

Unsurpassed attention to detail

When you come to Gem Marble & Granite Corp., you'll work hand-in-hand with our experienced artisans to achieve exactly the look you want. We pride ourselves on impeccable quality and attention to detail in every stone. Ask about our 10% veteran discount (with proof of service)!

A proud tradition of excellence

Gem Marble & Granite Corp. was founded over 25 years ago. Over the decades, we have grown on pure word-of-mouth from satisfied builders, architects, and customers. Some customers have been coming to us for 3 generations!  

The finest Italian-made machines

All of the large machinery at Gem Marble & Granite Corp. is Italian-made. This equipment has greater precision and is of higher quality than modern machinery - meaning your custom-crafted stone, marble, and tile will be of the highest quality.

A proud tradition of excellence The finest Italian-made machines Kitchen with black countertop Kitchen sink Gem Marble & Granite Corp. facility