Company info

LEADSTONE USA INC®, is an quartz manufacturing company, that sells to distributors and fabricators. Our warehouse locates in Long Island City, New York.

Our main product is Quartz Slabs, we have the largest standard size slabs in the industry at 126” x 64”. Our material is composed of 93% natural Quartz and 7% resin which makes it the hardest and most durable stone on the market today. As supplier of Quartz stone, we also sell the highest quality marble.

In order to provide quartz products with best quality and service, Leadstone has offer a wide selection of products that are innovative, affordable, and accessible from a single supplier. Stain, heat and scratch resistant, Leadstone surfaces allowing you to design the perfect interior environment whether it’s a kitchen counter or a bathroom vanity top.