- Stiegler - From modest beginnings it is now one of the leading companies specialising in natural stone.
- Stilmarmo - Offer blocks, slabs, semi-finished products, modular tiles, flooring, rustic stone, kerbstones and more.
- Stone Deals - Suppliers of natural stone tiles includes travertine, marble, limestone, slate wall floor tiles for bathrooms and kitchens.
- Stone Developments Ltd - Leading producer and supplier of architectural and monumental stonework and is the largest exporter of Irish limestone.
- Stylmar - Stands for quality throughout building on traditional methods, this firm garantuees an excellent service and an impeccable finish.
- Tarmac CZ a. s. - Tarmac CZ a. s. is one of the biggest producers and suppliers of aggregates in the czech republic.
- Topalidis SA - Topalidis SA is a manufacturer and exporter of Greek marble, white marble, greek white marble, natural stone.
- TORRE Marmores - A Portuguese company that specialized in ornamental stone manufacturing marble, granite and silestone. Based in Portugal.
- Toscoveneta - The official website of the Toscoveneta offer marble and granite blocks.
- Urmal - Urmal one of the oldest companies of the stone sector extracting and transforming marbles in Portugal.
- V.M.Kaldorf - V.M.Kaldorf offer natural stones, wall covers, stairs, ledges, frontages, massif works, tiles and tabletops are made from it.
- Valsecchi Marmi e Graniti SA - Offer local stones and stones coming from all over the world, kitchen counters, vanity tops, bathroom counters.
- Veneta Marmi - Veneta Marmi is the leader in marble and agglomarble manufacturing.
- Vimet srl - Vimet is a company traditionally related to the processing of stone and marble processing.
- Xiamen Chitrust - Supply all kinds of construction products especially project products, specializing in quarrying, stone design and fabrication.