DuPont Zodiaq, CeasarStone, Hanstone, Silestone, Viatera:
DuPont™ Zodiaq®:
Engineered with pure quartz crystals, quartz countertops from DuPont™ Zodiaq® let you bring the best of both worlds – nature and science- to your kitchen, bath and throughout your home. Explore the drama and beauty of nature without sacrificing the performance of science. DuPont™ Zodiaq® quartz countertops are incredibly durable and resistant to heat and scratches.
DuPont™ Zodiaq® quartz surface is composed mostly of quartz, giving it exceptional toughness and a hardness of 7 on a scale of 10 (only diamonds rate a 10!).
The smooth, nonporous surface of DuPont™ Zodiaq® resists even the toughest spills and will retain its luster for many years without the need for sealants or waxes.
Zodiaq® quartz countertops can be cut and fit to meet exacting requirements, allowing you a wide range of design options.
DuPont™ Zodiaq® quartz countertops come with a ten-year limited warranty from DuPont.
For more information on DuPont™ Zodiaq® and colors please visit:
http://www2.dupont.com/Surfaces/en_US/products/zodiaq/index.html
Caesarstone®:

Caesarstone is globally recognized for its simplified fabrication and installation processes that enable cost-effective solutions. Due to the material’s outstanding durability, Caesarstone can be installed in thinner forms to save weight, or in larger sections to reduce the amount of joints on a surface. This enables even further money-saving features that customers happily applaud.
For more information on Caesarstone® and colors please visit:
HanStone® :
Natural quartz is one of nature’s hardest surfaces. In fact, it’s twice as hard as granite. HanStone Quartz is not only a high-performing surface, but is also a luxurious, durable, low maintenance surface product. It is Non-porous and requires no sealing. It’s lustrous surface requires no conditioning or polishing. It is heat, bacteria stain, chip and scratch resistant. HanStone has little to no maintanence. No other surface can match the combination of all these benefits. HanStone Quartz is designed for high-traffic areas and ideal for large living areas, kitchens and bath areas.
For more information on HanStone® and colors please visit:
Silestone®:

For more information on Silestone® and colors please visit:
Viatera® :

For more information on Viatera® and colors please visit:
http://www.lghausys.com/us/product/surfaces/whylg_viatera.jsp?tab=tab-1