North East Silicon Technologies, Inc.
NESTEC provides silicon wafer reclaim and wafer sales from 3
http://www.nestecsilicon.com/

Tygh Silicon Inc.
Tygh Silicon Inc. is a leader in supplying the semiconductor industry with high quality wafers. We carry all grades and diameters and offer a variety of industry services. Founded in 1985, Tygh Silicon Inc. is dedicated to providing the best Service, Quality, and Turnaround Time in the Semiconductor Industry. Our commitment to these ideals earned Tygh Silicon the honor of being named one of the 500 fastest growing companies in America by INC Magazine.
http://www.tysil.com/

Silicon Valley Microelectronics, Inc.
Provider of silicon wafers and wafer services.
http://www.svmi.com

Virginia Semiconductor
Silicon wafers and substrates manufactured by VSI - Virginia Semiconductor, Inc.
http://www.virginiasemi.com/

Komatsu Silicon America, Inc.
Komatsu Silicon America is a leading supplier of silicon wafer production. They produce silicon, provide 300mm silicon wafers, and manufacture ingots. Komatsu is a pioneer of the semiconductor industry and a global leader with high-quality silicon wafer products tailored to customers' needs.
http://www.komsil.com

Isonics Corporation
Offers isotopically pure silicon-28 to replace natural silicon in the production of wafers for computer chips. (Nasdaq: ISON).
http://www.isonics.com/

University Wafer
Silicon Wafers 25um to 10mm thick all types and dopants silicon single and double side polsihed and more including, GaAs, Ge, InP, SOI, GaN, Fused Silica, Quartz Wafers, Fused Silica and Quartz Wafers, Ge, ultra-thin si wafer, mechanical grade, prime grade, test grade, spin coating
http://www.universitywafer.com/

Si-Mat
Si-Mat Silicon Materials, Your european distributor of Silicon wafers (Prime,Monitor,Test,CZ and FZ), SOI Wafers and Special Services. Ask for your specification.Catering to the silicon, GaAs, Ge, InP, SOI, GaN, Fused Silica, Quartz Wafers, Fused Silica and Quartz Wafers, Ge, ultra-thin si wafer needs of fabs, equipment manufacturers, R&D houses
http://www.si-mat.com/

Epiwafer
semiconductor material,epi technical service,process control calibration,epitaxial,polished wafer,Silicon,compound,SIMOX wafer,fab,CMP
http://www.epiwafer.com/

Silicon Quest International
Silicon Quest International, Inc. is a first-rate supplier of bonded wafers, Silicon wafer, Oxidation services, Metallization, Thin SOI wafers, Float Zone wafers height High purity wafers in Santa Clara, California, Reno and Nevada.
http://www.siliconquest.com/