Worldwide Locations

GT Advanced Technologies worldwide headquarters is located in Merrimack, New Hampshire, approximately one hour north of Boston, Massachusetts. Our worldwide operations headquarters is located in Hong Kong. GT's polysilicon and PV business unit is based in Missoula, Montana and our sapphire materials business is based in Salem, Massachusetts. GT operates a facility in Santa Rosa, California where we develop high temperature annealing and sintering furnaces. Our ASF furnace and LED business is located in Merrimack. Our Merrimack facility is also the location of our  research and development and pilot production functions for a number of new technologies including Silicon Carbide and other advanced materials. We also currently have regional offices in Shanghai, Taiwan and Korea and we will continue to expand as the market develops.

HEADQUARTERS

USA - Worldwide
GTAT Corporation
243 Daniel Webster Highway
Merrimack, NH 03054 (USA)
Phone: +1 603.883.5200
Fax: +1 603.595.6993
Email: info@gtat.com

HONG KONG - Operations
GT Advanced Technologies Limited
13/F, Tower 2
The Gateway, Harbour City
25 Canton Road
Tsimshatsui, Kowloon
Hong Kong
Phone: +852 2153 0858
Fax: +852 2153 0859
Email: asiainfo@gtat.com

BUSINESS UNITS

ASF and LED Equipment 
GTAT Corporation
243 Daniel Webster Highway
Merrimack, NH 03054 (USA)
Phone: +1 603.883.5200
Fax: +1 603.595.6993
Email: info@gtat.com

Polysilicon and PV
GTAT Corporation

Missoula, Montana
101 E. Front, Suite 401
Missoula, MT 59802 (USA)
Phone: +1 406.532.0110
Fax: +1 406.728.6230
Email:
polysilicon@gtat.com

Sapphire Materials
GT Crystal Systems, LLC
35 Congress Street
Salem, MA 01970 (USA)
Phone: +1 978.745.0088
Fax: +1 978.744.5059
Email:
SapphireSales@gtat.com

 

REGIONAL OFFICES

CHINA - Shanghai
GT Solar (Shanghai) Co., Ltd.

3201-3203 Park Place
1601 Nanjing Road (West)
Shanghai, China 200040
Phone: +86 21 6288 7272
Fax: +86 21 6288 7660
Email: asiainfo@gtat.com
 

TAIWAN
GT Advanced Technologies
Taiwan Co., Ltd.
6F-10, No. 38, Taiyuan St.
Jhubei City, Hsinchu County
30265, Taiwan (R.O.C.)
Phone: +886 3 560 0111 x 6111
Fax: +886 3 560 0333
Email:
eric.hsu@gtat.com

KOREA
GT Advanced Technologies Limited
27F, West Center
Center 1 Building
67 Suha-dong, Jung-gu
Seoul, South Korea 100-210
Email:
asiainfo@gtat.com

 
 

 

 

 

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