
Hyosung D&P Co., Ltd.Inch'on-jikhalsi, South Korea

ACS Industries, Inc.Rhode Island, United States

Columbiana Hi Tech LLCNorth Carolina, United States

Shiyan Taixiang Industry Co., Ltd.Hubei Sheng, China

Chow Tai Seng Jewelry Co. Ltd.Guangdong Sheng, China

Nippon Diamond Co., Ltd.

Jiangsu Subei Flower Co., Ltd.

Patek Philippe SAGenève, Switzerland

Fort Wayne Wire Die, Inc.Indiana, United States

Diabrasive International Ltd.

Carbodiam NV

Scio Diamond Technology Corp.South Carolina, United States