Shigiya manufactures and sells metal machine tools, primarily cylindrical grinders, universal grinders and specialized machinery. We offer customized solutions to meet the diverse needs of our customers, whether they are in the automobile, electronics, IT or other businesses. 
| Company name | SHIGIYA (USA) LTD. website |  |
|---|---|---|
| Established | July 1990 | |
| Capital | US$ 400,000,00 | |
| President | Norikazu Shigitani | |
| Address | 406 Diens Dr., Wheeling, IL 60090, USA | |
| Core business | Sales and service of Shigiya products |
| Company name | Grand Seiko Co., Ltd. website |  WR-5100K Binocular Auto Refractor/Keratometer |  GS-C200 3D Patternless Lens Edging System |
|---|---|---|---|
| Established | February 2, 1974 | ||
| Capital | 10 million yen | ||
| President | Setsuko Shigitani | ||
| Address | 12-19 Kashima-cho, Fukuyama City, Hiroshima, 720-0091 Japan | ||
| Core business | Production, sale and export of lens edging and ophthalmic medical equipment | ||
