| Company | Website | Phone | Map | ||||
|---|---|---|---|---|---|---|---|
| Company | Silicon Technology Co. Ltd. | Website | http://www.si-tech.co.jp/ | Phone | +81-3-3795-6461 | Map | |
| Company | Marubun Corporation | Website | http://www.marubun.co.jp/ | Phone | +81-3-3639-9965 | Map | |
| Company | ASK Corporation | Website | https://www.ask-corp.jp/ | Phone | +81-3-5215-5653 | Map | |
| Company | ADTEC Corporation | Website | https://www.adtec.co.jp/ | Phone | +81-3-3541-5080 | Map | |
| Company | Shinden Hightex Corporation | Website | https://www.shinden.co.jp/ | Phone | +81-3-3537-0101 | Map |