The list of companies who use Node.js in Japan
| Name | Website | GitHub | What we do with | 
|---|---|---|---|
| Your company name | http://example.com | @nodejsjp | It would be better to write the concretes. | 
| bitbank, inc | https://bitbank.cc | @bitbankinc | ALL (Web Service, Backend Job, Angular building, Bitcoin and Cryptocurrencies) | 
| Minkore | https://minkore.funa.in.net | N/A | Migrating to Firebase Cloud Functions (Vue.js + Firebase SPA) | 
| Recruit Technologies | https://recruit-tech.co.jp/ | @recruit-tech | Server Side Rendering, Frontend tool, Push notification platform, etc see: http://yosuke-furukawa.hatenablog.com/entry/2016/12/01/175446 | 
| Yahoo Japan Corporation | https://www.yahoo.co.jp/ | @yahoojapan | Many properties are running with Node.js | 
| HANDS LAB INC. | https://www.hands-lab.com/ | @hands-lab | Internal CRM Web Apps are running with Node.js | 
| Kaizen Platform, Inc. | https://kaizenplatform.com/ | @kaizenplatform | Few back-end services and front-end tools | 
| DWANGO Co., Ltd. | http://dwango.co.jp/ | @dwango | Server Side Rendering, front-end tool and some API servers. | 
| freee K.K. | https://www.freee.co.jp/ | @freee | front-end tool and back-end services. | 
| SOBA Project,Inc. | https://cloud.soba-project.com/ | N/A | Some microservices using Express and Socket.io. | 
| L is B Corp. | https://l-is-b.com/ja/ | @lisb | Few back-end services. | 
| airCloset, Inc. | https://air-closet.com/ https://pickss.jp | @aircloset | Almost ALL (Web Service, Backend Job, Server Side Sendering, UI Test, React and React Native Buildings, Frontend tools.) | 
| Open Web Technology | http://openweb.co.jp/ | @openwebtech | Almost all of TechFeed | 
| Eiwa System Management, Inc. | http://www.esm.co.jp/ | @esminc | Few back-end services and front-end tools. | 
| Nota, Inc. | http://notainc.com | @nota | Front-end tools and back-end services. | 
| Bertrand Co. | http://bertrandco.com/ | @bentoandco | Back-end and Front-end through Meteor | 
| Zens, Inc. | http://www.zens.tokyo | @zenstokyo | Full-stack Node. | 
| CyberAgent, Inc. | https://www.cyberagent.co.jp/ | @cyberagent | back-end services of community apps and games. | 
| Weblio, Inc. | https://www.weblio-inc.jp/ | @weblio | Front-end tools and back-end service for eikaiwa | 
| Tokyo Otaku Mode Inc. | https://corporate.otakumode.com/ | @tokyootakumode | Front-end tools and back-end service for Tokyo Otaku Mode | 
| PrAha Inc. | https://www.praha-inc.com/ | @praha-inc | We develop most of our back-end services with Node.js + TypeScript. Some of our works can be found here | 
| NightLamp LLC | https://nightlamp.dev/ | @nightlamp-llc | Node.js and TypeScript are used in many of our products. (Order Development Services โ, Automatic lock IoT service ๐) |