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Waicrew Inc.

Waicrew Inc

Our favorite method is "Symbol#to_proc".


ClearCode Inc.

ClearCode Inc.

ClearCode provides high technology about free software such as Ruby, Mozilla Firefox/Thunderbird and so on.


Media Technology Labs, Recruit Co., Ltd

Media Technology Labs, Recruit Co., Ltd

The Media Technology Labs is an application research development institute established by Recruit Co., Ltd


Contents One Inc.

Contents One Inc.

We had 20+ seminars of RoR for 4 years, will continue walking with Ruby & Rubyists. And, Social Apps is our another theme in 2010.


Enishi Tech Inc.

Enishi Tech Inc.

Enishi Tech Inc. is a small software company. Enishi implies relationship, link, bond, fate and chance.

We value Enishi and Technology.


Kakaku.com, Inc.

Kakaku.com, Inc.

We provide the internet media such as kakaku.com, tabelog.com and other services that support consumer choice in many aspects of life.


ANTAS, Inc.

ANTAS, Inc.

ANTAS, Inc. is a system development company in Sapporo, Japan.

We aggressively use Ruby for CMS, magazine publishing system, ImageCruiser and so on.


TEMONA Co. Ltd.

TEMONA Co. Ltd.

TEMONA is selling a unique E-commerce ASP service called "Tamago Cart". Of course, all services are made in RoR.Looking for staff!


PeX, inc.

PeX, inc.

PeX is one of the largest online point exchange services in Japan.


Towersquest Inc.

Towersquest Inc.

We are Towersquest Inc. providing solutions for business. Less time on nonessential repetitive tasks, more time on your core business.


Cuon Inc.

Cuon Inc.

Cuon Inc. has specialized in business systems by Ruby on Rails. We have designed and developed agilely the business value for our clients.


Rabbix Ltd.

Rabbix Ltd.

Rabbix is a web service provider in Fukushima city of Fukushima pref.

Currently, we provide mainly safety confirmation system.


R-learning

R-learning

Our company is a system integrator that focun on Ruby on Rails and the android development.we excel in collaboration services development.


Rakuten, Inc.

Rakuten, Inc.

The largest e-commerce company Rakuten provides the great place for ruby and OSS engineers with potential to change the world.


FUJITSU SOCIAL SCIENCE LABORATORY Ltd.

FUJITSU SOCIAL SCIENCE LABORATORY Ltd.

Fujitsu SSL provides the solutions that all business need,named PoweredSolution.


Everyleaf Corporation

Everyleaf Corporation

We develop Rails apps and help you develop them too. Our name "Everyleaf" comes from "Man'yoshu", the oldest collection of Japanese poetry.


EY-Office Ltd.

EY-Office Ltd.

http://www.ey-office.com/


tmix

tmix

tmix lets you create your own shirts online and then share your designs to other users.


Hokkaido Information University

Hokkaido Information University

HIU caters to the future needs of information society by promoting original research and creating comprehensively educated IT specialists.


ScaleOut Inc.

ScaleOut Inc.


EC-One, Inc.

EC-One, Inc.

EC-One works on the development of Ruby on Rails to achieve customer's business more low-cost and speedily.


Top Studio Co., Ltd.

Top Studio Co., Ltd.

TOP STUDIO is a one-stop solution provider for translating and editing documents for IT publications. We produce about 90 books yearly.


Nakataka Co.,Ltd.

Nakataka Co.,Ltd.

It is Nakataka Co.,Ltd.. We manufactured "Ruby on Matsue ramen". It contributes to development and the spread of Ruby.


Tatsu-zine Publishing

Tatsu-zine Publishing

Tatsu-zine Publishing is Japanese ebook publisher like PragProg or Peepcode. If you want to sell your Ruby-related documents, contact me :)