Basho Technologies, Inc., founded in January 2008 by a core group of Software Architects, Engineers and Executive Leadership from Akamai Technologies, Inc. (NASDAQ:AKAM) is headquartered in Cambridge, Massachusetts.  Basho produces Riak, a distributed datastore that combines high availability, easily-scalable capacity and throughput, and ease of use. Riak's complete availability means that applications built using Riak remain both read- and write-available under almost any operational conditions and without requiring intervention.  Available in both an open source and a paid commercial version, Riak provides unprecedented read- and write-availability to web, mobile, and enterprise applications.

Ericsson is a world-leading provider of telecommunications equipment and related services to mobile and fixed network operators globally. Over 1,000 networks in more than 175 countries utilize our network equipment and 40 percent of all mobile calls are made through our systems. We are one of the few companies worldwide that can offer end-to-end solutions for all major mobile communication standards.

Through our Sony Ericsson Mobile Communications joint venture we offer a range of mobile devices, including those supporting multimedia applications and other services allowing richer communication.

We invest heavily in R&D and actively promote open standards and systems. Also reflecting our ongoing commitment to technological leadership, we have one of the industry's most comprehensive intellectual property portfolio containing over 23,000 patents.

Erlang Solutions was founded in 1999 in London to provide Training, Consulting, Contracting and System Development services in Erlang and OTP. Today, With offices in London, Uppsala and Krakow we serve clients on five continents. We employ a network of certified Erlang/OTP consultants, provide services to private individuals and blue chip companies alike and cooperate with universities in different research projects. We contribute a range of Erlang products to the open-source community, including the Erlang Web, we organise the Erlang Factory conferences in London and The San Francisco Bay Area, we provide additional community services through the TrapExit community website and we organise the London Erlang User Group Meetings and Erlounges.  We also annually sponsor Bachelor, Master's and PhD theses, presenting the results at international conferences worldwide and every summer invite students to undergo internships in the company to get familiar with the Erlang language and gain experience. 

Klarna was founded in 2004 and has since then become market leader in billing solutions that are adapted to e-trade in general and Internet sales in particular. Today we have more than 3000 customers. Klarna believes that the foundation in a company is it’s system, that's why we work with our own specially developed system that allows tailored solutions, and at the same time our experience in the branch creates a simple basis for business implementations. Klarna´s services are available in Sweden, Norway, Denmark and Finland. Klarna takes your risks and does your billing managment so that you can concentrate on your sales.

Hova Networks helps enterprises close the gap between their convergent  infrastructure and IP related applications to take advantage of Unified Communications. Our value proposition is to offer our clients and corporations an alternate solution to manage their convergent infrastructure that includes the following benefits:

• Lower acquisition and operating costs
• More functionality

We provide our clients, through subscription services, guidance regarding this IP revolutionary movement, providing them with our own proprietary technology and integrating solutions with highly recognized brands.As a company engaged in manufacturing its own technology, we offer corporations one solution to manage their convergent infrastructure with a Graphical User Interfaces (GUI) called Hova Manager.

ProcessOne delivers solutions that can be relied upon. We specialise in developing instant messaging servers that ensure consistently high performance regardless of the number of concurrent users. And that's what makes our solutions ideal for critical business applications. All our instant messaging products are based on the ejabberd platform, an open-source technology that is renowned in the industry for its stability, reliability and scalability. ProcessOne has been working with ejabberd since the technology's inception and has unrivalled expertise in building customised solutions based on the ejabberd platform.

Tired of writing and maintaining thousands of automated tests? And did you know that repeating tests finds only 15% of your bugs anyway? Let QuickCheck generate new tests for you daily, saving you effort and nailing your bugs earlier!

The Bitsource is an online publication and research lab with a primary focus on IT operations and Web development.

The Bitsource brings together best-in-class research, reviews, and most importantly; the people who make it happen.

GitHub is a web-based hosting service for projects that use the Git revision control system. It is written using Ruby on Rails by GitHub, Inc. (previously known as Logical Awesome) developers Chris Wanstrath, PJ Hyett, and Tom Preston-Werner. GitHub offers both commercial plans and free accounts for open source projects. According to the Git User's Survey in 2009, GitHub is the most popular Git hosting site.

The site provides social networking functionality like feeds, followers and the network graph to display how developers work on their versions of a repository.

GitHub also operates a pastebin-style site, wikis for the individual repositories and web pages that can be edited through a git repository.

Tracking change and innovation in the enterprise software development community.
 
InfoQ.com (Information Queue) is an independent online community focused on change and innovation in enterprise software development, targeted primarily at the technical architect, technical team lead (senior developer), and project manager. InfoQ serves the Java, .NET, Ruby, SOA, and Agile communities with daily news written by domain experts, articles, video interviews, video conference presentations, and mini-books.

O'Reilly Media spreads the knowledge of innovators through its books, online services, magazines, research, and conferences. Since 1978, O'Reilly has been a chronicler and catalyst of leading-edge development, homing in on the technology trends that really matter and galvanizing their adoption by amplifying "faint signals" from the alpha geeks who are creating the future. An active participant in the technology community, the company has a long history of advocacy, meme-making, and evangelism.

The QCon Conferences are organized by the community, for the community. As software developers and architects ourselves, we wanted to craft the ultimate conference that we would find outstanding, as attendees.

The result is a high quality conference experience where a tremendous amount of attention and investment has gone into having the best content on the most important topics presented by the leaders in our community, staged in an intimate environment with the best food and comforts needed to support as much learning and networking as possible.

The QCON conferences are taking place twice yearly, in London and San Francisco.