Oddo Design
- Offers branding and interactive and print design.
- http://www.oddodesign.com/

Online Revolution Design
- Website design and graphic design agency specializing in full flash websites.
- http://www.onlinerevolutiondesign.com/

Oxygen Productions
- Web design company specializing in Flash presentations and animation, HTML design, digital video and graphic design.
- http://www.oxygen-productions.com/

Obj X
- Offers web-based applications development. Located in New York, United States.
- http://www.obj-x.com/

OmniSpear, Ltd
- Offers database-driven site development in CFM, Java, ASP and XML. Located in Ohio, United States.
- http://www.omnispear.com/

ObjectMania! Consulting, Inc.
- Offers web-based application and wireless development in Java, XML and C++. Located in Pennsylvania, United States.
- http://www.objectmania.com/

OLS Software
- Offers database-driven site development. Located in Israel.
- http://www.ols.co.il/index_en.shtml

Outlaw Web Designs
- Greater Houston-based design including, website, graphic and logo design, Flash, DHTML, e-commerce, programming, and networking.
- http://www.outlawwebdesigns.com/

Outpost North
- Offering custom technology, design, creative and technical services.
- http://www.outpostnorth.com/

Oscillator
- Australia-based web design services, including audio recording and mixing, e-commerce, with Flash and Shockwave animations.
- http://www.oscillator.com.au/

Oringe Design
- Developing animated web sites using Flash technology. Based in San Diego.
- http://www.oringe.com/

Omega Design Studio
- Web development and media company. Indianapolis, Indiana.
- http://www.4omega.com/

Outer Limit Studios, The
- Orlando Florida-based website design and hosting company. Offering HTML, PHP, Flash, graphic design, e-commerce, CD-ROMs, and corporate identity.
- http://www.tolsmultimedia.com/

OnlineBusinessUK
- Web design, multimedia, and branding. Located in Sudbury, England.
- http://www.obuk.com/

Orbit Media Studios
- Provides web design and development, ecommerce, Flash, and multimedia services. Based in Chicago, Illinois, United States.
- http://www.orbitmediastudios.com/

OakTree
- Offers design capabilities for the web, CD-ROM, streaming media and Flash designs.
- http://www.oaktree.com/

Orbital Pictures
- Designs in Flash and also creates IPIX interactive pictures.
- http://www.orbitalpictures.com/

Open-i Media
- Offers consulting, web and logo design, multimedia Flash and shockwave productions.
- http://www.openi.com/

Ozones
- Multimedia design done in HTML, Java and Flash.
- http://www.ozones.com/

One Degree East
- Offers web design and flash services.
- http://www.one-degree-east.co.uk/

OnTheWeb
- Web design in Dynamic HTML and Flash, domain name registration and hosting, database, e-commerce, and site maintenance.
- http://www.ontheweb.uk.com/