Oak Ridge Cockers - Platteville-based breeders of rare-colored American Cocker Spaniels.

Oakbrook Corporation - Real estate property management, leasing, development, brokerage and consulting.

The O'bros - Local band plays R&B, rock, jazz, etc.

Obsession Telescopes - Sells large aperture Dobsonian telescopes.

OD TAPO IMI Steel Drum Band - - This eight member Madison ensemble holds live performances and also has released three albums. The large sound files are worth the download time.

O'Keeffe Middle School - For 6th, 7th and 8th graders, formerly known as Marquette Middle School.

Old Cabin Internet Services - Web designer specializing in pages for resorts, campgrounds and recreation areas.

Old Market Place Neighborhood Association - In the Madison isthmus on the shores of Lake Mendota.

Olille Designs, LLC - We design successful, well organized, easy to navigate, memorable, and surprisingly affordable Web sites.

Olson, Michael J., Freelance Photographer - Fashion and commercial photos (also works for Hyperion Studios).

Omega School, Inc. - Individualized basic skills instruction for helping adults obtain a GED, teaching English to speakers of a foreign language, reading programs and other community programs.

Omni Resources, Inc. - Our name defines our business.

On Task Technologies - Scanning, photography, graphic arts and web design, based in Mount Horeb.

On Wisconsin - The online page for the Milwaukee Journal-Sentinel.

OneTen Madison - Contemporary art gallery run by artists in Madison.

The Onion - - Local newspaper makes the big-time, publishes such hard-hitting investigative journalism as "Terrorist Bombing Damages Bob Dole's Outer Hull" and "Clinton Deploys Vowels to Bosnia."

ONline Wisconsin - Electronic news publication of the UW-Madison School of Journalism.

Opera for the Young - Opera for the Young brings live, prefessional opera to elementary school audiences.

Opportunities, Inc. - Provides services to individuals for the purpose of maximizing their success and enhancing their abilities to be independent, contributing members of the community.

Optavia Corporation - The source for usability research and consulting in e-commerce.

Open Book Inc - Document imaging solutions for business and government.

Options in Community Living, Inc. - Private non-profit organization in Madison providing residential support services to individuals who have developmental disabilities.

Orange Tree Imports - A specialty shop featuring an incredible combination of cards, cookware, cutlery, candy, cuddly (stuffed) critters, and more.

Orchid Photo & Design - - A complete photography and graphic design studio, offering services in wedding, commercial, business, stock, and assignment photograpy as well as graphic design, website design, and photo restoration.

Oregon School District -

Oriel Incorporated - Dedicated to helping organizations improve business performance.

Orion Advertising - Local ad agency, home of the Creative Commandos.

OrionWorks - Art, graphics, UFO info, web design (easier to see than explain).

Orkin Farm Fly Control online - The Orkin agribusiness web site.

Oscar Mayer - - This links to the Kraft Interactive Kitchen, featuring lots of Oscar links!

Oscar Rennebohm Library, Edgewood College -

Otto's Restaurant and Bar - Mediterranean-inspired cuisine and Angus steaks, on the west side.

Our Voice - Weekly online polls about politics, movies and more. Based in Madison.

Owens, Jennifer, Realtor - This site offers award-winning real estate services, informative links, and free reports.