On Your Mark
Athletic event management, consulting, and timing company in northern California. Concept design, promotion, permits, participant registration, and finish line services.
http://onyourmarkevents.com/

MagazineLane
Magazine Lane is the America's magazine subscription supersaver since 1975. Buy online now!
http://www.magazinelane.com/

Summer Students at CERN
An illustrated article from a 1999 participant.
http://www.pvv.ntnu.no/~heidit/cern.html

RegNet - The Registration Network
Shopping cart and online credit card processing.
http://www.reg.net

Stinking Badges
Offers registration solutions including on-site registration and pre-registration.
http://www.stinkingbadges.com/

Landis International
A research and development management company specializing in agricultural compounds
http://www.landisintl.com

E-Presentations Pro
E-Presentations courseware management and e-learning system.
http://www.presentations-e.com

Benefits Group, Inc.
Non-qualified deferred compensation and executive benefit plans offering participant and plan administrator account portal
http://www.benefitsgroup.com

MediaTransfer AG
Market research on the internet. As a participant you evaluate such things as websites and products. Efforts are compensated with in-kind items (no cash).
http://www.mediatransfer.com/

ClimatePrediction.Net
Large-scale simulation where each participant is given one slightly different scenario to run. Those that successfully model past weather patterns will be more likely to accurately predict the future.
http://www.climateprediction.net/