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

Registration Headquarters
Provides custom registration and database solutions for conferences and trade shows.
http://www.rhq.com/

Automated Registration Services
Provides lead retrieval and registration tools for event managers.
http://www.a-r-s.net/

The East Coast Conference on Astronomical Imaging
Agenda, registration, and exhibitor registration.
http://pennastroimaging.com/eccai/

Pacificnic
Free .com domain name search. .com domain registration at $12.95. Web hosting, e-mail and e-commerce.
http://www.pacificnic.net/

Laser Registration
Provides registration, housing, lead retrieval and a host of other services to event organizers.
http://www.laser-registration.com

Registration Control Systems (RCS)
Registration Control Systems has been providing comprehensive registration services for all tradeshow registration needs since 1971.
http://www.rcsreg.com

OpenSRS
Open Shared Registration System is a cooperative SLD Registration service managed by TUCOWS.com Inc.
http://resellers.tucows.com/opensrs/