Co-Location.com
   Worldwide colocation facilities of Level(3).
   http://www.colocation.com/

Co-location versus Dedicated Web Hosting
   Discusses the pros and cons of choosing either co-location hosting or dedicated web hosting.
   http://www.webmasterstop.com/tutorials/choosing-colocation-dedicated.shtml

ColoSource.com
   Colocation directory around the world.
   http://www.colosource.com/ix.asp

Colocation Explained
   Explains what colocation is.
   http://www.webmasterstop.com/38.html

Colocation Hosting Guide
   Offers advice on server colocation, its pros and cons, considerations and comparisons with other hosting solutions.
   http://www.hostpronto.com/article/27

ColocationConnect Colocation Directory
   Find a datacenter facility using the free colocation directory guide in cities across the United States, Canada, the United Kingdom and Australia.
   http://www.colocationconnect.com/

Dedicated Server Co-Location Server Managed Server
   We offer wide range of web hosting services including dedicated server,co-location server,managed server,server setup,server administration and monitoring,security setup,linux web hosting,windows web hosting,corporate business email solution
   http://www.hostdedicatedservers.com/

VeraCom Offshore Services
   Offers secure high-speed Offshore Colocation from Costa Rica.
   http://www.veracom.co.cr