Certus Semiconductor is a cooperative effort of several  world leading ESD design and consulting companies.  We are a one stop shop bringing together the expertise and IP of our many partners and offering them as a packaged ESD solution.  Our partners offer silicon proven IP and solutions in the following processes.

TSMC:
250nm     180nm     130nm     90nm     65nm     45nm

IBM:
 90nm        65nm       45nm

Global-Chartered
65nm

Additionally, many of our partners have expertise and/or unpublished IP in the following Foundries:

Tower-Jazz
X-Fab
LFoundry

Certus's partners not only have a wide variety of IP, but with Certus you are guaranteed a service and support model equal to none.  We are not here simply to sell IP, rather we look at our customers as partners.  Our experts will work with you to integrate it, customize it if needed and optimize it for your products!