GlobalSign SSL Certificate

GlobalSign has been around since 1996 and is now part of GMO Internet Inc.  It has 128 and 256 bit certificates for single domains as well as wildcard SSL certificates to secure subdomains.  They also have multi-domain certificates and offer Extended validation.  The annual pricing when your purchase 2 years is below.

Domain SSL
$224
Organizational SSL
$314
Extended Validation SSL
$699
DomainSSL Wildcard
$764
OrganizationalSSL Wildcard
$854
UC ExtendedSSL
$899
UC OrganizationalSSL
$349
UC DomainSSL
$249