Similar to a Project Management Office (PMO), has anyone heard of a
Quality Management Office (QMO), which provides similar oversight and
tools needed to address the non-project, ongoing, quality needs of a
organization?

For new projects the PMO works well in providing the oversight and
methodologies needed to assure that the project complete successfully.
 A key success factor in this approach is the visibility and
accountability of the PMO with top-level management.  Problems
discovered by the PMO are reported immediately to the top and are
dealt with immediately.  However, for some organizations (the IT
industry in my case) ongoing tasks such as maintenance and
enhancements are often left up to the individual groups with very
little visibility at the top (until things go really bad).  Don?t get
me wrong, there are Quality Assurance Teams that provide tools and
training, and all groups are aware and try to adhere to quality
standards like ISO, but the oversight and reporting from a central
source is often not there resulting in quality issues and customer
dissatisfaction.

My plan is to purpose a QMO for my organization but I need proof that
it is a good idea.  Can anyone provide supporting evidence, or a best
practice example that will support my idea?