The Office of Information Technology has an approved list of Independent Verification & Validation (IV&V) vendors. All agencies are required to use this list of vendors to solicit IV&V vendors.

The approved IV&V vendors for OIT, as of Oct. 9, 2014 are:

• CSG Government Solutions, Inc. 
• Cognosante, LLC. 
• Public Knowledge, LLC. 
• SLI Global Solutions, Inc. 
• Public Consulting Group, Inc. 
• Wyant Data Systems, Inc. 
• The North Highland Company 
• Grant Thornton LLP.