NITAAC is a federal Executive Agent authorized by the Office of Management and Budget (OMB) to administer three Government-Wide Acquisition Contracts (GWACs) for information technology procurement. CIO-SP3, CIO-SP3 Small Business and ECS III can be used by any federal civilian or DoD agency to acquire information technology products, services and solutions. The office is housed within HHS at the National Institutes of Health Information Technology Acquisition and Assessment Center (NITAAC).