With approximately 8,600 employees including subcontractors, the sheer magnitude of Y‑12 has a significant economic impact on the surrounding community. By contributing millions of dollars to East Tennessee through operating revenues, wages, taxes and pensions, Y‑12 helps generate thousands of area jobs.

In fiscal year 2023, Consolidated Nuclear Security, LLC purchased more than $269.6 million in goods and services from small businesses locally and in the Oak Ridge area. Wages exceeded $937.3 million.

CNS is also committed to good corporate citizenship. In fiscal year 2023, Oak Ridge, Anderson County, and the surrounding area received more than $438,000 in corporate contributions. In 2023, the CNS Y‑12 Community Investment Fund awarded grants totaling $180,000 to nonprofit organizations across East Tennessee. The fund is managed by the East Tennessee Foundation and directed by a committee comprising Y‑12 employees.

Y‑12 is also a major supporter of United Way, contributing hundreds of thousands of dollars to United Way of Anderson County and the United Way of Greater Knoxville. In 2023, employees and corporate contributions exceeded $495,000.