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NAICS 561110 and PSC R499 contractors in Tennessee

Office Administrative Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Tennessee.

Tennessee · NAICS 561110 · PSC R499

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$119,064,029

Buyer overlap

Top recipients

Visible recipients in the Tennessee overlap of NAICS 561110 and PSC R499

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Navarro Research And Engineering, Inc. is a federal category business profile based in Oak Ridge, TN. The current public data layer shows $65,564,010 in visible federal obligations across 102 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC R799.

$119,064,029