| Item | Obligations |
|---|---|
| CONSOLIDATED NUCLEAR SECURITY, LLC | $3.1B |
| UT-BATTELLE LLC | $2.6B |
| UNITED CLEANUP OAK RIDGE LLC | $559M |
| METROPOLITAN SECURITY SERVICES, INC. | $515M |
| BEYOND NEW HORIZONS, LLC | $397M |
| EDFINANCIAL SERVICES LLC | $198M |
| C. J. MAHAN CONSTRUCTION COMPANY, LLC | $192M |
| BWXT ENRICHMENT OPERATIONS, LLC | $163M |
| FEDERAL EXPRESS CORPORATION | $122M |
| OAK RIDGE ASSOCIATED UNIVERSITIES, INCORPORATED | $119M |
CONSOLIDATED NUCLEAR SECURITY, LLC led all contractors in Tennessee with $3.1B, 29.0% of the state total.