Federal award
UNITED CLEANUP OAK RIDGE LLC
89303523FEM400032
Contract
Obligated and Ceiling
- Obligated (net)
- $2,544,767,269.97
- Ceiling (potential value, not spending)
- $3,446,109,658.01
- Current value
- $3,446,109,658.01
- Gross positive obligations
- $2,554,170,454.68
Obligated is what the government has committed, net of de-obligations. The ceiling is the most the award or vehicle could ever reach; it is shown separately and never added to, or compared as, spending.
Award Details
- Recipient
- UNITED CLEANUP OAK RIDGE LLC · CM39N6XPQF41
- Owner company
- United Cleanup Oak RidgeBasis joint venture: counted under the venture itself, never under a partner.
- Reported parent
- AMENTUM HOLDINGS INC. · TU4KCXMM9AP6
- Awarding agency
- Department of Energy · sub-agency 8900 · office 893035
- Funding agency
- Department of Energy · sub-agency 8900
- Product or service (PSC)
- F999 · OTHER ENVIRONMENTAL SERVICES
- Industry (NAICS)
- 562910 · REMEDIATION SERVICES
- PIID
- 89303523FEM400032
- Parent vehicle (IDV PIID)
- 89303322DEM000067
- Award type code
- C
- Actions
- 126 · May 17, 2023 to Sep 30, 2026
- Why it is listed
- gross positive obligations of $100k or more (contracts); reviewed company, $10k or more
Action History126
| Date | FY | Mod | Action type | Obligation | Company in company totals |
|---|---|---|---|---|---|
| Sep 30, 2026 | FY2026 | P00126 | B | $0.00 | |
| Sep 30, 2026 | FY2026 | P00127 | B | $3,921,869.97 | |
| Sep 29, 2026 | FY2026 | P00122 | B | $0.00 | |
| Sep 29, 2026 | FY2026 | P00124 | B | $0.00 | |
| Aug 28, 2026 | FY2026 | P00123 | C | $7,122,472.57 | |
| Jul 31, 2026 | FY2026 | P00121 | C | $104,349,019.43 | |
| Jun 30, 2026 | FY2026 | P00120 | C | $20,125,000.00 | |
| Jun 18, 2026 | FY2026 | P00119 | B | $0.00 | |
| Jun 4, 2026 | FY2026 | P00117 | B | $0.00 | |
| May 22, 2026 | FY2026 | P00118 | C | $90,000.00 | |
| May 22, 2026 | FY2026 | P00116 | D | $0.00 | |
| Apr 30, 2026 | FY2026 | P00115 | D | $0.00 | |
| Apr 21, 2026 | FY2026 | P00111 | B | $0.00 | |
| Apr 15, 2026 | FY2026 | P00114 | C | $216,445,061.00 | |
| Apr 10, 2026 | FY2026 | P00113 | B | $0.00 | |
| Apr 2, 2026 | FY2026 | P00106 | B | $0.00 | |
| Mar 26, 2026 | FY2026 | P00108 | B | $0.00 | |
| Mar 26, 2026 | FY2026 | P00109 | B | $0.00 | |
| Mar 26, 2026 | FY2026 | P00112 | C | $8,232,525.00 | |
| Feb 27, 2026 | FY2026 | P00110 | C | $49,742,988.01 | |
| Jan 27, 2026 | FY2026 | P00107 | C | $885,000.00 | |
| Dec 30, 2025 | FY2026 | P00104 | L | $0.00 | |
| Dec 30, 2025 | FY2026 | P00105 | C | −$3,365,403.68 | |
| Dec 23, 2025 | FY2026 | P00103 | B | $0.00 | |
| Dec 3, 2025 | FY2026 | P00087 | D | $0.00 | |
| Dec 2, 2025 | FY2026 | P00102 | D | $0.00 | |
| Nov 25, 2025 | FY2026 | P00100 | D | $0.00 | |
| Nov 24, 2025 | FY2026 | P00101 | C | $168,089,257.11 | |
| Nov 24, 2025 | FY2026 | P00099 | L | $0.00 | |
| Nov 19, 2025 | FY2026 | P00096 | G | $0.00 | |
| Nov 19, 2025 | FY2026 | P00098 | D | $0.00 | |
| Oct 31, 2025 | FY2026 | P00097 | C | −$6,037,781.02 | |
| Sep 30, 2025 | FY2025 | P00095 | B | $0.00 | |
| Sep 30, 2025 | FY2025 | P00094 | D | $0.00 | |
| Sep 26, 2025 | FY2025 | P00093 | C | $39,376,682.67 | |
| Sep 25, 2025 | FY2025 | P00092 | D | $0.00 | |
| Aug 29, 2025 | FY2025 | P00091 | C | $9,424,253.10 | |
| Aug 28, 2025 | FY2025 | P00090 | B | $0.00 | |
| Aug 27, 2025 | FY2025 | P00089 | L | $0.00 | |
| Jul 30, 2025 | FY2025 | P00088 | C | $163,743,567.99 | |
| Jul 28, 2025 | FY2025 | P00086 | B | $0.00 | |
| Jun 27, 2025 | FY2025 | P00085 | C | $69,505,988.39 | |
| Jun 26, 2025 | FY2025 | P00084 | B | $0.00 | |
| Jun 13, 2025 | FY2025 | P00083 | D | $0.00 | |
| Jun 11, 2025 | FY2025 | P00080 | B | $0.00 | |
| Jun 5, 2025 | FY2025 | P00082 | D | $0.00 | |
| May 30, 2025 | FY2025 | P00081 | C | $49,422,628.00 | |
| May 21, 2025 | FY2025 | P00079 | D | $0.00 | |
| May 13, 2025 | FY2025 | P00078 | B | $0.00 | |
| May 12, 2025 | FY2025 | P00077 | B | $0.00 | |
| Apr 30, 2025 | FY2025 | P00076 | C | $31,708,616.00 | |
| Apr 17, 2025 | FY2025 | P00075 | M | $0.00 | |
| Apr 16, 2025 | FY2025 | P00074 | B | $0.00 | |
| Apr 11, 2025 | FY2025 | P00058 | D | $0.00 | |
| Apr 10, 2025 | FY2025 | P00073 | M | $0.00 | |
| Apr 2, 2025 | FY2025 | P00072 | M | $0.00 | |
| Mar 31, 2025 | FY2025 | P00071 | B | $0.00 | |
| Mar 31, 2025 | FY2025 | P00070 | B | $0.00 | |
| Mar 27, 2025 | FY2025 | P00069 | C | $80,000.00 | |
| Mar 26, 2025 | FY2025 | P00068 | B | $0.00 | |
| Mar 13, 2025 | FY2025 | P00067 | B | $0.00 | |
| Mar 12, 2025 | FY2025 | P00066 | B | $0.00 | |
| Feb 28, 2025 | FY2025 | P00057 | B | $0.00 | |
| Feb 28, 2025 | FY2025 | P00065 | C | $500,000.00 | |
| Jan 31, 2025 | FY2025 | P00064 | C | $134,131,567.34 | |
| Jan 16, 2025 | FY2025 | P00060 | B | $0.00 | |
| Dec 31, 2024 | FY2025 | P00062 | B | $0.00 | |
| Dec 20, 2024 | FY2025 | P00063 | B | $0.00 | |
| Dec 4, 2024 | FY2025 | P00061 | B | $0.00 | |
| Nov 26, 2024 | FY2025 | P00059 | C | $40,000.00 | |
| Nov 19, 2024 | FY2025 | P00056 | B | $0.00 | |
| Oct 31, 2024 | FY2025 | P00054 | D | $0.00 | |
| Oct 30, 2024 | FY2025 | P00055 | C | $132,319,640.00 | |
| Oct 30, 2024 | FY2025 | P00050 | B | $0.00 | |
| Oct 15, 2024 | FY2025 | P00053 | G | $0.00 | |
| Oct 15, 2024 | FY2025 | P00051 | B | $0.00 | |
| Sep 27, 2024 | FY2024 | P00052 | C | $34,123,958.81 | |
| Sep 24, 2024 | FY2024 | P00049 | B | $0.00 | |
| Sep 6, 2024 | FY2024 | P00048 | B | $0.00 | |
| Sep 4, 2024 | FY2024 | P00046 | B | $0.00 | |
| Aug 30, 2024 | FY2024 | P00047 | C | $16,195,799.60 | |
| Aug 23, 2024 | FY2024 | P00043 | B | $0.00 | |
| Aug 22, 2024 | FY2024 | P00045 | B | $0.00 | |
| Aug 13, 2024 | FY2024 | P00044 | M | $0.00 | |
| Aug 9, 2024 | FY2024 | P00042 | B | $0.00 | |
| Aug 2, 2024 | FY2024 | P00041 | B | $0.00 | |
| Jul 29, 2024 | FY2024 | P00040 | C | $113,569,038.00 | |
| Jul 26, 2024 | FY2024 | P00039 | B | $0.00 | |
| Jul 11, 2024 | FY2024 | P00038 | B | $0.00 | |
| Jun 28, 2024 | FY2024 | P00037 | C | $57,325,787.00 | |
| Jun 25, 2024 | FY2024 | P00036 | B | $0.00 | |
| Jun 14, 2024 | FY2024 | P00035 | B | $0.00 | |
| Jun 13, 2024 | FY2024 | P00033 | B | $0.00 | |
| Jun 11, 2024 | FY2024 | P00034 | D | $0.00 | |
| Jun 11, 2024 | FY2024 | P00031 | B | $0.00 | |
| Jun 10, 2024 | FY2024 | P00032 | M | $0.00 | |
| May 31, 2024 | FY2024 | P00030 | C | $46,616,522.00 | |
| May 24, 2024 | FY2024 | P00028 | B | $0.00 | |
| May 21, 2024 | FY2024 | P00029 | D | $0.00 | |
| Apr 29, 2024 | FY2024 | P00027 | C | $56,104,180.00 | |
| Apr 18, 2024 | FY2024 | P00026 | B | $0.00 | |
| Apr 4, 2024 | FY2024 | P00025 | B | $0.00 | |
| Mar 29, 2024 | FY2024 | P00024 | C | $39,496,786.00 | |
| Mar 26, 2024 | FY2024 | P00023 | B | $0.00 | |
| Feb 29, 2024 | FY2024 | P00022 | C | $56,381,334.34 | |
| Feb 29, 2024 | FY2024 | P00020 | B | $0.00 | |
| Feb 29, 2024 | FY2024 | P00021 | B | $0.00 | |
| Feb 28, 2024 | FY2024 | P00019 | B | $0.00 | |
| Jan 31, 2024 | FY2024 | P00018 | C | $0.00 | |
| Jan 31, 2024 | FY2024 | P00017 | B | $0.00 | |
| Dec 22, 2023 | FY2024 | P00016 | C | $83,804,541.98 | |
| Nov 24, 2023 | FY2024 | P00015 | B | $0.00 | |
| Nov 22, 2023 | FY2024 | P00014 | B | $0.00 | |
| Nov 21, 2023 | FY2024 | P00008 | B | $0.00 | |
| Nov 16, 2023 | FY2024 | P00012 | C | $2,038,496.24 | |
| Oct 27, 2023 | FY2024 | P00011 | C | $86,619,964.67 | |
| Sep 28, 2023 | FY2023 | P00010 | C | $17,292,219.37 | |
| Sep 20, 2023 | FY2023 | P00006 | B | $0.00 | |
| Aug 31, 2023 | FY2023 | P00009 | C | −$0.01 | |
| Aug 24, 2023 | FY2023 | P00007 | B | $0.00 | |
| Jul 24, 2023 | FY2023 | P00005 | C | $174,177,760.00 | |
| Jul 24, 2023 | FY2023 | P00003 | B | $0.00 | |
| Jul 21, 2023 | FY2023 | P00004 | B | $0.00 | |
| Jul 18, 2023 | FY2023 | P00002 | B | $0.00 | |
| May 25, 2023 | FY2023 | P00001 | C | $122,054,097.38 | |
| May 17, 2023 | FY2023 | 0 | — | $439,113,832.71 |
Newest first. Every obligation is shown as reported, including zero and negative (de-obligation) actions. Award lists belong to the company of the latest action; company totals credit each action to the company named on that row, so a note marks rows where the two differ.