Overview
Prime contract obligationsObligation: money the government has legally committed to a contract. It is not the same as money paid. Example: $6M obligated of a $10M ceiling. Glossary, FY2021–FY2025
5 of 6 registrations
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Click a state to open its page.
- Ohio$974M · 51%
- Tennessee$925M · 48%
- Maryland$9.98M · 0.5%
- District of Columbia$2.8M · 0.1%
- Virginia$213K · 0.0%
- Washington$25K · 0.0%
1 smaller, $25K together.
Insight 51% was performed in Ohio
The latest fiscal year is reported so far (hatched)
Hover over a year to see its value.
Insight $166M in FY2025, 11% below FY2021
Largest company groups and registrations by prime obligations, FY2021–FY2025
Structure
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Structure of Atkinsrealis Nuclear Secured Holdings Corporation: company groups and registrations by prime obligations, FY2021–FY2025
6 registrationsRegistration: a company's record for doing federal work. One company can hold several (one per location); we count registrations until they are merged. Glossary · 1 intermediate parent; open them in the contractor directory (opens another page)
| Organization | Level | Location | Status | Prime obligations | Awards, all years |
|---|---|---|---|---|---|
| Atkinsrealis Nuclear Secured Holdings Corporation | Parent company | $892,887,241 | 22 | ||
| Atkinsrealis Nuclear Secured LLC (opens another page) | Intermediate parent | Oak Ridge, TN | Active | $614,453,841 | 3 |
| Mid-america Conversion Services, LLC (opens another page) | Registration | Lexington, KY | Active | $614,409,341 | 1 |
| Atkinsrealis Nuclear Secured LLC (opens another page) | Registration | Oak Ridge, TN | Active | $44,500 | 2 |
| Isotek Systems, LLC (opens another page) | Registration | Oak Ridge, TN | Active | $274,020,527 | 1 |
| Atkinsrealis Energy Federal Epc Inc. (opens another page) | Registration | Richland, WA | Active | $4,276,569 | 17 |
| Atkinsrealis Nuclear Solutions USA Inc. (opens another page) | Registration | Oak Ridge, TN | Active | $136,303 | 1 |
| Atkinsrealis Nuclear Secured Holdings Corporation (opens another page) | Registration | Oak Ridge, TN | Active | $0 | 0 |
Contracts
Contracts of Atkinsrealis Nuclear Secured Holdings Corporation's registrations, latest action first
Use this to find a contract of any registration in the family.
Showing 1–10 of 28 contracts
| Since award, US$ | |||||
|---|---|---|---|---|---|
| DEAC0504OR22860 | Isotek Systems, LLC | Department of Energy | $925,174,734 | Sep 29, 2026 | Dec 31, 2028 |
| 89303320DEM000041 | Atkinsrealis Nuclear Secured LLC | Department of Energy | $0 | Aug 31, 2026 | |
| DEEM0004559 | Mid-america Conversion Services, LLC | Department of Energy | $973,855,087 | Aug 18, 2026 | Sep 30, 2025 |
| 89304021CEM000013 | Atkinsrealis Energy Federal Epc Inc. | Department of Energy | $2,803,556 | Jul 22, 2026 | Dec 11, 2023 |
| 19AQMM22D0078 | Atkinsrealis Nuclear Solutions USA Inc. | Department of State | $0 | Jul 10, 2026 | |
| 47QRAA26D005C | Atkinsrealis Nuclear Secured LLC | Federal Acquisition Service | $0 | Jun 22, 2026 | |
| 19AQMM23F0455 | Atkinsrealis Nuclear Solutions USA Inc. | Department of State | $136,303 | Jul 16, 2025 | Feb 2, 2024 |
| N4215825PE022 | Atkinsrealis Nuclear Secured LLC | Department of the Navy | $44,500 | Nov 25, 2024 | Dec 31, 2024 |
| DEEM0004680 | Atkinsrealis Energy Federal Epc Inc. | Department of Energy | $9,977,422 | Sep 25, 2024 | Jun 30, 2022 |
| N4215822PE013 | Atkinsrealis Energy Federal Epc Inc. | Department of the Navy | $32,400 | Sep 26, 2022 | Nov 5, 2021 |
Agencies
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Insight Department of Energy paid 99%
Sub-agencies by prime obligations to Atkinsrealis Nuclear Secured Holdings Corporation, FY2021–FY2025
Use this to see which sub-agencies pay the family's registrations; open one to see its offices.
3 sub-agencies paid the family
Showing 1–3 of 3 sub-agencies
| FY2021–FY2025, US$ | FY2021–FY2025 | ||
|---|---|---|---|
| Department of Energy | $892,674,038 | 18 | |
| Department of State | Department of State | $136,303 | 2 |
| Department of the Navy | Department of Defense | $76,900 | 2 |
Industries
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Insight 69% under Other Basic Inorganic Chemical Manufacturing (325180)
Industries by prime obligations, FY2021–FY2025
Use this to see what the family's registrations sell; open a code to see who else wins it.
Showing 1–5 of 5 industry codes
| FY2021–FY2025, US$ | FY2021–FY2025 | |
|---|---|---|
| 325180 Other Basic Inorganic Chemical Manufacturing | $614,409,341 | 5 |
| 561990 All Other Support Services | $274,020,527 | 5 |
| 541990 All Other Professional, Scientific, and Technical Services | $2,778,582 | 4 |
| 541330 Engineering Services | $1,601,890 | 6 |
| 611430 Professional and Management Development Training | $76,900 | 2 |
Places
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- Ohio$974M · 51%
- Tennessee$925M · 48%
- Maryland$9.98M · 0.5%
- District of Columbia$2.8M · 0.1%
- Virginia$213K · 0.0%
- Washington$25K · 0.0%
1 smaller, $25K together.
Insight 51% was performed in Ohio
States of performance by prime obligations since award, contracts active FY2021 on
Use this to see where the family's contract work is performed; open a state to see its contractors.
Showing 1–6 of 6 states
| Contracts active since FY2021; since award, US$ | ||
|---|---|---|
| Ohio | $973,855,087 | 1 |
| Tennessee | $925,174,734 | 1 |
| Maryland | $9,977,422 | 1 |
| District of Columbia | $2,803,556 | 1 |
| Virginia | $213,203 | 3 |
| Washington | $25,026 | 1 |