01 / Contract Profile
DEAC0504OR22860 Federal Contract Award
Agency code 8900
U-233 DISPOSITION PROJECT
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
DEAC0504OR22860 contract spending by fiscal year
Annual net obligations across the complete period available for this agency and PIID, from the first recorded fiscal year through the latest contract action.
Latest fiscal year obligations$30.30M
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2003 | $6.48M | 1 | — |
| FY 2004 | $7.65M | 9 | +18.1% |
| FY 2005 | $9.99M | 13 | +30.6% |
| FY 2006 | $13.10M | 13 | +31.1% |
| FY 2007 | $34.68M | 17 | +164.8% |
| FY 2008 | $28.57M | 13 | −17.6% |
| FY 2009 | $57.58M | 11 | +101.6% |
| FY 2010 | $35.04M | 19 | −39.2% |
| FY 2011 | $31.02M | 23 | −11.5% |
| FY 2012 | $44.58M | 18 | +43.7% |
| FY 2013 | $24.67M | 14 | −44.7% |
| FY 2014 | $31.18M | 24 | +26.4% |
| FY 2015 | $40.44M | 29 | +29.7% |
| FY 2016 | $45.86M | 25 | +13.4% |
| FY 2017 | $30.16M | 30 | −34.2% |
| FY 2018 | $45.51M | 27 | +50.9% |
| FY 2019 | $63.07M | 16 | +38.6% |
| FY 2020 | $54.21M | 24 | −14.1% |
| FY 2021 | $53.53M | 14 | −1.2% |
| FY 2022 | $57.30M | 15 | +7.0% |
| FY 2023 | $51.44M | 9 | −10.2% |
| FY 2024 | $54.82M | 11 | +6.6% |
| FY 2025 | $61.08M | 15 | +11.4% |
| FY 2026 | $30.30M | 6 | −50.4% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| ENERGY, DEPARTMENT OF | ENERGY, DEPARTMENT OF | EM-OAK RIDGE |
05 / Contractor
Who holds this federal contract?
ISOTEK SYSTEMS LIMITED LIABILITY COMPANY
UEI WJZ8KR7KSA33 · CAGE 3L4M2
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 561990 | ALL OTHER SUPPORT SERVICES | $912.28M | 396 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| Z235 | MAINT-REP-ALT/EPG - NUCLEAR | $912.28M | 396 | 100.0% |
08 / Place of Performance
Where is the work recorded?
OAK RIDGE, ANDERSON, TENNESSEE, UNITED STATES
ZIP 378308313
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| Aug 19, 2026 | 397 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| May 20, 2026 | 396 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| May 4, 2026 | 395 | $25.00M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| May 4, 2026 | 394 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Apr 2, 2026 | 393 | $5.30M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Feb 25, 2026 | 392 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Dec 30, 2025 | 391 | $750.0K | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Nov 25, 2025 | 390 | $14.00M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Sep 23, 2025 | 389 | $100.0K | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Aug 25, 2025 | 387 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Aug 25, 2025 | 388 | $12.36M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Aug 18, 2025 | 386 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Aug 12, 2025 | 385 | $0 | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Jul 18, 2025 | 384 | $10.86M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
| Jun 5, 2025 | 383 | $9.00M | EM-OAK RIDGEOffice code 893035 | 561990 | Z235 |
10 / Reading the Contract
How should this award record be interpreted?
Read the PIID as a transaction history, not as a single purchase price. Net obligations combine the base action with later increases, reductions, corrections, and deobligations recorded under the same contract.
Verify the buyer
Agency and office identify who manages the procurement relationship.
Follow modifications
Each action can change funding, scope, dates, or administrative terms.
Compare the market
Use NAICS, PSC, and the contractor profile to identify related buyers and competitors.