Putting the award page together from the records…
Putting the award page together from the records…
Hanford Tank Waste Operations & Closure, LLC received this contract from Hanford Field Office, Department of Energy: $1.77B obligated so far for operation of waste treatment and storage facilities. It runs to 2028-09-30.
Key facts · data as of Oct 21, 2026
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 21, 2026.
Cite this page: SpendQuery, Award 89303925FEM400064, data as of Oct 21, 2026, https://spendquery.com/award?id=CONT_AWD_89303925FEM400064_8900_89303324DEM000096_8900
Hanford Tank Waste Operations & Closure, LLC: all federal awards · Department of Energy: spending · Hanford Field Office: what it buys · The follow-on: recompete brief
THE AWARD CONTINUES PERFORMANCE OF INTEGRATED TANK DISPOSITION CONTRACT VIA THE IMPLEMENTATION TASK ORDER, TO-02.
Up for re-bid: ends 2028-09-30. Recompete brief →
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
491 subawards totaling $392.64M (22.2% of what was obligated), as Hanford Tank Waste Operations & Closure, LLC reported them. Primes report subawards of $30,000 or more; smaller ones and unreported ones aren't here.
| Subcontractor | Amount | Subawards | Where | First | Last |
|---|---|---|---|---|---|
| Hiline Engineering & Fabrication,inc. | $51.85M | 42 | WA | 2025-02-03 | 2026-07-27 |
| Enercon Federal Services Inc | $51.24M | 5 | GA | 2024-01-22 | 2026-05-20 |
| Avantech, LLC | $43.07M | 6 | SC | 2024-03-07 | 2025-12-21 |
| Sargent & Lundy Engineering Services, Inc. | $29.03M | 16 | IL | 2024-06-10 | 2025-09-16 |
| American Electric, Inc. | $25.75M | 14 | WA | 2025-03-05 | 2026-06-15 |
| Groupe Snc-Lavalin Inc | $24.92M | 10 | WA | 2023-06-01 | 2026-06-19 |
| Perma-Fix Environmental Services, Inc. | $18.76M | 4 | GA | 2024-10-01 | 2025-10-20 |
| Intera Incorporated | $15.87M | 9 | TX | 2025-04-24 | 2026-06-04 |
| Ojeda Business Ventures LLC | $14.41M | 10 | WA | 2025-03-18 | 2026-04-30 |
| Burns & Mcdonnell Engineering Company, Inc. | $10.59M | 3 | MO | 2024-10-14 | 2026-06-16 |
| Als Limited | $8.81M | 3 | UT | 2022-10-01 | 2026-02-27 |
| Petersen Incorporated | $7.91M | 2 | UT | 2023-07-27 | 2025-07-15 |
| Hexagon Aktiebolag | $6.18M | 2 | AL | 2026-01-28 | 2026-02-04 |
| Hitachi Zosen Fukui U.S.A Inc | $4.41M | 1 | PA | 2026-01-20 | 2026-01-20 |
| DGR Grant Construction, Inc | $4.40M | 2 | WA | 2026-07-06 | 2026-07-31 |
| Independent Tank Integrity Verification Specialists LLC | $4.15M | 6 | SC | 2025-05-13 | 2026-03-16 |
| RJ Lee Group Inc | $3.25M | 3 | PA | 2025-06-11 | 2026-02-27 |
| Scientific Sales, Inc. | $3.01M | 14 | TN | 2025-03-10 | 2026-07-09 |
| Mcgrath Rentcorp | $2.99M | 2 | CA | 2025-07-29 | 2026-07-01 |
| Terragraphics Environmental Engineering Inc | $2.70M | 9 | WA | 2025-06-05 | 2026-04-27 |
| VNS Federal Services LLC | $2.46M | 4 | WA | 2025-07-15 | 2025-11-25 |
| Boston Government Services, LLC | $2.29M | 3 | TN | 2023-04-12 | 2025-12-08 |
| DBD, Inc. | $2.08M | 5 | WA | 2025-02-26 | 2026-03-16 |
| Porvair Filtration Group, Inc. | $2.06M | 1 | VA | 2026-04-06 | 2026-04-06 |
| NW Power Inc | $2.05M | 2 | WA | 2025-04-10 | 2025-07-28 |
The 25 largest of 131; the rest are on USAspending.gov.
| Date | To | Amount | For |
|---|---|---|---|
| 2024-01-22 | Enercon Federal Services Inc | $24.55M | WEST AREA PROJECTS DESIGN BMA |
| 2024-09-13 | Avantech, LLC | $21.83M | AMPS & WARM PROCESS MODULES DESIGN-FAB |
| 2025-12-21 | Avantech, LLC | $13.48M | 9 IXC FAB AND CST MEDIA FOR FY26 |
| 2025-09-25 | Intera Incorporated | $12.50M | ENVIRONMENTAL & CLOSURE MODELING AND TECHNICAL SUPPORT |
| 2023-06-01 | Atkinsrealis Energy Federal Epc Inc. | $11.30M | ATKINS DIRECT PUSH AND CHARACTERIZATION DRILLING BMA |
| 2025-07-17 | Hiline Engineering & Fabrication,inc. | $11.25M | SY-101 MIXER PUMP REMOVAL PROJECT EQUIPMENT FABRICATION |
| 2024-10-14 | Sargent & Lundy Engineering Services, Inc. | $10.00M | BMA - MANAGED TASK SAFETY SIGNIFICANT ENGINEERING DESIGN (SCMC) |
| 2024-10-14 | Enercon Federal Services Inc | $10.00M | BMA - MANAGED TASK SAFETY SIGNIFICANT ENGINEERING DESIGN (SCMC) |
| 2024-10-14 | Burns & Mcdonnell Engineering Company, Inc. | $10.00M | BMA - MANAGED TASK SAFETY SIGNIFICANT ENGINEERING DESIGN (SCMC) |
| 2026-06-24 | Hiline Engineering & Fabrication,inc. | $9.99M | AMPS SAFETY SIGNIFICANT EQUIPMENT FABRICATION |
| 2025-12-05 | Enercon Federal Services Inc | $9.92M | WARM BALANCE OF PLANT FINAL DESIGN |
| 2023-06-01 | Atkinsrealis Energy Federal Epc Inc. | $8.60M | ATKINS / VITREOUS STATE LABORATORIES BMA |
| 2024-10-01 | Perma-Fix Environmental Services, Inc. | $8.00M | RADIOACTIVE WASTE MANAGEMENT (BMA) |
| 2025-03-05 | American Electric, Inc. | $7.61M | A-106 NEW EQUIPMENT INSTALL |
| 2025-05-22 | Ojeda Business Ventures LLC | $7.55M | SY PIT REPAIRS |
| 2023-07-27 | Petersen Incorporated | $7.47M | IMMOBILIZED LOW-ACTIVITY WASTE (ILAW) CONTAINERS |
| 2025-10-15 | Perma-Fix Environmental Services, Inc. | $7.24M | ETF BRINE RADIOACTIVE WASTE PROCESSING |
| 2024-06-10 | Sargent & Lundy Engineering Services, Inc. | $5.72M | AMPS INFRASTRUCTURE DESIGN UPGRADES (OP190) BSA |
| 2025-10-16 | American Electric, Inc. | $5.57M | SY-103 REMEDIATION |
| 2026-01-28 | Intergraph Corporation | $5.54M | SMARTPLANT FOUNDATION GENERAL TECHNICAL SUPPORT (BMA) |
| 2025-12-03 | American Electric, Inc. | $5.07M | A-103 NEW EQUIPMENT INSTALL |
| 2026-02-26 | Als Group USA, Corp. | $5.05M | INDUSTRIAL HYGIENE PROGRAM (BMA) - ALS |
| 2025-03-27 | Enercon Federal Services Inc | $4.91M | LNTPWARM PRELIMINARY DESIGN (BMA 86369) |
| 2024-03-07 | Avantech, LLC | $4.91M | IXC FABRICATION AND MEDIA PROCUREMENT FY24/25 |
| 2026-06-08 | Hiline Engineering & Fabrication,inc. | $4.78M | AMPS EXHAUSTER FABRICATION |
28 actions since 2025-02-18. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-09-29 | P00027 | Funding only | $192.53M | THIS MODIFICATION INCREMENTALLY FUNDS TASK ORDER 2 THROUGH OCTOBER 31, 2026. THIS MODIFICATION INCREASES FUNDING BY $192,525,366.38 FROM $1,576,702,409.03 TO $1,769,227,775.41. |
| 2026-09-29 | P00026 | Administrative change | $0 | THIS MODIFICATION EXTENDS THE PERIOD OF PERFORMANCE FOR THIS TASK ORDER THROUGH SEPTEMBER 30, 2028. |
| 2026-08-12 | P00025 | Administrative change | $96.00M | THIS MODIFICATION (1) UPDATES ATTACHMENT J.4, PERFORMANCE EVALUATION AND MEASUREMENT PLAN (PEMP) WITH THE LATEST REVISION OF THE DOCUMENT; (2) INCREASES CONTRACT VALUE FOR LONG LEAD PROCUREMENT ACTIVITIES; AND (3) ADDS INCREMENTAL FUNDING. |
| 2026-07-14 | P00024 | Funding only | $95.00M | THIS MODIFICATION ADDS INCREMENTAL FUNDING OF $95,000,000.00 TO THE CONTRACT, INCREASING THE TOTAL OBLIGATIONS BY FROM $1,1385,702,409.03 TO $1,480,702,409.03 FOR ACTIVITIES THROUGH AUGUST 26, 2026, AND RECONCILES B.10 VALUES. |
| 2026-06-22 | P00023 | Funding only | -$5.00M | THIS MODIFICATION DE-OBLIGATES $5,000,000.00 REDUCING THE TOTAL CONTRACT VALUE FROM $1,390,702,409.03 TO $1,385,702,409.03 AND PROVIDES FUNDING THROUGH JULY 9, 2026. |
| 2026-06-17 | P00022 | Supplemental agreement (work within scope) | $0 | THIS MODIFICATION ESTABLISHES THE PRICE FOR THE FISCAL YEAR 2026 EXTENSION OF TASK ORDER 2 BASED ON THE PROPOSAL SUBMITTED BY THE PRIME CONTRACTOR AND RESULTING NEGOTIATION. |
| 2026-05-01 | P00021 | Funding only | $0 | INCREMENTAL DE-OBLIGATION AND RE-OBLIGATION OF FUNDING |
| 2026-04-17 | P00020 | Funding only | -$135.40M | INCREMENTAL DE-OBLIGATION OF FUNDING |
| 2026-04-15 | P00019 | Funding only | $325.40M | INCREMENTAL FUNDING |
| 2026-03-09 | P00018 | Funding only | $60.50M | INCREMENTAL FUNDING |
| 2026-02-23 | P00017 | Funding only | $70.53M | INCREMENTAL FUNDING |
| 2026-02-03 | P00016 | Funding only | $19.24M | INCREMENTAL FUNDING |
| 2025-12-22 | P00015 | Funding only | -$57.00M | DE-OBLIGATING OF INCREMENTAL FUNDING |
| 2025-11-21 | P00014 | Funding only | $240.00M | INCREMENTAL FUNDING |
| 2025-10-29 | P00013 | Funding only | $78.00M | INCREMENTAL FUNDING |
| 2025-10-17 | P00012 | Administrative change | $0 | THIS MODIFICATION IS ADMINISTRATIVE AND IS FOR THE PURPOSE OF EXTENDING THE TERM FOR THE USE OF FUNDS ALREADY OBLIGATED, ADD THE NE-8 SCOPE OF WORK TO TASK ORDER 2 AND INCORPORATE THE FISCAL 26 PEMP. |
| 2025-09-30 | P00011 | Funding only | $18.03M | THIS MODIFICATION ADDS INCREMENTAL FUNDS. |
| 2025-09-22 | P00010 | Funding only | $10.55M | THIS MODIFICATION ADDS INCREMENTAL FUNDS. |
| 2025-08-27 | P00009 | Administrative change | $170.76M | TTHIS MODIFICATION ADDS INCREMENTAL FUNDS AND EXTENDS THE TASK ORDER FOR ONE YEAR THROUGH 9/30/2026. |
| 2025-07-22 | P00008 | Funding only | $46.59M | THIS MODIFICATION ADDS FUNDING |
| 2025-06-25 | P00007 | Funding only | $16.95M | THIS MODIFICATION ADDS FUNDING FOR LEGACY LEAVE |
| 2025-06-04 | P00006 | Funding only | $70.00M | THIS MODIFICATION ADDS FUNDING |
| 2025-05-22 | P00005 | Administrative change | $5.00M | THIS MODIFICATION TRANSFERS AND FUNDS ACCRUED LEAVE FROM THE TANK OPERATIONS CONTRACT (TOC) TO THE INTERGRATED TANK DISPOSITION CONTRACT (ITDC), AND CORRECTS A DATE WITHIN THE PERFORMANCE EVALUATION AND MEASUREMENT PLAN. |
| 2025-05-01 | P00004 | Funding only | $211.66M | THIS MODIFICATION ADDS FUNDING |
| 2025-04-17 | P00003 | Administrative change | $48.55M | THIS MODIFICATION ADDS FUNDING AND ATTACHES THE PERFORMANCE EVALUATION AND MEASUREMENT PLAN. |
| 2025-04-16 | P00002 | Administrative change | $0 | THIS MODIFICATION UPDATES DESIGNATED ADMINISTRATIVE INDIVIDUALS AND CORRECTS THE PAYMENT TERMS TO BE CONSISTENT WITH SECTION G, CLAUSE G.7, INVOICE/PAYMENT PROCEDURES. |
| 2025-03-12 | P00001 | Funding only | $128.20M | THE AWARD OF THIS MODIFICATION IS TO ADD FUNDING TO SUPPORT CONTINUING OPERATIONS OF THE HANFORD TANK WASTE OPERATIONS & CLOSURE IMPLEMENTATION TASK ORDER 2, FOR THE IMPLEMENTATION PHASE OF THE CONTRACT. |
| 2025-02-18 | 0 | $63.14M | THE AWARD CONTINUES PERFORMANCE OF INTEGRATED TANK DISPOSITION CONTRACT VIA THE IMPLEMENTATION TASK ORDER, TO-02. |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-21). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗