W912P421F0003↗
Amentum Technology, Inc. received this contract from W072 Endist Buffalo, Department of the Army: $200.87M obligated so far for environmental systems protection- environmental remediation. Its period of performance ended 2026-06-30.
Key facts · data as of Oct 25, 2026
- Recipient
- Amentum Technology, Inc.
- Awarding agency
- Department of the Army (Department of Defense)
- Contracting office
- W072 Endist Buffalo (W912P4)
- Obligated to date
- $200.87M
- Potential value
- $231.05M
- Ends
- 2026-06-30
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 25, 2026.
Cite this page: SpendQuery, Award W912P421F0003, data as of Oct 25, 2026, https://spendquery.com/award?id=CONT_AWD_W912P421F0003_9700_W912P417D0001_9700
Amentum Technology, Inc.: all federal awards · Department of Defense: spending · W072 Endist Buffalo: what it buys
PRE-EXCAVATION REMEDIATION ACTIVITIES
Obligated to date$200.87M15 actions
Current value$231.05Mwith options exercised
Period2021-07-28 → 2026-06-30current end date
Passed on$129.56Mto 34 subcontractors
What it is
- Product or service
- Environmental Systems Protection- Environmental Remediation (PSC F108)
- Industry
- Remediation Services (NAICS 562910)
- Contracting office
- W072 Endist Buffalo (W912P4)
- Competition
- Full and open competition
- Pricing
- Cost plus fixed fee
- How it was bought
- Single-award IDIQ · under W912P417D0001
- Solicitation
- W912P415R0001
- Where the work is
- Armstrong, PA · district PA-15
Obligations by fiscal year
FY2023$88.53M
FY2024$101.83M
FY2025$10.50M
FY2026$0
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
89 subawards totaling $129.56M (64.5% of what was obligated), as Amentum Technology, Inc. reported them. Primes report subawards of $30,000 or more; smaller ones and unreported ones aren't here.
| Subcontractor | Amount | Subawards | Where | First | Last |
|---|---|---|---|---|---|
| Sevenson Environmental Services of Pa., Inc. | $82.31M | 9 | NY | 2023-02-27 | 2024-08-01 |
| Pajarito Scientific Corporation | $24.17M | 7 | NM | 2023-04-10 | 2025-11-12 |
| Leidos Holdings, Inc. | $9.89M | 7 | VA | 2023-06-19 | 2026-05-29 |
| Terranear PMC LLC | $7.37M | 9 | PA | 2023-04-19 | 2026-05-19 |
| Willscot Mobile Mini Holdings Corp. | $5.23M | 3 | MD | 2023-05-16 | 2023-07-06 |
| Rockin B Ranch LLC | $2.19M | 1 | ID | 2024-10-21 | 2024-10-21 |
| Energysolutions Services, Inc. | $1.75M | 6 | UT | 2024-04-15 | 2026-06-16 |
| Astrophysics Inc | $1.72M | 2 | CA | 2024-02-29 | 2026-06-19 |
| Parratt-Wolff, Inc. | $823.7K | 2 | NY | 2024-11-01 | 2025-11-20 |
| Nuclear Safety & Technology Services LLC | $487.2K | 2 | FL | 2024-07-29 | 2024-10-24 |
| International Precast Inc | $415.0K | 3 | NC | 2023-11-30 | 2024-03-29 |
| Terracon Consultants, Inc. | $299.1K | 2 | KS | 2024-09-13 | 2025-03-03 |
| Kanawha Scales & Systems, Inc. | $202.5K | 2 | WV | 2023-12-05 | 2026-05-16 |
| Gem Technology International, Corp | $167.0K | 1 | FL | 2024-10-23 | 2024-10-23 |
| Pine Environmental Services LLC | $137.2K | 1 | NJ | 2025-03-06 | 2025-03-06 |
| Williams Scotsman Inc | $121.7K | 3 | AZ | 2024-01-04 | 2024-08-28 |
| SGS North America Inc. | $62.1K | 3 | NJ | 2024-03-21 | 2026-05-20 |
| Civil & Environmental Consultants, Inc. | $50.8K | 1 | PA | 2024-06-03 | 2024-06-03 |
| Gel Laboratories LLC | $50.7K | 1 | SC | 2023-06-01 | 2023-06-01 |
| Premier Contracting & Technical Services, Inc. | $47.6K | 2 | TN | 2025-10-30 | 2026-05-13 |
| 2 Krew Inc | $43.6K | 2 | PA | 2024-06-25 | 2026-06-01 |
| CDW Government LLC | $24.9K | 3 | IL | 2025-09-23 | 2025-11-11 |
| Blackrock Inc | $17.1K | 2 | NV | 2025-11-12 | 2026-05-20 |
| Mirion Technologies (US), Inc. | $16.0K | 1 | CT | 2025-11-21 | 2025-11-21 |
| Greco Gas, Inc. | $8.7K | 1 | PA | 2026-05-20 | 2026-05-20 |
The 25 largest of 34; the rest are on USAspending.gov.
The largest single subawards
| Date | To | Amount | For |
|---|---|---|---|
| 2024-08-01 | Sevenson Environmental Services of Pa., Inc. | $30.79M | ASSIST WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM) (NUREG-1575, REV 1, AUGUST 2000) AND MARSSIM CORRECTIONS ISSUED… |
| 2023-06-19 | Sevenson Environmental Services of Pa., Inc. | $26.23M | ASSIST TERRANEARPMC (TPMC) AND PAJARITO SCIENTIFIC CORPORATION (PSC) WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM)… |
| 2023-09-14 | Sevenson Environmental Services of Pa., Inc. | $21.51M | ASSIST TERRANEARPMC (TPMC) AND PAJARITO SCIENTIFIC CORPORATION (PSC) WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM)… |
| 2023-09-28 | Pajarito Scientific Corporation | $10.47M | PROVIDE ON-SITE INFRASTRUCTURE AND NON-DESTRUCTIVE ASSAY AND RADIOLOGICAL MEASUREMENT SUPPORT. THIS TASK ORDER 4 AWARD IS ASSOCIATED WITH MODIFICATION REQUEST-03. |
| 2023-11-20 | Pajarito Scientific Corporation | $8.08M | PROVIDE ON-SITE INFRASTRUCTURE AND NON-DESTRUCTIVE ASSAY AND RADIOLOGICAL MEASUREMENT SUPPORT. MOD. 7: $8,082,175.19; DATED 11/20/2023 €€Œ FOR FUNDING NDA EQUIPMENT. |
| 2023-06-19 | Leidos, Inc. | $4.99M | ON-SITE LABORATORY SUPPORT FOR ANALYTICAL NEEDS OF WASTE CHARACTERIZATION, TRANSPORTATION AND DISPOSAL ACTIVITIES, HEALTH, AND SAFETY ACTIVITIES (INDUSTRIAL HYGIENE AND RADIATION SAFETY), SITE ENVIRONMENTAL MONITORING… |
| 2023-06-19 | Terranear PMC LLC | $4.07M | PERFORM RADIOLOGICAL MONITORING PER THE RADIATION PROTECTION PROGRAM (RPP) AND ASSOCIATED PROCEDURES IN SUPPORT OF SHALLOW LAND DISPOSAL AREA (SLDA) PROJECT IN VANDERGRIFT, PA. |
| 2024-10-29 | Pajarito Scientific Corporation | $3.71M | PROVIDE ON-SITE INFRASTRUCTURE AND NON-DESTRUCTIVE ASSAY AND RADIOLOGICAL MEASUREMENT SUPPORT. MOD.12; $3,709,954.33 DATED 10/29/2024 €€Œ INCREASES FUNDING FOR EXTENSION THROUGH 7/27/2025. |
| 2023-09-27 | Leidos, Inc. | $3.32M | ON-SITE LABORATORY SUPPORT FOR ANALYTICAL NEEDS OF WASTE CHARACTERIZATION, TRANSPORTATION AND DISPOSAL ACTIVITIES, HEALTH, AND SAFETY ACTIVITIES (INDUSTRIAL HYGIENE AND RADIATION SAFETY), SITE ENVIRONMENTAL MONITORING… |
| 2023-06-19 | Williams Scotsman Inc | $2.98M | DELIVERY, SET-UP AND INSTALLATION OVERSIGHT FOR LOWER AND UPPER SUPPORT AREA TRAILERS FOR SLDA SITE IN VANDERGRIFT, PA. |
| 2023-05-16 | Williams Scotsman Inc | $2.20M | DELIVERY, SET-UP AND INSTALLATION OVERSIGHT FOR LOWER AND UPPER SUPPORT AREA TRAILERS FOR SLDA SITE IN VANDERGRIFT, PA. |
| 2024-10-21 | Rockin B Ranch LLC | $2.19M | ON-SITE NON-DESTRUCTIVE ASSAY (NDA) AND CRITICALITY ACCIDENT ALARM SYSTEM (CAAS) SUPPORT AT THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION PROJECT SITE. AWARD; $2,190,163.26 DATED 10/21/2024 |
| 2024-10-23 | Terranear PMC LLC | $2.03M | PERFORM RADIOLOGICAL MONITORING PER THE RADIATION PROTECTION PROGRAM (RPP) AND ASSOCIATED PROCEDURES IN SUPPORT OF SHALLOW LAND DISPOSAL AREA (SLDA) PROJECT IN VANDERGRIFT, PA. MOD. 14; $2,032,742.94 DATED 10/23/2024… |
| 2024-06-19 | Sevenson Environmental Services of Pa., Inc. | $1.68M | ASSIST WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM) (NUREG-1575, REV 1, AUGUST 2000) AND MARSSIM CORRECTIONS ISSUED… |
| 2023-10-30 | Sevenson Environmental Services of Pa., Inc. | $1.59M | ASSIST TERRANEARPMC (TPMC) AND PAJARITO SCIENTIFIC CORPORATION (PSC) WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM)… |
| 2024-04-11 | Leidos, Inc. | $1.46M | SUPERVISION, MANAGEMENT, TRAINING AND TESTING TO PROVIDE ON-SITE LAB SUPPORT TO SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION SITE IN PARKS TOWNSHIP, PA. MOD. 6: $1,464,191.81; DATED 4/11/2024 €€Œ ADDITIONAL… |
| 2024-02-29 | Astrophysics Inc | $1.41M | HIGH HAZARD PROCESSING BUILDING COMPONENTS ASSOCIATED WITH THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION PROJECT. SUBCONTRACTOR SHALL PROVIDE TWO (2) X-RAY UNITS, CAPABLE OF SCANNING SOILS AND DEBRIS, AND… |
| 2024-04-15 | Energysolutions Services, Inc. | $1.23M | PROVIDE PRE-REMEDIATION ACTIVITIES TO SUPPORT THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION SITE IN PARKS TOWNSHIP, PA. MOD. 6: $1,232,138.64; DATED 4/15/2024 €€Œ FOR INCREMENTAL FUNDING. |
| 2024-04-10 | Pajarito Scientific Corporation | $879.6K | PROVIDE ON-SITE INFRASTRUCTURE AND NON-DESTRUCTIVE ASSAY AND RADIOLOGICAL MEASUREMENT SUPPORT. MOD. 10: $879,635.01; DATED 4/10/2024 €€Œ ADDITIONAL FUNDING TO INCREASE IN CEILING PRICE FOR BASE PERIOD AND OPTIONS. |
| 2023-04-10 | Pajarito Scientific Corporation | $871.7K | SUBCONTRACTOR SHALL ASSIST TERRANEARPMC (TPMC) WITH PREPARING A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM) (NUREG-1575, REV 1, AUGUST… |
| 2024-11-01 | Parratt-Wolff, Inc. | $814.2K | MONITORING WELLS DECOMMISSIONING & REPLACEMENT SUPPORT TO THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION SITE IN VANDERGRIFT, PA. AWARD; $814,158.50 DATED 11/1/2024. |
| 2024-12-02 | Scientific Sales, Inc. | $791.4K | PROVIDE PERSONAL PROTECTIVE EQUIPMENT AND OTHER SUPPLIES TO THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION PROJECT. PO AWARD; $791,426.27; DATED 12/2/2024. THIS WAS INADVERTENTLY MISSED IN OUR JANUARY 2025… |
| 2023-04-19 | Terranear PMC LLC | $705.0K | SUBCONTRACTOR SHALL PREPARE A WORK PLAN TO PERFORM A BASELINE RADIOLOGICAL SURVEY USING MULTI-AGENCY RADIATION SURVEY AND SITE INVESTIGATION MANUAL (MARSSIM) (NUREG-1575, REV 1, AUGUST 2000) AND MARSSIM CORRECTIONS… |
| 2024-11-19 | Energysolutions Services, Inc. | $451.9K | PROVIDE PRE-REMEDIATION ACTIVITIES TO SUPPORT THE SHALLOW LAND DISPOSAL AREA (SLDA) REMEDIATION SITE IN VANDERGRIFT, PA. MOD. 9; $451,896.16 DATED 11/19/2024 €€Œ ADD FUNDING FOR SUPERVISION & MANAGEMENT, TRAINING… |
| 2026-06-19 | Astrophysics Inc | $309.7K | SUBCONTRACTOR TO PROVIDE SERVICES FOR HIGH HAZARD PROCESSING BUILDING COMPONENTS ASSOCIATED WITH THE SHALLOW LAND DISPOSAL AREA (SLDA) PROJECT. REV. 4; 309,680.00 - EXECUTED 6/19/2026 |
Every action
15 actions since 2023-03-31. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2026-04-01 | P00016 | Administrative change | $0 | SLDA TO4 PERIOD OF PERFORMANCE MODIFICATION |
| 2026-01-26 | P00015 | Administrative change | $0 | PERIOD OF PERFORMANCE MODIFICATION, FROM 31 JANUARY 2026 TO 31 MARCH 2026 |
| 2025-10-20 | P00014 | Administrative change | $0 | PERIOD OF PERFORMANCE MODIFICATION. |
| 2025-08-29 | P00013 | Administrative change | $0 | THE PURPOSE OF THIS MODIFICATION IS TO INCORPORATE THE CONTRACTOR'S NAME CHANGE FROM JACOBS TECHNOLOGY INC. TO AMENTUM TECHNOLOGY INC. |
| 2025-07-16 | P00012 | Administrative change | $0 | SLDA TASK ORDER 4 PERIOD OF PERFORMANCE MODIFICATION |
| 2024-10-21 | P00011 | Funding only | $10.50M | MOD REQUEST #7 (MR-07) |
| 2024-09-27 | P00010 | Supplemental agreement (work within scope) | $15.39M | MOD REQUEST #7 (MR-07) |
| 2024-07-25 | P00009 | Supplemental agreement (work within scope) | $37.08M | MOD REQUEST #6 (MR-06) |
| 2024-06-11 | P00008 | Supplemental agreement (work within scope) | $2.19M | TO-4 OPERATIONS AND MAINTENANCE ACTIVITIES MODIFICATION |
| 2024-04-08 | P00007 | Supplemental agreement (work within scope) | $9.19M | MOD REQUEST #5 (MR-05) |
| 2024-02-16 | P00006 | Administrative change | $0 | ADMINISTRATIVE MODIFICATION TO REPOSITION FUNDS IN CORPS OF ENGINEERS FINANCIAL MANAGEMENT SYSTEM (CEFMS) FROM PITTSBURGH DISTRICT TO BUFFALO DISTRICT. |
| 2023-11-17 | P00005 | Supplemental agreement (work within scope) | $37.98M | MOD REQUEST #4 (MR-04) |
| 2023-09-14 | P00004 | Supplemental agreement (work within scope) | $45.06M | MOD REQUEST #3 (MR-03) |
| 2023-06-16 | P00003 | Supplemental agreement (work within scope) | $39.15M | MOD REQUEST #2 (MR-02) |
| 2023-03-31 | P00002 | Supplemental agreement (work within scope) | $4.32M | PERFORM PRE-EXCAVATION REMEDIATION ACTIVITIES FOR MOD REQUEST #1 (MR-01) INCLUDING BERYLLIUM AIR MONITORING, CRAFT LABOR TRAINING, AND PURCHASE OF THE MATERIAL PROCESSING BUILDING. |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-25). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗