01 / Contract Profile
W912P421F0004 Federal Contract Award
Agency code 2100
POP MODIFICATION FOR DOR CONSTRUCTION OVERSIGHT
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W912P421F0004 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$0
FY 2025Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2021 | $1.10M | 2 | — |
| FY 2022 | $211.8K | 2 | −80.7% |
| FY 2023 | $42.6K | 1 | −79.9% |
| FY 2025 | $0 | 1 | −100.0% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | W072 ENDIST BUFFALO |
05 / Contractor
Who holds this federal contract?
TAC ENVIRONMENTAL, LLC
UEI V4VTQ98NTML5 · CAGE 856L4
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 541330 | ENGINEERING SERVICES | $1.35M | 6 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| R425 | SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL | $1.35M | 6 | 100.0% |
08 / Place of Performance
Where is the work recorded?
TONAWANDA, ERIE, NEW YORK, UNITED STATES
ZIP 141501001
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| May 29, 2025 | P00005 | $0 | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
| Mar 10, 2023 | P00004 | $42.6K | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
| Sep 22, 2022 | P00003 | $211.8K | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
| Feb 17, 2022 | P00002 | $0 | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
| Nov 5, 2021 | P00001 | $33.4K | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
| Jan 29, 2021 | Base action | $1.06M | W072 ENDIST BUFFALOOffice code W912P4 | 541330 | R425 |
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.