01 / Contract Profile
W912DR21C0009 Federal Contract Award
Agency code 2100
DESCRIPTION OF AMENDMENT/MODIFICATION CONTRACT NO. W912DR21C0009 FOR PENTAGON CONTROL TOWER AND FIRE DAY STATION AT PENTAGON, ARLINGTON, VA MODIFICATION NO. A00017 REFERENCE NO. R00020 - CHANGE BA TOWER UPS BAT, ANTENNAE, CABLES INSTALL
02 / Contract Size and Status
What is the recorded size and timing of this contract?
03 / Spending Trend
W912DR21C0009 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$46.1K
FY 2026Net obligationsComplete recorded range
| Fiscal year | Net obligations | Actions | Change |
|---|---|---|---|
| FY 2021 | $16.69M | 2 | — |
| FY 2022 | $17.3K | 1 | −99.9% |
| FY 2023 | $4.48M | 13 | +25,781.2% |
| FY 2024 | $421.3K | 5 | −90.6% |
| FY 2025 | $120.7K | 1 | −71.3% |
| FY 2026 | $46.1K | 1 | −61.8% |
04 / Federal Buyer
Which organization manages this contract?
| Department | Contracting agency | Contracting office |
|---|---|---|
| DEPT OF DEFENSE | DEPT OF THE ARMY | W2SD ENDIST BALTIMORE |
05 / Contractor
Who holds this federal contract?
GRUNLEY CONSTRUCTION CO., INC.
UEI R6CPWWDD4AM1 · CAGE 0MW40
06 / NAICS Industries
Which industries classify this contract?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| 236220 | COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION | $21.77M | 23 | 100.0% |
07 / Products and Services
What products or services were purchased?
| Code | Description | Obligations | Actions | Share |
|---|---|---|---|---|
| Y1BA | CONSTRUCTION OF AIR TRAFFIC CONTROL TOWERS | $21.77M | 23 | 100.0% |
08 / Place of Performance
Where is the work recorded?
WASHINGTON, DISTRICT OF COLUMBIA, DISTRICT OF COLUMBIA, UNITED STATES
ZIP 203010004
09 / Contract Actions
What modifications and obligations were recorded?
| Signed date | Modification | Obligation | Contracting office | NAICS | PSC |
|---|---|---|---|---|---|
| May 5, 2026 | A00017 | $46.1K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Sep 30, 2025 | A00016 | $120.7K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Dec 20, 2024 | A00015 | $0 | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Sep 19, 2024 | A00014 | $211.7K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Jul 23, 2024 | A00013 | $200.5K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Mar 1, 2024 | A00012 | $0 | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Feb 2, 2024 | A00011 | $9.0K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Nov 2, 2023 | P00004 | $2.49M | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Nov 2, 2023 | P00005 | $694.0K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Oct 25, 2023 | A00010 | $159.7K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Oct 20, 2023 | P00003 | $0 | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Aug 16, 2023 | A00009 | $0 | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Aug 15, 2023 | A00008 | $131.5K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Jul 6, 2023 | A00007 | $16.9K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
| Apr 7, 2023 | P00002 | $739.7K | W2SD ENDIST BALTIMOREOffice code W912DR | 236220 | Y1BA |
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.