Contract 75N99021F00006
Hellmuth, Obata & Kassabaum, P.C. · Department Of Health And Human Services · September 7, 2021
Hellmuth, Obata & Kassabaum, P.C. was awarded a federal contract by Department Of Health And Human Services (National Institutes Of Health) on September 7, 2021 for $11.83 million of work in engineering services. Performance is in Bethesda, MD. This is a task or delivery order issued under parent IDIQ 75N99020D00007. It was awarded under a Veteran-Owned Small Business set-aside. The contract has been modified 18 times since the base award It uses firm fixed-price contract pricing. The most recent modification was on June 24, 2026.
Contract details
- PIID
- 75N99021F00006
- Parent IDIQ
- 75N99020D00007
- Award type
- Delivery Order
- Pricing
- Firm Fixed Price
- Set-aside
- Service Disabled Veteran Owned Small Business Set-Aside
- Competition
- Full And Open Competition
- NAICS
- 541330 · Engineering Services
- Product / service
- Architect And Engineering- General: Other
- Place of performance
- Bethesda, MD
- First action
- September 7, 2021
- Latest action
- June 24, 2026
Description
C100883: THE REASON FOR THIS MODIFICATION IS TO PROVIDE CQV SERVICES. PERIOD OF PERFORMANCE COMPLETION DATE IS TO CHANGE FROM 05/21/2026 TO 12/31/2026. THE PROJECT WOULD NOT BE COMPLETE AND USABLE WITHOUT THIS MODIFICATION.
Modification timeline
-
June 24, 2026Mod P00008 · Supplemental Agreement For Work Within Scope$3.68M
-
September 28, 2025Mod P00010 · Supplemental Agreement For Work Within ScopeC103754 - THE REASON FOR THIS MOD IS TO EXTEND SERVICES FOR CONSTRUCTION QUALITY MANAGEMENT AND ACTIVATION AND COORDINATION. WITHOUT IT, THE PROJECT CAN'T BE COMPLETED TO SUPPORT THE MISSION.$12.81M
-
July 16, 2025Mod P00007 · Supplemental Agreement For Work Within ScopeTHE REASON FOR THIS MODIFICATION IS TO INCLUDE ADDITIONAL DESIGN SERVICES. THE CONTRACT ACTION IS ESSENTIAL TO PROCUREMENT AND ALLOWED TO PROCEED AS CONSTRUCTION CHANGE ODER. IT WOULD NOT BE COMPLETE …$3.31M
-
September 23, 2024Mod P00006 · Supplemental Agreement For Work Within ScopeC100883 NUCLEAR MEDICINE DEPARTMENT (NMD) RADIOPHARMACY/BIOLOGICS RADIOLABELING FACILITY AT CLINICAL CENTER CHANGE ORDER - FA REDESIGN COR: JEANNE KEEGAN PO: SEAN ROWE$2.71M
-
September 16, 2024Mod P00008 · Supplemental Agreement For Work Within ScopeBLDG. 40A VRC - CONSTRUCTION QUALITY MANAGEMENT (CQM) SERVICES CONTRACT$8.59M
-
September 4, 2024Mod P00005 · Supplemental Agreement For Work Within ScopeC100883 NUCLEAR MEDICINE DEPARTMENT (NMD) RADIOPHARMACY/BIOLOGICS RADIOLABELING FACILITY AT CLINICAL CENTER CHANGE ORDER - STEEL REDESIGN COR: JEANNE KEEGAN PO: SEAN ROWE$2.68M
-
August 12, 2024Mod P00004 · Other Administrative ActionC111119 SIEMENS BUILDING AUTOMATION SYSTEM (BAS) HARDWARE AND FIRMWARE UPGRADES$3.88M
-
July 8, 2024Mod P00004 · Supplemental Agreement For Work Within ScopeC100883 NUCLEAR MEDICINE DEPARTMENT (NMD) RADIOPHARMACY/BIOLOGICS RADIOLABELING FACILITY AT CLINICAL CENTER CHANGE ORDER - UPS DESIGN ADJUSTMENT COR: JEANNE KEEGAN PO: SEAN ROWE$2.67M
-
June 27, 2024Mod P00007 · Supplemental Agreement For Work Within ScopeBLDG. 40A VRC - CONSTRUCTION QUALITY MANAGEMENT (CQM) SERVICES CONTRACT$6.78M
-
September 29, 2022Mod P00001 · Close OutTHE CONTRACTOR SHALL PROVIDE ALL ITEMS NECESSARY TO FOR THE DESIGN/BUILD CONSTRUCTION EFFORTS TO PROVIDE/CONSTRUCT A CANOPY ON BLDG. 32 OF THE NIH/RML CAMPUS. (SEE THE SCHEDULE)$60.5K
Similar contracts
| Recipient | Agency | Date | Obligated |
|---|---|---|---|
| Aecom Smith Carter Joint Venture | Department Of Health And Human Services | July 1, 2026 | $15.83M |
| Stone Group Architects, Inc. | Department Of Health And Human Services | July 1, 2026 | $100.0K |
| Veteran Design & Construction Inc | Department Of Health And Human Services | June 30, 2026 | $245.3K |
| Montech Inc | Department Of Health And Human Services | June 30, 2026 | $725.5K |
| General Dynamics Information Technology, Inc. | Department Of Health And Human Services | June 30, 2026 | $187.48M |
| Global Engineering Solutions, Inc. | Department Of Health And Human Services | June 30, 2026 | $39.5K |
Top contractors in NAICS 541330
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Lockheed Martin Corp | 4 | $595.21M |
| 2 | General Dynamics Mission Systems, Inc. | 12 | $451.26M |
| 3 | Science Applications International Corporation | 284 | $393.83M |
| 4 | The Charles Stark Draper Laboratory, Inc. | 12 | $341.29M |
| 5 | Booz Allen Hamilton Inc | 135 | $333.61M |
| 6 | Vertex Aerospace Llc | 5 | $240.61M |
| 7 | Bae Systems Technology Solutions & Services Inc. | 87 | $209.69M |
| 8 | General Dynamics Information Technology, Inc. | 42 | $202.29M |
| 9 | Electric Boat Corporation | 9 | $192.32M |
| 10 | Beyond New Horizons, Llc | 1 | $185.98M |
Track this on BesaGov
Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.
Continue learning
Keep researching
Frequently asked questions
What is contract 75N99021F00006?
Contract 75N99021F00006 is a federal contract awarded to Hellmuth, Obata & Kassabaum, P.C. by Department Of Health And Human Services on September 7, 2021 for $11.83 million of work classified under ENGINEERING SERVICES. It has been modified 18 times since the base award.
Who won contract 75N99021F00006?
Hellmuth, Obata & Kassabaum, P.C. won contract 75N99021F00006 from Department Of Health And Human Services.
How much is contract 75N99021F00006 worth?
Contract 75N99021F00006 has obligated $11.83 million to date.