Contractor profile
HELLMUTH, OBATA & KASSABAUM, P.C.
A registration
UEICK9QSQY8MGN4
CAGE0MY56
Primary NAICS541310
LocationWASHINGTON, DC, 20007
Federal obligations$83M
Prime awards32
Active awards15
Latest award actionJul 31, 2026
Federal market profile
Current profileTop federal customers
- Department of State4 awards$45M
- Department of Health and Human Services27 awards$38M
- Millennium Challenge Corporation1 awards$116,878
NAICS mix
- 54133025 awards$75M
- 5413107 awards$8M
PSC mix
- C1191 awards$37M
- C21923 awards$30M
- C1JZ6 awards$15M
- C1AA2 awards$642,638
Contract vehicles
- 75N99020D0000720 awards$30M
- HHSN292201500008I5 awards$8M
- 19AQMM18D00912 awards$8M
Potential recompetes
- Department of Health and Human Services$1M
- Department of Health and Human Services$140,089
- Department of Health and Human Services$9M
- Department of Health and Human Services$644,700
- Department of State$7M
- Department of State$39M
- Department of Health and Human Services$3M
- Department of Health and Human Services$35,853
- Department of State$525,760
- Department of Health and Human Services$4M
Prime award history
| Award | Agency / office | Category | Value | Dates |
|---|---|---|---|---|
| 75N99026F00001C201596 - CQM SERVICES FOR VENTILATION UPGRADES AT CUP KTR: AARON ALTMAN COR: VANESSA ARGOTE MACIA CO: CHRIS POSTEK | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $140,089 | Jan 20, 2026–Nov 30, 2026 |
| 75N99026F00004C201958-TWO CONDENSER WATER PUMPS WERE INSTALLED APPROXIMATELY THREE YEARS AGO ON AN ELEVATED, STRUCTURAL STEEL PLATFORM WHICH HAS EXPERIENCED EXCESSIVE VIBRATION AND WE NEED TO DO DESIGN STUDY TO FIND THE CAUSE OF VIBRATION | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $47,711 | Jul 24, 2026–Nov 23, 2026 |
| 75N98026F00001C201593 CQM SERVICES FOR CUP LEAK REPAIR AT 36 IN. CHW PIPING, BLDG 11, WAYNE SMALLS | Department of Health and Human ServicesNATIONAL INSTITUTES OF HEALTH OLAO | NAICS 541330PSC C219 | $23,013 | Mar 25, 2026–Jun 23, 2026 |
| 19AQMM25D0862SPC AE IDIQ BASE AWARD - HOK | Department of StateACQUISITIONS - AQM MOMENTUM | NAICS 541310PSC C219 | $100,000 | Aug 25, 2025–Not stated |
| 75N99026F00003C104607 - COMMISSIONING SERVICES, BLDG 15B, ZAIRA JIMENEZ | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $35,853 | Jul 16, 2026–Oct 30, 2026 |
| 75N99022F00004C100114 B6 AQ - CO #3 - HOK ADD''L A/E SME SERVICES TO PROVIDE ON SITE TECHNICAL SERVICES FROM SME EARL JOHNSON COR: EARL JOHNSON CO: CHRIS POSTEK CPARS: AARON ALTMAN | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $644,700 | Sep 9, 2022–Dec 31, 2026 |
| 19AQMM21F1740PLEASE SEE THE UNDER $1 MILLION RFCA SHAREPOINT LINK BELOW FOR OBO DESIGN GUIDE FOR SPECIAL SECURITY ENVIRONMENTS DEVELOPMENT. | Department of StateACQUISITIONS - AQM MOMENTUM | NAICS 541330PSC C1AA | $525,760 | Jun 16, 2021–Oct 31, 2026 |
| 75N99021F00006C100883- REDESIGN OF THE RADIOPHARMACY PROJECT WHICH INCLUDES AHUS FOR DLM- AIR DISPERSION MODELING STUDY, EMS PLANNING EFFORT FOR THE RADIOPHARMACY & CQV FOR THE DLM AHUS - NEETHA VARGHESE | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $4M | Aug 19, 2021–Dec 31, 2026 |
| 75N99026D00017FY26 A/E MATOC - DESIGN SERVICES - CONTRACT AWARD IS REQUIRED TO CONTINUE TO SUPPORT THE NIH MISSION REQUIREMENTS FOR A/E SERVICES. | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $0 | Jun 24, 2026–Not stated |
| SAQMMA10C0303TAS::19 0535 000::TAS A&E CONTRACT FOR NEW OFFICE ANNEX MOSCOW, RUSSIA | Department of StateACQUISITIONS - AQM MOMENTUM | NAICS 541330PSC C119 | $39M | Sep 30, 2010–Feb 28, 2027 |
| 75N99020D00007NIH AE MATOC - MULTIPLE AWARD - IDIQ PRODUCT SERVICE CODE: C219 PRODUCT/SERVICE DESCRIPTION: ARCHITECT AND ENGINEERING- GENERAL: OTHER | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $0 | Feb 3, 2020–Not stated |
| 75N99021F00009C102515 NLM DATA CENTER/TUNNEL/ELECTRICAL RELIABILITY POST CONSTRUCTION ADMINISTRATIVE SERVICES | Department of Health and Human ServicesNIH A E CONSTRUCTION | NAICS 541330PSC C219 | $399,452 | Sep 17, 2021–Jul 1, 2026 |