# Hellmuth, Obata & Kassabaum, P.C.

Canonical: https://abierto.us/vendors/hellmuth-obata-and-kassabaum-p-c-ck9qsqy8mgn4

- UEI: CK9QSQY8MGN4
- CAGE: 0MY56
- Location: Washington, DC
- Awards in window: 42 (100 transactions), $27,920,384 obligated, January 12, 2024 to September 9, 2026

## Awarding agencies

- National Institutes of Health: 36 awards, $24,063,231
- Department of State: 6 awards, $3,857,152

## Industries

- 541330 Engineering Services: $23,741,151
- 541310 Architectural Services: $4,179,232

## Competition

- Full and Open Competition: 40 awards
- Full and Open Competition After Exclusion of Sources: 2 awards

## Largest awards

- 75N99024F00006 (delivery order): $9,246,721, NIH a E Construction. Surgery, Radiology, and Laboratory Medicine (Srlm) Construction Quality Management (Cqm) Services - Construction. https://www.usaspending.gov/award/CONT_AWD_75N99024F00006_7529_75N99020D00007_7529/
- 19AQMM26F1143 (delivery order): $4,068,070, Acquisitions - Aqm Momentum. Award of A&e Services for Advancing the Hong Kong Selective Improvements Project.. https://www.usaspending.gov/award/CONT_AWD_19AQMM26F1143_1900_19AQMM25D0862_1900/
- 75N99024F00004 (delivery order): $3,492,197, NIH a E Construction. Replaces Req 6841039 - C107641 Od Poolesville Convert Building 102 a & B Wings Fund Request for CQM Services Po Jose Morel Lopez. https://www.usaspending.gov/award/CONT_AWD_75N99024F00004_7529_75N99020D00007_7529/
- 75N99025F00001 (delivery order): $1,619,231, NIH a E Construction. Technical Review and Support for FY25 NIH Grant Biomedical Construction Projects. This Contract Ensures That Critical NIH Grant Funded Facilities Are at the Highest Levels of Safety, Efficiency, and Reliability.. https://www.usaspending.gov/award/CONT_AWD_75N99025F00001_7529_75N99020D00007_7529/
- 75N99026F00005 (delivery order): $1,585,033, NIH a E Construction. C111151 - This Project Consists of Providing Study and 35% Design Services for Demolition of All Floors of Most of S & T Wings, a Portion of Acrf Garage, and Buildings 59 & 59A, and Re-Purposing the Remaining Acrf Garage.. https://www.usaspending.gov/award/CONT_AWD_75N99026F00005_7529_75N99020D00007_7529/
- 75N99024F00005 (delivery order): $1,396,031, NIH a E Construction. FY24 Grant Reviews Performed by DTR. https://www.usaspending.gov/award/CONT_AWD_75N99024F00005_7529_75N99020D00007_7529/
- 75N99022F00005 (delivery order): $1,313,696, NIH a E Construction. C103157 - Srlm: CQM Services. https://www.usaspending.gov/award/CONT_AWD_75N99022F00005_7529_75N99020D00007_7529/
- 75N99026F00002 (delivery order): $1,177,242, NIH a E Construction. No C - A/E Services - Technical Review and Support for FY26 - NIH Grant Biomedical Construction Projects. This Contract Ensures That Critical NIH Grant Funded Facilities Are at the Highest Levels of Safety, Efficiency, and Reliability.. https://www.usaspending.gov/award/CONT_AWD_75N99026F00002_7529_75N99026D00017_7529/
- 75N99021F00006 (delivery order): $1,026,820, NIH a E Construction. C100883 Nuclear Medicine Department (Nmd) Radiopharmacy/Biologics Radiolabeling Facility at Clinical Center Change Order - Ups Design Adjustment Cor: Jeanne Keegan Po: Sean Rowe. https://www.usaspending.gov/award/CONT_AWD_75N99021F00006_7529_75N99020D00007_7529/
- 75N99026F00002 (delivery order): $868,939, NIH a E Construction. C200710 BLDG 8/8A Reheat Replacement Phase 02 CQM Ktr: Aaron Altman Cor: Julianna Saviola Cs: Tai Ngo Co: Thuy Le. https://www.usaspending.gov/award/CONT_AWD_75N99026F00002_7529_75N99020D00007_7529/
- 75N99026F00007 (delivery order): $759,414, NIH a E Construction. C100243-Design Services for the Complete Demolition of Building 9 and Building 9 Infrastructure and Restoration of the Site to Green Space.. https://www.usaspending.gov/award/CONT_AWD_75N99026F00007_7529_75N99020D00007_7529/
- 75N99023F00001 (delivery order): $726,023, NIH a E Construction. Ca, CX Services - Electrical Switching Station and Emergency Generators (Esseg)/Replace Bldg. 59/59A. https://www.usaspending.gov/award/CONT_AWD_75N99023F00001_7529_75N99020D00007_7529/
- 19AQMM18F2513 (delivery order): $656,943, Acquisitions - Aqm Momentum. Project Development Tasks: Kick Off Meeting, Dedicated Project Space, Site Visit, Site Conditions Survey/Assessment and Blast Studies.. https://www.usaspending.gov/award/CONT_AWD_19AQMM18F2513_1900_19AQMM18D0091_1900/
- 75N99026F00006 (delivery order): $545,734, NIH a E Construction. C104536- Removing Mostly Abandoned Original Motor Control Centers (MCC-1, MCC-2, MCC-3, and MCC-4) in the B3W10 Mechanical Room in Building 38. Derrick Whitaker. https://www.usaspending.gov/award/CONT_AWD_75N99026F00006_7529_75N99020D00007_7529/
- 75N99022F00001 (delivery order): $487,237, NIH a E Construction. NIH NLM 1ST Floor and Mezzanine Renovation: NIH B38 NLM Design; Phase 2/3 Architectural Services & Redesign & Ca Extension Thru 12.31.2024. https://www.usaspending.gov/award/CONT_AWD_75N99022F00001_7529_75N99020D00007_7529/
- 75N99024F00003 (delivery order): $354,232, NIH a E Construction. C108793 - Replace Chilled Water Vertical Risers, Bldg. 10 - Acrf- for Commissioning. https://www.usaspending.gov/award/CONT_AWD_75N99024F00003_7529_75N99020D00007_7529/
- 75N99025F00002 (delivery order): $244,081, NIH a E Construction. C200666 Moseler System Modification and Integration Feasibility Study. https://www.usaspending.gov/award/CONT_AWD_75N99025F00002_7529_75N99020D00007_7529/
- 75N99022F00004 (delivery order): $232,071, NIH a E Construction. C100114 Sme Support Services for Building 6 Aquatics Facility - Upgrade Filtration System No Cost Time Extension Cor: Earl Johnson Cpars: Aaron Altman. https://www.usaspending.gov/award/CONT_AWD_75N99022F00004_7529_75N99020D00007_7529/
- 75N99026F00001 (delivery order): $140,089, NIH a E Construction. C201596 - CQM Services for Ventilation Upgrades at Cup Ktr: Aaron Altman Cor: Vanessa Argote Macia Co: Chris Postek. https://www.usaspending.gov/award/CONT_AWD_75N99026F00001_7529_75N99020D00007_7529/
- 75N99019F00062 (delivery order): $104,198, NIH a E Construction. AE C104037/AE C112352 Description - Mod 05 Supplemental Work Outlined in the CO3 Sow. Cor - Haitao Ma Co - Dave Seid Vendor Poc - N. Scott Jones. https://www.usaspending.gov/award/CONT_AWD_75N99019F00062_7529_HHSN292201500008I_7529/
- 75N99024F00001 (delivery order): $103,479, NIH a E Construction. C116512 - Perform a Nepa Environmental Assessment for the Proposed Dam Repair Project on the Niehs Campus, Mark Radtke. https://www.usaspending.gov/award/CONT_AWD_75N99024F00001_7529_75N99020D00007_7529/
- 19AQMM25D0862: $100,000, Acquisitions - Aqm Momentum. SPC AE IDIQ Base Award - Hok. https://www.usaspending.gov/award/CONT_IDV_19AQMM25D0862_1900/
- 75N99021F00009 (delivery order): $95,383, NIH a E Construction. C102515 Can Swap for Funding Change NLM Data Center/Tunnel/Electrical Reliability Post Construction Administrative Services. https://www.usaspending.gov/award/CONT_AWD_75N99021F00009_7529_75N99020D00007_7529/
- 75N99026F00004 (delivery order): $47,711, NIH a E Construction. C201958-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. https://www.usaspending.gov/award/CONT_AWD_75N99026F00004_7529_75N99020D00007_7529/
- 75N99026F00003 (delivery order): $35,853, NIH a E Construction. C104607 - Commissioning Services, BLDG 15B, Zaira Jimenez. https://www.usaspending.gov/award/CONT_AWD_75N99026F00003_7529_75N99020D00007_7529/
- 75N98026F00001 (delivery order): $23,013, National Institutes of Health Olao. C201593 CQM Services for Cup Leak Repair at 36 In. CHW Piping, BLDG 11, Wayne Smalls. https://www.usaspending.gov/award/CONT_AWD_75N98026F00001_7529_75N99020D00007_7529/
- 75N99023F00003 (delivery order): $22,195, NIH a E Construction. C109988 - Bldg. 10 CRC Exterior Envelope Leak Renovation Study. Cs: Chris Hsu Co: Zach Price Cor: Praveen Agarwal. https://www.usaspending.gov/award/CONT_AWD_75N99023F00003_7529_75N99020D00007_7529/
- 19AQMM21F1740 (delivery order): $0, Acquisitions - Aqm Momentum. No Cost Pop Extension. https://www.usaspending.gov/award/CONT_AWD_19AQMM21F1740_1900_19AQMM18D0091_1900/
- 75N99019F00063 (delivery order): $0, NIH a E Construction. C107535 - CGMP Subject Matter Expert (Sme) for Dtr/Tsb. https://www.usaspending.gov/award/CONT_AWD_75N99019F00063_7529_HHSN292201500008I_7529/
- 75N99019F00067 (delivery order): $0, NIH a E Construction. C106619 - A/E Services for Renovation Design and Construction Documents to Reconfigure the MID-LEVEL Mezzanine, CT #hhsn292201500008i, BLDG 38, Marjorie Marcus. https://www.usaspending.gov/award/CONT_AWD_75N99019F00067_7529_HHSN292201500008I_7529/
- 75N99020F00002 (delivery order): $0, NIH a E Construction. C105044 Post-Design Services for NLM BLDG 38 - Pre-Construction Support During Bidding. https://www.usaspending.gov/award/CONT_AWD_75N99020F00002_7529_HHSN292201500008I_7529/
- 75N99021F00010 (delivery order): $0, NIH a E Construction. C102579 - P00003 No Cost Time Extension Provide All Labor and Supervision for the Chiller Replacement Time Extension and Additional Construction Administration, Bldg. 11.. https://www.usaspending.gov/award/CONT_AWD_75N99021F00010_7529_75N99020D00007_7529/
- 75N99022F00003 (delivery order): $0, NIH a E Construction. C112775 the Purpose of This Modification Is to Extend the Contract, at No Cost, 702 Calendar Days from 9/30/2025 to 9/2/2027. the Extension Is Required to Complete Grant Review Services.. https://www.usaspending.gov/award/CONT_AWD_75N99022F00003_7529_75N99020D00007_7529/
- HHSN29200021 (delivery order): $0, NIH a E Construction. C102579 - A-E Services for R22 Chillers Replacement at Cup - BLDG 11 NIH Bethesda, MD Campus. https://www.usaspending.gov/award/CONT_AWD_HHSN29200021_7529_HHSN292201500008I_7529/
- 19AQMM18D0091: $0, Acquisitions - Aqm Momentum. Obo/Spc - Reilly- Paul - Le - Update Clause. https://www.usaspending.gov/award/CONT_IDV_19AQMM18D0091_1900/
- 75N99020D00007: $0, NIH a E Construction. Incorporate a 120 Calendar Day Time Extension, from 2 February 2026 to 2 June 2026. Product Service Code: C219 Product/Service Description: Architect and Engineering- General: Other. https://www.usaspending.gov/award/CONT_IDV_75N99020D00007_7529/
- 75N99026D00017: $0, NIH a E Construction. FY26 A/E Matoc - Design Services - Contract Award Is Required to Continue to Support the NIH Mission Requirements for A/E Services.. https://www.usaspending.gov/award/CONT_IDV_75N99026D00017_7529/
- HHSN29200025 (delivery order): -$43,180, NIH a E Construction. The Purpose of This Modification Is to Reflect the Change Order 2. Deducts for Conceptual Design and 35% Package to Design-Build Solicitation for Temporary Trailer Facility: I. 35% Design Documents Provided as a Solicitation Package for a Design-Bu. https://www.usaspending.gov/award/CONT_AWD_HHSN29200025_7529_HHSN292201500008I_7529/
- 75N99018F00032 (delivery order): -$49,856, NIH a E Construction. WR-C106585 AE Services Feasibility, Development of Bridging Documents. the Reason for This Modification Is to De-Obligate the Remaining Funding in the Amount of $49,856.13 and Close Out the Task Order.. https://www.usaspending.gov/award/CONT_AWD_75N99018F00032_7529_HHSN292201500008I_7529/
- 75N99021F00003 (delivery order): -$55,728, NIH a E Construction. C105850 - Project Quality Management Services for Building 13 Ground Floor Renovations. https://www.usaspending.gov/award/CONT_AWD_75N99021F00003_7529_75N99020D00007_7529/
- 75N99023F00002 (delivery order): -$89,224, NIH a E Construction. C107342 Design Retaining Wall Metro Center CO#1 to Provide Electrical Engineering Design Services for the Replacement of Old Street Lighting and Remove Final Submission. https://www.usaspending.gov/award/CONT_AWD_75N99023F00002_7529_75N99020D00007_7529/
- 75N99021F00007 (delivery order): -$168,163, NIH a E Construction. C111166 - Technical Reviews of Projects with an Estimated Grantee Project Budget of $8MM Per Project, Bethesda, Jordan Blackburn [21-004133]. https://www.usaspending.gov/award/CONT_AWD_75N99021F00007_7529_75N99020D00007_7529/
- SAQMMA10C0303 (definitive contract): -$967,861, Acquisitions - Aqm Momentum. Obo/Spc - Reilly- Paul - Le - DE-OB. https://www.usaspending.gov/award/CONT_AWD_SAQMMA10C0303_1900_-NONE-_-NONE-/

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Source: USAspending.gov award data, keyed by UEI. Obligations in the window only. Cite https://abierto.us/vendors/hellmuth-obata-and-kassabaum-p-c-ck9qsqy8mgn4.