Vendor, Redmond, WA
Stell Sia Salas O'Brien LLC
UEI ZW5FFJ7KPHB8, CAGE 97R33
27 awards and $2,524,569 obligated between April 21, 2024 and October 22, 2026, 67% under full and open competition, against 174.4 offers on average where reported. 26 of the awards trace back to a SAM.gov solicitation on this site.
Sells to
Awarding agencies by dollars.
Industries
NAICS on the awards, by dollars.
| Engineering ServicesNAICS 541330 | $2,515,569 |
| Facilities Support ServicesNAICS 561210 | $5,000 |
| Ship Building and RepairingNAICS 336611 | $2,500 |
| Environmental Consulting ServicesNAICS 541620 | $1,500 |
| Architectural ServicesNAICS 541310 | $0 |
How it wins
Awards by competition, set-aside and type.
| Full and Open Competition | 18 |
| Full and Open Competition After Exclusion of Sources | 9 |
| Service Disabled Veteran Owned Small Business SET-ASIDE | 7 |
| Small Business Set Aside - Total | 1 |
| Women Owned Small Business | 1 |
| Delivery Order | 10 |
| BPA Call | 5 |
Hear when Stell Sia Salas O'Brien LLC wins an award and when a contract it holds is about to end.Follow it
Contracts ending soon
Contracts Stell Sia Salas O'Brien LLC holds whose performance ends in the next 19 months, by published end date. Each one is a recompete to prepare for.
- Ending
- 4
- Obligated so far
- $1,159,289
- Soonest
- March 12, 2027
The 4 contracts, the office behind each one and the dates are in the workspace. See them
Competes with
Vendors selling engineering services to National Aeronautics and Space Administration, by dollars.
| Asrc Federal System Solutions LLCBeltsville, MD | $646,077,024 |
| Science Applications International CorporationReston, VA | $227,418,404 |
| AI Solutions Inc.Cape Canaveral, FL | $215,155,898 |
| Ares Technical Services CorporationMclean, VA | $97,088,698 |
| Opr LLCBeltsville, MD | $94,386,269 |
| Victory Solutions, LLCHuntsville, AL | $79,164,265 |
Solicitations it won
SAM.gov opportunities whose award USAspending attributes to this vendor.
- West Regional Architect - Engineer Services (WRAES) - Synopsis
National Aeronautics and Space Administration, NASA Armstrong Flight Research CNTR
Award noticeNAICS 541310California80AFRC25D0004Awarded to Stell Sia Salas O'Brien LLC for $75,000,000
Posted Jul 22, 2025
Awards
Every award in the window, by dollars obligated.
| Contract | Awarding office | Described as | Obligated |
|---|---|---|---|
| 80GRC026F0007Delivery Order, April 2, 2026, Full and Open Competition, 1 offers | NASA Glenn Research CenterNational Aeronautics and Space Administration | Office of Strategic Infrastructure Ames Preventive Maintenance T-1, T-2 Equipment Assets Optimization IDIQ Project. This PM Optimization TasNAICS 541330, PSC C219 | $982,006 |
| 36C10F24F0023Delivery Order, September 17, 2024, Full and Open Competition, 1 offers | Office of Construction & Facilities MGMTDepartment of Veterans Affairs | In the Development of Request for Proposal (Rfp) for Project Number 663-203, Seismic Upgrade & Renovation of Building 9 at VA Medical CenterNAICS 541330, PSC C211 | $475,190 |
| 36C10F24F0024Delivery Order, September 17, 2024, Full and Open Competition, 1 offers | Office of Construction & Facilities MGMTDepartment of Veterans Affairs | In the Development of Request for Proposal (Rfp) in Support of Design Build Procurement for Project Number 663-204, Seismic Upgrade & RenovaNAICS 541330, PSC C211 | $344,450 |
| 1333ND25FNB190163BPA Call, September 10, 2025, Full and Open Competition | Department of Commerce NISTNational Institute of Standards and Technology | Cam Services BPA Call Order #02. NIST Campus Located in Gaithersburg, Maryland.NAICS 541330, PSC C219 | $265,871 |
| 80GRC026F0008Delivery Order, April 3, 2026, Full and Open Competition, 1 offers | NASA Glenn Research CenterNational Aeronautics and Space Administration | Erae Building 12 Back-Up Generator This Project Is to Design a 480V Alternate Electrical Source to Building 12 Steam Plant Fed from a New NaNAICS 541330, PSC C219 | $190,080 |
| 1333ND26FNB190107BPA Call, September 2, 2026, Full and Open Competition | Department of Commerce NISTNational Institute of Standards and Technology | NIST and Pricebook Hosting. Ou19-Fy26-210-NewNAICS 541330, PSC C219 | $102,891 |
| 1333ND24FNB190223BPA Call, September 13, 2024, Full and Open Competition | Department of Commerce NISTNational Institute of Standards and Technology | Builder SMS Data Hosting and Gordian Support Services, BPA Call #1. Capital Asset Management Services. NIST Gaithersburg Campus Located in MNAICS 541330, PSC C219 | $76,945 |
| 1333ND26FNB190112BPA Call, August 19, 2026, Full and Open Competition | Department of Commerce NISTNational Institute of Standards and Technology | Builder SMS Consulting Services, Ou19-Fy26-216-NewNAICS 541330, PSC C219 | $39,248 |
| 1333ND26FNB190105BPA Call, August 19, 2026, Full and Open Competition | Department of Commerce NISTNational Institute of Standards and Technology | BPA Call Order for Calculating 3&4 Quarter Backlog Amounts. Ou19-Fy26-211-NewNAICS 541330, PSC C219 | $35,143 |
| 47QRCA25DSF02April 15, 2025, Full and Open Competition After Exclusion of Sources, 999 offers | Gsa/Fas/Pshc/Oasis PlusFederal Acquisition Service | One Acquisition Solution for Integrated Services Plus (Oasis+) Small Business Multiple Agency Contract (Mac)NAICS 336611, PSC R499 | $2,500 |
| 47QRCA25DV052April 16, 2025, Full and Open Competition After Exclusion of Sources, 579 offers | Gsa/Fas/Pshc/Oasis PlusFederal Acquisition Service | One Acquisition Solution for Integrated Services Plus (Oasis+) Service-Disabled Veteran-Owned Small Business Multiple Agency Contract (Mac)NAICS 561210, PSC R499 | $2,500 |
| 47QRCA25DW083June 12, 2025, Full and Open Competition After Exclusion of Sources, 589 offers | Gsa/Fas/Pshc/Oasis PlusFederal Acquisition Service | One Acquisition Solution for Integrated Services Plus (Oasis+) Women Owned Small Business Multiple Agency Contract (Mac)NAICS 561210, PSC R499 | $2,500 |
| 75H70524F80013Delivery Order, August 5, 2024, Full and Open Competition, 6 offers | Bemidji Area Indian Health ServiceIndian Health Service | To Provide Comprehensive Facility Condition Assessment Reports for Various Health Facilities Across Mn, Wi, and Mi.NAICS 541330, PSC C213 | $1,744 |
| 80GRC025F0009Delivery Order, August 5, 2025, Full and Open Competition, 1 offers | NASA Glenn Research CenterNational Aeronautics and Space Administration | The Purpose of This Task Order Is to Provide Funding to Cover the Minimum Order Amount on the Base Contract of $1,000. No Work Will Be ComplNAICS 541330, PSC C219 | $1,000 |
| W9127825FA037Delivery Order, May 13, 2025, Full and Open Competition, 13 offers | W074 Endist MobileDepartment of the Army | Environmental Quality (Eq) Program Matoc Minimum GuaranteeNAICS 541330, PSC C219 | $1,000 |
| 140D0425F1034Delivery Order, September 23, 2025, Full and Open Competition After Exclusion of Sources | Ibc Acq SVCS DirectorateDepartmental Offices | 140D0425D0031, VA Environmental Minimum GuaranteeNAICS 541620, PSC F999 | $500 |
| 140D0425F1035Delivery Order, September 23, 2025, Full and Open Competition After Exclusion of Sources | Ibc Acq SVCS DirectorateDepartmental Offices | Minimum Guarantee for Parent 140D0425D0041 VA EnvironmentalNAICS 541620, PSC F999 | $500 |
| 140D0425F1039Delivery Order, September 23, 2025, Full and Open Competition After Exclusion of Sources | Ibc Acq SVCS DirectorateDepartmental Offices | 140D0425D0036 VA Environmental Minimum GuaranteeNAICS 541620, PSC F999 | $500 |
| 1333ND24ANB190017August 29, 2024, Full and Open Competition, 2 offers | Department of Commerce NISTNational Institute of Standards and Technology | Capital Asset Management Services. Various NIST Campuses as Listed in the Scope of Work.NAICS 541330, PSC C219 | $0 |
| 140D0425D0031September 23, 2025, Full and Open Competition After Exclusion of Sources, 16 offersSolicitation | Ibc Acq SVCS DirectorateDepartmental Offices | The Department of the Interior (Doi) Acquisition Services Directorate (Aqd), on Behalf of VA CFM Has a Requirement to Provide Advice and AssNAICS 541620, PSC F999 | $0 |
| 140D0425D0036September 23, 2025, Full and Open Competition After Exclusion of Sources, 16 offersSolicitation | Ibc Acq SVCS DirectorateDepartmental Offices | The Department of the Interior (Doi) Acquisition Services Directorate (Aqd), on Behalf of VA CFM Has a Requirement to Provide Advice and AssNAICS 541620, PSC F999 | $0 |
| 140D0425D0041September 23, 2025, Full and Open Competition After Exclusion of Sources, 16 offersSolicitation | Ibc Acq SVCS DirectorateDepartmental Offices | The Department of the Interior (Doi) Acquisition Services Directorate (Aqd), on Behalf of VA CFM Has a Requirement to Provide Advice and AssNAICS 541620, PSC F999 | $0 |
| 47QRAA23D005NApril 21, 2024, Full and Open Competition, 999 offers | Gsa/Fas/Pshc/Prof SRVCS Sched-PssFederal Acquisition Service | Federal Supply Schedule ContractNAICS 541330, PSC F999 | $0 |
| 80AFRC25D0004July 14, 2025, Full and Open Competition, 17 offersSolicitation | NASA Armstrong Flight Research CNTRNational Aeronautics and Space Administration | Architect-Engineer (A-E) Services for Design and Related Services in Support of General Construction, Alteration, Modification, Maintenance NAICS 541310, PSC C1AZ | $0 |
| 80AFRC25D0011July 14, 2025, Full and Open Competition, 17 offers | NASA Armstrong Flight Research CNTRNational Aeronautics and Space Administration | Architect-Engineer (A-E) Services for Design and Related Services in Support of General Construction, Alteration, Modification, Maintenance NAICS 541310, PSC C1AZ | $0 |
| 80GRC025D0012August 1, 2025, Full and Open Competition, 27 offersSolicitation | NASA Glenn Research CenterNational Aeronautics and Space Administration | This Acquisition Will Provide A-E Services for the Eastern Region of NASA Including GRC (Lf and Atf), Gsfc, Wff, and Larc, with the PossibilNAICS 541330, PSC C219 | $0 |
| W9127825DA011April 11, 2025, Full and Open Competition, 13 offers | W074 Endist MobileDepartment of the Army | Environmental Quality (Eq) Program MatocNAICS 541330, PSC C219 | $0 |
- Places of performance
- WashingtonMarylandCaliforniaOhioMinnesotaAlabama
- Product and service codes
- C219 Other Architect and Engineering ServicesC211 Architect - Engineer Services (including landscaping, interior layout, and designing)R499 Other Professional ServicesC213 A&E Inspection Services (non-construction)F999 Other Environmental Services, Studies, and Analytical SupportC1AZ Architect And Engineering- Construction: Other Administrative Facilities/Service Buildings
- Transactions
- 92 across 27 awards