STELL SIA SALAS O'BRIEN LLC
Expires 2027-04-22
Total Awards
10
Since 2023
Total Won
$975.0M
Federal contracts
Avg Award
$97.5M
Largest Award
$300.0M
Last: 2025-09-23
Capabilities
Primary NAICS
541330
Additional NAICS codes (20)
Product Service Codes (PSC) — 15
CAGE codes
Contract Vehicles Held
65 activeFederal contract vehicles (GWACs, GSA Schedules, BPAs, IDCs, BOAs) where this vendor is the recipient. Task orders are issued through these vehicles.
| Type | Agency | Amount | Expires | NAICS | Set-Aside |
|---|---|---|---|---|---|
| Single-Award IDC | General Services Administration | $3K | 2030-04-14 | 336611 | Small Business |
| Single-Award IDC | General Services Administration | $3K | 2030-04-15 | 561210 | SDVOSB |
| Single-Award IDC | General Services Administration | $3K | 2030-06-11 | 561210 | WOSB |
| GWAC | National Aeronautics and Space Administration | — | 2025-12-02 | 541310 | Open / Full and Open |
| BOA | General Services Administration | — | 2028-04-16 | 541330 | Open / Full and Open |
| Other IDV | Department of Commerce | — | 2027-08-31 | 541330 | SDVOSB |
Sourced from USAspending via BidSparq's vehicle directory. Hard cap 25 results.
Top customer agencies
Agencies that have awarded the most contracts to STELL SIA SALAS O'BRIEN LLC
General Services Administration
4 • $8K
INTERIOR, DEPARTMENT OF THE.DEPARTMENTAL OFFICES.IBC ACQ SVCS DIRECTORATE (00004)
3 • $900.0M
Department of Commerce
1 • $0
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NASA ARMSTRONG FLIGHT RESEARCH CNTR
1 • $75.0M
National Aeronautics and Space Administration
1 • $0
Top NAICS by award volume
Where STELL SIA SALAS O'BRIEN LLC has won the most contracts
{541620}
3 awards • $900.0M
541330
2 awards • $0
561210
2 awards • $5K
336611
1 awards • $3K
541310
1 awards • $0
{541310}
1 awards • $75.0M
Set-aside profile
How STELL SIA SALAS O'BRIEN LLC's wins break down by set-aside category
NONE
3 awards
30% of total
SDVOSBC
2 awards
20% of total
SBA
1 awards
10% of total
WOSB
1 awards
10% of total
Recent contract awards
Latest 10 federal contracts awarded to STELL SIA SALAS O'BRIEN LLC
| Date | Agency | NAICS | Set-aside | Amount |
|---|---|---|---|---|
| 2025-09-23 | INTERIOR, DEPARTMENT OF THE.DEPARTMENTAL OFFICES.IBC ACQ SVCS DIRECTORATE (00004) | {541620} | — | $300,000,000 |
| 2025-09-23 | INTERIOR, DEPARTMENT OF THE.DEPARTMENTAL OFFICES.IBC ACQ SVCS DIRECTORATE (00004) | {541620} | — | $300,000,000 |
| 2025-09-23 | INTERIOR, DEPARTMENT OF THE.DEPARTMENTAL OFFICES.IBC ACQ SVCS DIRECTORATE (00004) | {541620} | — | $300,000,000 |
| 2025-07-14 | NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NASA ARMSTRONG FLIGHT RESEARCH CNTR | {541310} | NONE | $75,000,000 |
| 2025-07-14 | National Aeronautics and Space Administration | 541310 | NONE | — |
| 2025-06-12 | General Services Administration | 561210 | WOSB | $2,500 |
| 2025-04-16 | General Services Administration | 561210 | SDVOSBC | $2,500 |
| 2025-04-15 | General Services Administration | 336611 | SBA | $2,500 |
| 2024-09-01 | Department of Commerce | 541330 | SDVOSBC | — |
| 2023-04-17 | General Services Administration | 541330 | NONE | — |
Active RFPs in STELL SIA SALAS O'BRIEN LLC's primary NAICS (541330)
Open opportunities matching this vendor's NAICS specialty
REQUEST FOR PROPOSALS Rider 7 PM2.5 Program Servicesand Air Quality Planning Activities
State of Texas • TX • Due Jun 5, 2026
RFP - Professional Services in Support of Economic Development, Tax Increment Finance Projects, a...
City of Bozeman • MT • Due Jun 5, 2026
Sources Sought - Property Accountability Support Services at NUWCDIVKPT
U.S. Department Of Defense • PA • Due Jun 5, 2026
Engineering Design Services for Phoenicia Bridge Replacement
Empire State BidNet Purchasing Group • NY • Due Jun 5, 2026
WTF Pipeline Connections Design
Rocky Mountain E-BidNet Purchasing System • CO • Due Jun 5, 2026
Heating Plant Boiler Upgrade – Design Services
Rocky Mountain E-BidNet Purchasing System • CO • Due Jun 5, 2026
SEAT Public Transit Study Consulting Services (New London Local COA)
Southeastern Connecticut Council of Gov • CT • Due Jun 5, 2026
(A&E) CIVIL Multi-State MATOC for grasslands and forests MT, ID, ND, SD, CO, KS, NE, and WY
USFS Region 4: Intermountain Region • MT • Due Jun 5, 2026
Request for Information, Project Phenom
U.S. Department Of Defense • VA • Due Jun 5, 2026
Hydrostatic / Ultrasonic Testing of Nitrogen Cylinders
U.S. Department Of Defense • PA • Due Jun 5, 2026
Phase 2a Supervisory Control and Data Acquisition Improvements
Northern Kentucky Water District • KY • Due Jun 5, 2026
Task Order Contracts for Inspection & Material Testing Services for Various County Facilities
Montgomery County • MD • Due Jun 5, 2026
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