STELL SIA SALAS O'BRIEN LLC
Expires 2027-04-22
Total Awards
15
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
1110 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 |
| Single-Award IDC | National Aeronautics and Space Administration | — | 2030-07-13 | 541310 | Open / Full and Open |
| Single-Award IDC | National Aeronautics and Space Administration | — | 2028-07-31 | 541330 | Open / Full and Open |
| Multi-Award IDC | Department of the Interior | — | 2031-03-17 | 541620 | SDVOSB |
| Multi-Award IDC | Department of the Interior | — | 2031-03-17 | 541620 | SDVOSB |
| Multi-Award IDC | Department of the Interior | — | 2031-03-17 | 541620 | 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
Department of the Interior
3 • $0
INTERIOR, DEPARTMENT OF THE.DEPARTMENTAL OFFICES.IBC ACQ SVCS DIRECTORATE (00004)
3 • $900.0M
National Aeronautics and Space Administration
3 • $0
Department of Commerce
1 • $0
NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NATIONAL AERONAUTICS AND SPACE ADMINISTRATION.NASA ARMSTRONG FLIGHT RESEARCH CNTR
1 • $75.0M
Top NAICS by award volume
Where STELL SIA SALAS O'BRIEN LLC has won the most contracts
541620
3 awards • $0
541330
3 awards • $0
{541620}
3 awards • $900.0M
561210
2 awards • $5K
541310
2 awards • $0
336611
1 awards • $3K
{541310}
1 awards • $75.0M
Set-aside profile
How STELL SIA SALAS O'BRIEN LLC's wins break down by set-aside category
NONE
5 awards
33% of total
SDVOSBC
5 awards
33% of total
SBA
1 awards
7% of total
WOSB
1 awards
7% of total
Recent contract awards
Latest 15 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 |
| 2025-09-23 | Department of the Interior | 541620 | SDVOSBC | — |
| 2025-09-23 | Department of the Interior | 541620 | SDVOSBC | — |
| 2025-09-23 | Department of the Interior | 541620 | SDVOSBC | — |
| 2025-08-01 | National Aeronautics and Space Administration | 541330 | NONE | — |
| 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 | — |
| 2025-07-14 | 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 Qualifications - Playground Structure Design Services
Tennessee BidNet Purchasing Group • TN • Due Jul 16, 2026
Plan Review and/or Inspection Services
City of St. Augustine • FL • Due Jul 16, 2026
LD20260622 - Statewide Utility Relocation Design and Associated Services
Virginia Department of Transportation • VA • Due Jul 16, 2026
Virginia Department of Transportation – Statewide Utility Relocation Design Services (Expression ...
Virginia Department of Transportation - Consultant Procurement • VA • Due Jul 16, 2026
Combat Coder Site Support
U.S. Department Of Defense • GA • Due Jul 16, 2026
West Ascension Drainage Improvements Ascension Parish Bayou McCall
Ascension Parish Government • LA • Due Jul 16, 2026
Bridge Engineering Design Services for Operations Support (Design B-1 Level C)
New Jersey Department of Transportation Procurement • NJ • Due Jul 16, 2026
City Bid - On-Call Traffic Signal Maintenance Services
Connecticut City of Stamford • CT • Due Jul 16, 2026
Port of Alaska Modernization Program Design/Build Services for Helipad and Access Road
Municipality of Anchorage • AK • Due Jul 16, 2026
UGA DP: Project No. J-470 OUA-26-100 Building #1050 Renovation
Board of Regents of the University System of Georgia • GA • Due Jul 16, 2026
Best Practices for Curb Management
New York City Department of Transportation • NY • Due Jul 16, 2026
Furnish 2026 Forestry Surveying
Empire State BidNet Purchasing Group • NY • Due Jul 16, 2026
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