Every fact below links to its source. Informational only. Ownership statements are limited to primary announcements and filings.
- Headquarters
- Irvine, CaliforniaSource: salasobrien.com
- Ownership type
- Employee-owned (firm statement): home and offices pages state Salas O'Brien is an employee-owned engineering and technical consulting firm; no ESOP-named plan found under this sponsor in the DOL Form 5500 2024 NAICS 541330 fileSource: salasobrien.com
- Sponsor or parent
- Firm statement of employee ownership on the home pageSource: salasobrien.com
- Website
- salasobrien.comSource: salasobrien.com
Legal name, DBA and former names
- Salas O'Brien, Inc.Source: salasobrien.com
Identifiers (UEI, state registrations)
- SAM UEI LKNCCHZ6C3X9 (as shown on the USAspending recipient record) and Texas TBPELS firm no. 26982.Source: usaspending.gov/recipient/f052ce42-adf5-3ce8-51…
Ownership type
- Employee-owned (firm statement): home and offices pages state Salas O'Brien is an employee-owned engineering and technical consulting firm; no ESOP-named plan found under this sponsor in the DOL Form 5500 2024 NAICS 541330 file.Source: salasobrien.com
Sponsor, parent or transaction
- Firm statement of employee ownership on the home page.Source: salasobrien.com
Services and markets
- Engineering and technical consulting / facility planning.Source: salasobrien.com/offices
Leaders
- Darin Anderson, Chairman and CEO.Source: salasobrien.com/people
- Tim Burnham, President.Source: salasobrien.com/people
- Paul Silva, COO, Business Services.Source: salasobrien.com/people
Licences (board records)
- Texas TBPELS roster lists Salas O'Brien, Inc. (firm no. 26982, type NS, expires 2026-12-31)Source: tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
Federal awards (contracts)
- USAspending recipient record SALAS O'BRIEN ENGINEERS, INC. (San Jose, CA), contract award obligations: FY2021 $0, FY2022 $0, FY2023 $0, FY2024 $3,066,166, FY2025 -$346,103 (net reduction from modifications) (award types A to D; obligations as published, including modifications and negative adjustments)Source: usaspending.gov/recipient/f052ce42-adf5-3ce8-51…
This line reflects one USAspending recipient record for one legal entity and does not describe all federal work by the firm or its affiliates.
Public filings
- DOL Form 5500 filings, plan year beginning 2024-01-01, NAICS 541330: SALAS O'BRIEN RETIREMENT PLAN (ACK_ID 20260114154328NAL0006429139001, 2,531 active participants)Source: dol.gov/agencies/ebsa/about-ebsa/our-ac…
Rankings and awards
- Listed in the ENR 2026 Top 500 Design Firms.Source: enr.com/toplists/2026-top-500-design-fi…
Sources of record
- https://salasobrien.com/
- https://www.usaspending.gov/recipient/f052ce42-adf5-3ce8-51ff-612ab49c25db-P/latest
- https://salasobrien.com/offices/
- https://salasobrien.com/people/
- https://tbpedownloads.s3-us-west-2.amazonaws.com/roster_firm.zip
- https://www.dol.gov/agencies/ebsa/about-ebsa/our-activities/public-disclosure/foia/form-5500-datasets
- https://www.enr.com/toplists/2026-top-500-design-firms-1
Ownership tag: Employee-owned (ESOP). Profiles are informational, compiled from public sources linked above. Firms may request corrections. A listing is not an endorsement.
