


| Revenue | Over $500 million See Exact Annual Revenue |
|---|---|
| Employees | Over 1,000Exact Company Size |
| Primary Industry | 54133 Engineering Services |
| Address | 8825 Research Drive Ste 210 Irvine, CA 92618 |
| Salas O'brien | Revenue Est. ($ Million) | Growth Rate (%) | # Employees |
|---|---|---|---|
| 2025 | Over $500 million Details in Premium Report | ||
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| Salas O'brien P&L | $ Millions |
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| Trademark | Date |
|---|---|
| SALAS O'BRIEN Construction project management services; providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus, equipment and devices used for automated or partly automated industrial operations; installation of fire suppression systems; building construction services; building construction services, namely, building plumbing installation, plumbing installation advisory services, advisory services relating to the maintenance of plumbing; building construction supervision and management | 05/18/2021 |
| SALAS O'BRIEN EXPECT A DIFFERENCE Construction project management services; providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus, equipment and devices used for automated or partly automated industrial operations; installation of fire suppression systems; building construction services; building construction services, namely, building plumbing installation, plumbing installation advisory services, advisory services relating to the maintenance of plumbing; building construction supervision and management | 05/18/2021 |
| COMMON SENSE COMMISSIONING Consulting in the field of engineering | 08/28/2012 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| CONSTELLATION NEWENERGY | Baltimore, MD | 100 |
| PERATON | Herndon, VA | 40 |
| WSP USA BUILDINGS | New York, NY | 25 |
| AMENTUM SERVICES | Germantown, MD | 24 |
| BELCAN | Cincinnati, OH | 22 |
| WSP USA | New York, NY | 21 |
| AECOM TECHNICAL SERVICES | San Antonio, TX | 16 |
| AMENTUM GOVERNMENT SERVICES PARENT HOLDING | Germantown, MD | 16 |
| STANTEC CONSULTING SERVICES | Chandler, AZ | 14 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| SALAS O'BRIEN | Irvine, CA | 100 |
| SOH HOLDINGS | Irvine, CA | 13 |
| KTGY GROUP | Irvine, CA | 12 |
| WARE MALCOMB | Irvine, CA | 9 |
| IBI GROUP A CALIFORNIA | Irvine, CA | 9 |
| LPA | Irvine, CA | 7 |
| Company | Headquarters | Revenue ($ MM) |
|---|---|---|
| SOH HOLDINGS | Irvine, CA | 100 |
| OMB ELECTRICAL ENGINEERS | Irvine, CA | 5 |
| Company | Revenue ($ MM) |
|---|---|
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