| MOISTURE INTRUSION SOLUTIONS, LLCDaytona Beach, FL · Active | Daytona Beach, FL | LLC | May 3, 2023 | Active |
| ROB MALLAN MINISTRIES, INC.Tampa, FL · Inactive | Tampa, FL | Nonprofit | Jan 3, 2022 | Inactive |
| KDW SALAS O'BRIEN, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 18, 2012 | Active |
| PCI CONSULTANTS INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 10, 2009 | Active |
| THE LEFFLER GROUP CONSULTING STRUCTURAL ENGINEERS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 27, 2017 | Inactive |
| SALAS O'BRIEN, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 20, 2025 | Active |
| SALAS O'BRIEN CONSULTING AND ENGINEERING GROUP OF NEW YORK, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 27, 2025 | Active |
| ANDERSON KRAFT CONSTRUCTION AND REMODELING LLCPort Charlotte, FL · Inactive | Port Charlotte, FL | LLC | Mar 9, 2017 | Inactive |
| SALAS O'BRIEN SOUTH, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 27, 2005 | Active |
| SALAS O'BRIEN NORTH, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 27, 2017 | Active |
| PROCESS PLUS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 2, 2017 | Active |
| PROCESS PLUS DESIGN BUILD, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Feb 26, 2019 | Inactive |
| AUTOMATION PLUS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 8, 2021 | Active |
| SALAS O'BRIEN INDUSTRIAL ALLY, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 26, 2024 | Active |
| CHAVEZ-GRIEVES CONSULTING ENGINEERS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 18, 2025 | Active |
| RBA STRUCTURAL ENGINEERING, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Nov 12, 2025 | Active |
| SALAS O'BRIEN LIGHTING DESIGN ALLIANCE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 28, 2026 | Active |
| RELIANT FAMILY CHURCH, INC.Tampa, FL · Inactive | Tampa, FL | Nonprofit | Jul 20, 2006 | Inactive |
| FORE ACADEMY, INC.Perry, FL · Inactive | Perry, FL | Corporation | Jan 27, 2003 | Inactive |
| CURRENT SOLUTIONS INDUSTRIES, INC.Perry, FL · Inactive | Perry, FL | Corporation | Nov 12, 2003 | Inactive |
| DMANDERSON CONSULTING INC.Fort Myers, FL · Inactive | Fort Myers, FL | Corporation | Dec 6, 2022 | Inactive |
| SALAS O'BRIEN FLORIDA, INC.Orlando, FL · Active | Orlando, FL | Corporation | Jul 19, 1991 | Active |