| R.W. MURRAY CO.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 23, 1982 | Inactive |
| ARCO NATIONAL CONSTRUCTION COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 17, 2000 | Inactive |
| ARCO BUSINESS SERVICES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 27, 2001 | Active |
| ARCO DESIGN/BUILD, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 28, 2006 | Inactive |
| ARCO MULTI-FAMILY GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 23, 2007 | Inactive |
| INDUSTRIAL CONCRETE CONSTRUCTION, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 12, 2008 | Inactive |
| MERCO MECHANICAL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 6, 2010 | Inactive |
| MIDWEST CONCRETE CONSTRUCTORS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 13, 2011 | Inactive |
| GMA ARCHITECTS OF MISSOURI, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 4, 2012 | Inactive |
| ARCO DESIGN/BUILD - BTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 17, 2016 | Inactive |
| ARCO/MURRAY NATIONAL PROCESS SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 16, 2016 | Inactive |
| AM MECHANICAL FLORIDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 17, 2017 | Inactive |
| ARCO DESIGN/BUILD INDUSTRIAL PHILADELPHIA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 13, 2018 | Inactive |
| ARCO DESIGN/BUILD SOUTHWEST, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 18, 2018 | Inactive |
| ARCO/MURRAY NATIONAL DALLAS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 18, 2018 | Inactive |
| ARCO NATIONAL LIVING GROUP, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 14, 2019 | Inactive |
| ARCO DESIGN/BUILD SE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 1, 2019 | Inactive |
| ARCO/MURRAY NATIONAL TENANT SOLUTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 15, 2020 | Inactive |
| ARCO CONSTRUCTION COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 3, 2022 | Inactive |
| ARCO DB COMPANIES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 15, 2025 | Active |
| ARCO MURRAY, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 21, 2025 | Active |
| FLORIDA ARCO CONSTRUCTION COMPANY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 11, 1997 | Inactive |
| ARCO SPECIALTY CONSTRUCTION COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 14, 1999 | Inactive |
| GMA DESIGN GROUP, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Nov 30, 1999 | Inactive |
| JEFFREY COOK LLCOrange Park, FL · Inactive | Orange Park, FL | LLC | Aug 11, 2010 | Inactive |