| PAUL DIMARCO PHOTOGRAPHY LLCBoynton Beach, FL · Active | Boynton Beach, FL | LLC | Oct 12, 2011 | Active |
| HENKELS & MCCOY WEST, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Aug 1, 2022 | Active |
| MASTEC UTILITY SERVICES, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Jul 15, 2021 | Active |
| SUPPORT OPERATIONS SERVICES, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Jun 7, 2021 | Active |
| MASTEC INFRASTRUCTURE HOLDINGS, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Feb 10, 2021 | Active |
| ENVIRONMENTAL AND DEWATERING SOLUTIONS, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Jul 15, 2020 | Active |
| SOUTHPAW FENCING LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Jun 4, 2020 | Active |
| MASTEC CIVIL CONSTRUCTORS, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Oct 17, 2019 | Active |
| PRETEC DIRECTIONAL DRILLING, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Mar 14, 2016 | Active |
| PACER CONSTRUCTION CORPORATIONCoral Gables, FL · Active | Coral Gables, FL | Corporation | Oct 27, 2015 | Active |
| MASTEC INDUSTRIAL CORP.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Jul 21, 2015 | Active |
| MASTEC TPP, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | May 6, 2015 | Active |
| MASTEC FFH, INC.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Oct 28, 2014 | Active |
| MASTEC MEXICO HOLDING COMPANY, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Dec 26, 2013 | Active |
| CCM INVESTMENT HOLDING CO.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Nov 5, 2013 | Active |
| MASTEC ETS SERVICE COMPANY, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Aug 28, 2013 | Active |
| MASTEC NETWORK SOLUTIONS, INC.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Sep 8, 2011 | Active |
| POWER PARTNERS MASTEC, INC.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Sep 17, 2010 | Active |
| ENERGY ERECTORS, INC.Leesburg, FL · Active | Leesburg, FL | Corporation | Feb 12, 2001 | Active |
| DIMAZ INVESTMENT CORPOrlando, FL · Active | Orlando, FL | Corporation | Jul 31, 2023 | Active |
| PHOENIX INDUSTRIAL, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 17, 2010 | Active |
| BYERS ENGINEERING COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Dec 13, 1978 | Active |
| WANZEK CONSTRUCTION, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 3, 2004 | Active |
| HMI SERVICES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 16, 2016 | Active |
| DECISIVE COMMUNICATIONS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 25, 2016 | Active |
| CASH CIVIL CONSTRUCTION, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 18, 2019 | Active |
| QUADGEN WIRELESS SOLUTIONS INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 8, 2019 | Active |
| H&M SHARED SERVICES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Feb 17, 2021 | Active |
| KINGSLEY CONSTRUCTORS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 18, 2021 | Active |
| CLEARWATER PHYSICIANS, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Aug 27, 1985 | Inactive |
| PAUL DIMARCO, M.D., P.A.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Aug 1, 1986 | Inactive |
| GULF COAST MEDICAL WEIGHT MANAGEMENT, P.A.Clearwater, FL · Inactive | Clearwater, FL | Corporation | May 4, 1989 | Inactive |
| AZURE ENTERTAINMENT, LLC.West Palm Beach, FL · Inactive | West Palm Beach, FL | LLC | Mar 8, 2002 | Inactive |
| PAD CREATIONS, LLCLake Worth, FL · Inactive | Lake Worth, FL | LLC | Jan 15, 2003 | Inactive |
| E.P. LEWIS INVESTMENTS, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Jul 6, 2004 | Inactive |
| D & D PROPERTIES OF TAMPA BAY, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Aug 6, 2004 | Inactive |
| GPR COMMUNICATIONS, LLCWest Palm Beach, FL · Inactive | West Palm Beach, FL | LLC | Jan 31, 2007 | Inactive |
| PAULIE DEE PRODUCTIONS, LLCLake Worth, FL · Inactive | Lake Worth, FL | LLC | Jan 11, 2008 | Inactive |
| EC SOURCE SERVICES, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 13, 2010 | Active |
| SEA-MARCO D6, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Sep 28, 2022 | Inactive |
| CHURCH & TOWER, INC.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Aug 22, 1990 | Active |
| SAIIA CONSTRUCTION COMPANY OF DE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 10, 2010 | Active |
| HANGING H COMPANIES, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 14, 2017 | Active |
| WHITE CONSTRUCTION OF INDIANA, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Feb 18, 2019 | Active |
| IEA CONSTRUCTORS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 11, 2019 | Active |
| INTREN, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 29, 2021 | Active |
| THE BULGE IN THE BACK, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | May 9, 1988 | Inactive |
| MASTEC MEXICO HOLDING COMPANY, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jul 1, 2010 | Inactive |
| MASTEC EQUIPMENT, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Oct 17, 2017 | Inactive |
| CASEY INDUSTRIAL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 16, 1991 | Inactive |