| CHURCH & TOWER, INC. (L95201) | Dire |
| ENERGY ERECTORS, INC. (P01000016220) | VP, |
| GPR COMMUNICATIONS, LLC (L07000011661) | MGRM |
| H&M SHARED SERVICES, INC. (F21000000961) | Trea |
| IEA CONSTRUCTORS, LLC (M19000002361) | VP |
| MASTEC BRAZIL I, INC. (P99000003070) | Dire |
| MASTEC CIVIL CONSTRUCTORS, LLC (L19000251211) | MGR, |
| MASTEC EQUIPMENT, INC. (P17000083911) | VP, |
| MASTEC MEXICO HOLDING COMPANY, INC. (P10000055811) | VP |
| MASTEC, INC. (P98000032690) | CFO, |
| POWER PARTNERS MASTEC, INC. (P10000076410) | CFO |
| THE BULGE IN THE BACK, INC. (M79791) | DS |
| CASEY INDUSTRIAL, INC. (P35133) | CFO, |
| CCM INVESTMENT HOLDING CO. (P13000090262) | VP, |
| CONFLUENCE NETWORKS LLC (L19000104503) | Mana |
| D & D PROPERTIES OF TAMPA BAY, LLC (L04000058833) | VP |
| GULF COAST MEDICAL WEIGHT MANAGEMENT, P.A. (K85673) | Director |
| MASTEC BRAZIL II, INC. (P99000003203) | Dire |
| MASTEC ETS SERVICE COMPANY, LLC (L13000122114) | VP, |
| MASTEC NETWORK SOLUTIONS, INC. (P11000080122) | CFO, |
| MASTEC NORTH AMERICA, INC. (P98000034383) | CFO, |
| MASTEC TPP, LLC (L15000080382) | VP |
| PACER CONSTRUCTION CORPORATION (P15000088442) | VP, |
| PHOENIX INDUSTRIAL, INC. (F10000000833) | VP |
| QUADGEN WIRELESS SOLUTIONS INC. (F19000004533) | Trea |
| SEA-MARCO D6, LLC (L22000420964) | AMBR |
| SUPPORT OPERATIONS SERVICES, LLC (L21000263773) | VP |
| WANZEK CONSTRUCTION, INC. (F04000006322) | Dire |
| WHITE CONSTRUCTION OF INDIANA, LLC (M19000001723) | VP |
| CLEARWATER PHYSICIANS, INC. (H73044) | President |
| EC SOURCE SERVICES, LLC (L10000073795) | VP |
| HANGING H COMPANIES, LLC (M17000006965) | VP |
| MASTEC INDUSTRIAL CORP. (P15000062085) | VP, |
| MILLENIUM SECURITY SERVICES, INC. (P97000084264) | VP |
| PAULIE DEE PRODUCTIONS, LLC (L08000003895) | MGRM |
| AZURE ENTERTAINMENT, LLC. (L02000005927) | MGR |
| CASH CIVIL CONSTRUCTION, INC. (F19000001486) | VP |
| EVERGLADES DADS, INC. (N23000010266) | VICE |
| HENKELS & MCCOY WEST, LLC (L22000338866) | VP |
| INTREN, LLC (M21000008296) | VP |
| KINGSLEY CONSTRUCTORS, INC. (F21000002746) | VP |
| MASTEC FFH, INC. (P14000088436) | CFO, |
| MASTEC INFRASTRUCTURE HOLDINGS, LLC (L21000071686) | VP |
| MASTEC VENEZUELA, INC. (P99000000936) | Dire |
| PAUL DIMARCO PHOTOGRAPHY LLC (L11000116807) | MGRM |
| PAUL DIMARCO, M.D., P.A. (J26777) | DR |
| PRETEC DIRECTIONAL DRILLING, LLC (L16000052335) | Trea |
| BYERS ENGINEERING COMPANY (842038) | Trea |
| DECISIVE COMMUNICATIONS, INC. (F16000002398) | VP, |
| DIMAZ INVESTMENT CORP (P23000056039) | President |
| E.P. LEWIS INVESTMENTS, LLC (L04000050157) | MGR |
| ENVIRONMENTAL AND DEWATERING SOLUTIONS, LLC (L20000206048) | Trea |
| HMI SERVICES, INC. (F16000002228) | Trea |
| MASTEC MEXICO HOLDING COMPANY, LLC (L13000178358) | VP, |
| MASTEC SERVICES COMPANY, INC. (P97000088258) | Dire |
| MASTEC SPAIN, INC. (P99000000938) | Dire |
| MASTEC UTILITY SERVICES, LLC (L21000323648) | Trea |
| SOUTHPAW FENCING LLC (M20000005029) | VP |
