| BCC CABLE SYSTEMS, INC. (P94000035560) | Director |
| CHURCH & TOWER FIBER TEL, INC. (F95000002120) | Director |
| DUC-MAS CORPORATION (422520) | Director |
| FREEDOM SQUARE FOUNDATION, INC. (N05000002310) | Director |
| FREEDOM TOWER PARTNER I, INC. (P97000075750) | President |
| JMC ADMINISTRATION, INC. (P98000049111) | PST |
| M3 HOLDINGS ALT, LLC (L04000030742) | Director |
| MASTEC ITS, INC. (P01961) | Director |
| SOUTHEASTERN LIQUIDATING CO., INC.. (102770) | CD |
| TALLAHASSEE THEATRES, INC. (851480) | DC |
| THE DEVINEY COMPANY (822861) | CPD |
| AKERO CAPITAL FUND V, LLC (L06000008012) | MGR |
| ATLANTIC REAL ESTATE HOLDINGS CORP. (P92000012722) | Director |
| BURNUP & SIMS COMMUNICATIONS SERVICES OF FLORIDA, INC. (851562) | DC |
| BURNUP & SIMS ENTERPRISES, INC. (839853) | CD |
| BURNUP & SIMS TELCOM OF FLORIDA, INC. (P94000060952) | Director |
| CARIBBEAN BASIN INVESTMENT CORPORATION (F70702) | DV |
| CHURCH & TOWER COMMUNICATIONS, INC. (389412) | PD |
| CRC OF SOUTH FLORIDA, INC. (P95000006013) | President |
| MASTEC COMTEC OF THE CAROLINAS, INC. (845573) | Director |
| MASTEC NICARAGUA I, INC. (P99000000932) | Director |
| MASTEC, INC. (822123) | PD |
| NEFF INTERNATIONAL, INC. (V30552) | Director |
| AKERO HOLDINGS, INC. (P05000054104) | Director |
| BURNUP & SIMS COMTEC, INC. (844545) | Director |
| COMMUNICATION CONTRACTORS, INC. (M06344) | PD |
| FLOYD THEATRES, INC. (855584) | DC |
| INTER MIAMI FTL STADIUM, LLC (M19000003995) | P, C |
| JORGE MAS & ASSOCIATES, INC. (J94864) | Director |
| KENDALL INDUSTRIAL PARK, LTD. (A07415) | G |
| MASTEC NICARAGUA II, INC. (P99000000934) | Director |
| MASTEC TECHNOLOGIES, INC. (F95000005094) | DC |
| UTILITY LINE MAINTENANCE, INC. (P26304) | Director |
| BURNUP & SIMS NETWORK DESIGNS, INC. (844556) | Director |
| CHURCH & TOWER OF FLORIDA, INC. (335216) | Director |
| CHURCH & TOWER OF TN, INC. (844546) | Director |
| DESIGNED TRAFFIC INSTALLATION CO. (290626) | Director |
| FG BROTHERS TRANSPORT INC (P12000101857) | President |
| HAVEN OUTDOOR THEATRE, INC. (160516) | CD |
| INTER MIAMI CF, LLC (M18000008397) | P/CE |
| JMC ACQUISITIONS, INC. (P98000049807) | PST |
| MAS DEVELOPMENT, INC. (P97000077436) | Director |
| MAS FAMILY FOUNDATION INC. (N94000006337) | DP |
| 0101 MIAMI PROPERTIES, LLC (M16000002387) | Mana |
| AIRPORT EXECUTIVE CENTER CONDOMINIUM ASSOCIATION, INC. (N11419) | VD |
| AKERO CAPITAL FUND IV, LLC (L06000003178) | PRES |
| BAYSIDE 180 II, LLC (L08000117178) | MGR |
| FLORIDA DESIGN BUILDERS, INC. (P92000012729) | Director |
| JCM EQUIPMENT COMPANY, INC. (L38499) | PD |
| MAS EQUITY LENDING, LLC (L14000181199) | AMBR |
| MASIFY, LLC (L24000248348) | MGR |
| MIAMI BECKHAM UNITED LLC (M13000007728) | PRES |
| MP EQUIPMENT RENTAL & SALES, INC. (M53439) | CD |
| MP EQUIPMENT RENTAL & SALES, INC. (M53439) | STD |
| MT DORAL, INC. (P04000077348) | Director |
| NEW VENTURE REALTY, INC. (P94000026338) | Director |
| SANTOS CAPITAL, INC. (P95000063787) | Chairman |
| SHANCO CORPORATION (P97000011398) | Director |
| SOUTHEASTERN PRINTING OF NEW YORK, INC. (J67839) | DC |
| TWINS DEVELOPMENT LLC (L05000019989) | PRES |
