| CHURCH & TOWER, INC. (L95201) | Pres |
| FLAIRE, INC. OF MISSOURI (F99000001250) | Director |
| M3 HOLDINGS ALT, LLC (L04000030742) | Director |
| MASTEC BRAZIL I, INC. (P99000003070) | Dire |
| MASTEC INTERNATIONAL HOLDINGS, INC. (P99000000930) | Director |
| MASTEC, INC. (P98000032690) | Dire |
| MIAMI SHARKS INC. (P12000023231) | Director |
| ATLANTIC REAL ESTATE HOLDINGS CORP. (P92000012722) | Director |
| FREEDOM TOWER PARTNER III, INC. (P97000075713) | President |
| JOSE RAMON MAS HOLDINGS, LLC (L14000156014) | Mana |
| MASTEC BRAZIL II, INC. (P99000003203) | Dire |
| MASTEC NORTH AMERICA, INC. (P98000034383) | Dire |
| RENEGADE OF IDAHO, INC. (P00000058402) | Director |
| AKERO HOLDINGS, INC. (P05000054104) | Director |
| DRESSER ACQUISITION COMPANY (P00000075324) | Director |
| MASCAP DEVELOPMENT, L.C. (L97000000895) | Director |
| CHURCH & TOWER OF FLORIDA, INC. (335216) | President |
| CMA HOMES 3975 LITTLE AVE, LLC (L25000551687) | MGR |
| JORGE MAS CANOSA FREEDOM FOUNDATION, INC. (759057) | Secretary |
| JORGE MAS CANOSA FREEDOM FOUNDATION, INC. (759057) | SD |
| JRM ALVAH HOLDINGS, LLC (L21000526477) | AMBR |
| LATLINK CORPORATION (F95000006315) | Director |
| MAS DEVELOPMENT, INC. (P97000077436) | Director |
| MAS FAMILY FOUNDATION INC. (N94000006337) | DS |
| MASTEC VENEZUELA, INC. (P99000000936) | Dire |
| PHASECOM AMERICA INC. (P97000066737) | Director |
| PROTEL IND., INC. (P97000020765) | Director |
| SOL MAS, LLC (L06000021466) | MGR |
| MASTEC ECUADOR, INC. (P99000003898) | Director |
| MASTEC SERVICES COMPANY, INC. (P97000088258) | Dire |
| MASTEC SPAIN, INC. (P99000000938) | Dire |
| PONCE CIRCLE DEVELOPERS, L.L.C. (L05000024198) | MGR |
