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EXHIBIT 21.1
MASTEC, INC.
AFFILIATED ENTITIES
JULY 2004
NORTH AMERICA
Church & Tower, Inc.(FL) (100% owned by MasTec, Inc.)
Church & Tower Environmental, Inc.(DE) (100% owned by MasTec, Inc.)
Cruz-Cell, Inc. (IN) (100% owned by MasTec North America, Inc.)
Dresser/Areia Construction, Inc. (CA) (100% owned by MasTec North America, Inc.)
Flaire Incorporated (MO) (100% owned by MasTec North America, Inc.)
Integral Power & Telecommunications Corporations Ltd. (100% owned by Phasecom Systems Inc.)
(Canadian)
MasTec Asset Management Company, Inc. (NV) (100% owned by MasTec, Inc)
MasTec Contracting Company, Inc. (NV) (100% owned by MasTec, Inc)
MasTec Integration Systems, Inc. (CA) (100% owned by MasTec, Inc.)
f/k/a Aidco Systems, Inc.
MasTec Minnesota SW, LLC (NV) (100% MasTec Services Company, Inc.)
MasTec Network Services, Inc. (CA) (100% owned by MasTec, Inc.)
f/k/a Aidco, Inc.
MasTec North America, Inc. (FL) (100% owned by MasTec, Inc.)
MasTec Services Company, Inc. (FL)
f/k/a Central America Construction, Inc. (100% owned by MasTec, Inc.)
MasTec Minnesota SW, LLC (NV) (100% MasTec Services Company, Inc.)
MasTec Telcom & Electrical Services, Inc. (NY) (100% owned by MasTec North America, Inc.)
f/k/a Alert Electrical Contracting Co., Inc.
Phasecom Systems Inc. (Canadian) (100% owned by MasTec, Inc.)
Phasecom America, Inc. (FL) (100% owned by MasTec North America, Inc.)
Protel Ind., Inc. (FL) (100% owned by MasTec North America, Inc.)
Renegade of Idaho, Inc. (FL) (100% owned by MasTec, Inc.)
S.S.S. Construction, Inc. (MN) (100% owned by MasTec, Inc.)
Upper Valley Utilities Corp. (UT) (100% owned by MasTec North America, Inc.)
Wilde Holding Co., Inc.(DE) (100% owned by MasTec, Inc.)
Wilde Acquisition Co., Inc. (DE) (100% owned by Wilde Holding Co.,Inc)
Northland Contracting, Inc. (MN) (100% owned by Wilde Acquisition Co., Inc.)
Wilde Optical Service, Inc. (MN) (100% owned by MasTec, Inc.)
JMC Insurance Company, Inc. (100% owned by MasTec, Inc.)
NEVCO LLC I (NV) (Sole member - MasTec, Inc.)
NEVCO LLC II (NV) (Sole member - Scott Europe Holdings One LP)
Globetec Construction, LLC (FL) 51% owned by MasTec, Inc.
S & D Communications, Inc. (MO) 49% owned by MasTec, Inc.
M & J Cable TV Contractor, Inc. (IL) 49% owned by MasTec North America, Inc.
HOLDING COMPANIES
MasTec FC, Inc. (NV) (100 % owned by MasTec, Inc.)
MasTec Real Estate Holdings, Inc. (FL) (100% owned by MasTec, Inc.)
Stackhouse Real Estate Holdings, Inc. (100% owned by MasTec North America, Inc.)
(f/k/a H-W Acquisition II, Inc. (DE)
MasTec of Texas, Inc. (TX) (100% owned by MasTec, Inc.)
MasTec TC, Inc. (NV) (100% owned by MasTec, Inc.)
INTERNATIONAL
LATIN AMERICA
Aidco de Mexico, S.A. de C.V. (Mex.) (98% owned by MasTec, Inc.)
(2% owned by MasTec International Holdings, Inc.)
MasTec Latin America, Inc. (DE) (100% owned by MasTec, Inc.)
Acietel Mexicana, S.A. (Mex.) (99% owned by Dresser Acquisition Company)
(1% owned by MasTec International Holdings, Inc.)
MasTec Brasil S/A (Brazil) (88% owned by MasTec Latin America, Inc.)
CIDE Engenharia, Ltda. (Brazil) (100% owned by MasTec Brasil S/A)
Mastec Participacoes Do Brasil LTDA (100% owned by MasTec, Inc.)
MasTelecom Europe I APS (Denmark) (100% owned by MasTec, Inc.)
MasTelecom Europe II BV (Netherlands) (100% owned by MasTelecom Europe I APS)
MasTelecom Services S. DE R.L. DE C.V. (100% owned by MasTelecom Europe II BV)
(Mexico)
MasTelecom S. DE R.L. DE C.V. (100% owned by MasTelecom Europe II BV)
(Mexico)
Pantel Inversiones de Venezuela, CA (100% owned by MasTec Venezuela, Inc.)
(Venezuela)
Burntel Telecommunications, C.A. (50% owned by Pantel Inversiones)
Scott Europe Holdings One LP (Scotland) (MasTec, Inc. Limited Partner)(Nevco LLC I General
Partner)
Scott Europe Holdings Two LP (Scotland) (Nevco LLC II General Partner)(Scott Europe Holdings One
LP Limited Partner)
HOLDING COMPANIES
MasTec Brazil, Inc. (FL) (100% owned by MasTec, Inc.)
MasTec Brazil II, Inc. (FL) (100% owned by MasTec, Inc.)
MasTec Ecuador, Inc. (FL) (100% owned by MasTec, Inc.)
Mastec International Holdings, Inc. (FL) (100% owned by MasTec, Inc.)
MasTec Venezuela, Inc. (FL) (100% owned by MasTec, Inc.)
MasTec Spain, Inc. (FL) (100% owned by MasTec, Inc.)
Dresser Acquisition Company (FL) (100% owned by MasTec North America, Inc.)
INTERNATIONAL INVESTMENTS
Latlink Corporation (DE) (100% owned by MasTec, Inc.)
Latlink Argentina, Inc. (DE) (100% owned by Latlink Corporation)