Exhibit 21
SUBSIDIARIES OF AMERICAN TOWER CORPORATION
| | | | | | | | |
| Subsidiary | | Jurisdiction of Incorporation or Organization |
| | |
| | | | | |
| 10 Presidential Way Associates, LLC | Delaware |
| 3267351 Nova Scotia Company | Nova Scotia |
| 3286208 Nova Scotia Company | Nova Scotia |
| 3298099 Nova Scotia Company | Nova Scotia |
| 52 Eighty Partners, LLC | Delaware |
| 52 Eighty Tower Partners I, LLC | Delaware |
| 52 Eighty, LLC | Delaware |
| ACC Tower Sub, LLC | Delaware |
| ActiveX Telebroadband Services Private Limited | India |
| Adquisiciones y Proyectos Inalámbricos, S. de R. L. de C.V. | Mexico |
| Agile Airband Ohio, LLC | Delaware |
| Agile Connect, LLC | Delaware |
| Agile IWG Holdings, LLC | Delaware |
| Agile Network Builders, LLC | Delaware |
| Agile Networks Indiana, LLC | Delaware |
| Agile Networks Site Development, LLC | Delaware |
| Agile Towers, LLC | Delaware |
| Alternative Networking LLC | Florida |
| American Tower Asset Sub II, LLC | Delaware |
| American Tower Asset Sub, LLC | Delaware |
| American Tower Charitable Foundation, Inc. | Delaware |
| American Tower Delaware Corporation | Delaware |
| American Tower Depositor Sub, LLC | Delaware |
| American Tower do Brasil - Cessão de Infraestruturas Ltda. | Brazil |
| American Tower do Brasil – Communicação Multimídia Ltda. | Brazil |
| American Tower Guarantor Sub, LLC | Delaware |
| American Tower Holding Sub, LLC | Delaware |
| American Tower Holding Sub II, LLC | Delaware |
| American Tower International Holding I LLC | Delaware |
| American Tower International Holding II LLC | Delaware |
| American Tower International, Inc. | Delaware |
| American Tower Investments LLC | California |
| American Tower LLC | Delaware |
| American Tower Management, LLC | Delaware |
| American Tower Mauritius | Republic of Mauritius |
| American Tower Servicios Fibra, S. de R.L. de C.V. | Mexico |
| American Tower Tanzania Operations Limited | Tanzania |
| American Towers LLC | Delaware |
| AT Kenya C.V. | Netherlands |
| AT Netherlands C.V. | Netherlands |
| | | | | |
| AT Netherlands Coöperatief U.A. | Netherlands |
| AT Sao Paulo C.V. | Netherlands |
| AT Sher Netherlands Coöperatief U.A. | Netherlands |
| AT South America C.V. | Netherlands |
| ATC Africa Holding B.V. | Netherlands |
| ATC Africa Shared Services (Pty) Ltd | South Africa |
| ATC Antennas Holding LLC | Delaware |
| ATC Antennas LLC | Delaware |
| ATC Argentina Coöperatief U.A. | Netherlands |
| ATC Argentina C.V. | Netherlands |
| ATC Argentina Holding LLC | Delaware |
| ATC Asia Pacific Pte. Ltd. | Singapore |
| ATC Atlantic C.V. (1) | Netherlands |
| ATC Atlantic II B.V. | Netherlands |
| ATC Atlantic III B.V. | Netherlands |
| ATC Backhaul LLC | Delaware |
| ATC Brasil – Serviços de Conectividades Ltda. | Brazil |
| ATC Brazil Holding LLC | Delaware |
| ATC Brazil I LLC | Delaware |
| ATC Brazil II LLC | Delaware |
| ATC Burkina Faso S.A. | Burkina Faso |
| ATC Chile Holding LLC | Delaware |
| ATC Colombia B.V. | Netherlands |
| ATC Colombia Holding I LLC | Delaware |
| ATC Colombia Holding LLC | Delaware |
| ATC Colombia I LLC | Delaware |
| ATC CSR Foundation India | India |
| ATC Ecuador Holding LLC | Delaware |
| ATC Edge LLC | Delaware |
| ATC EH GmbH & Co. KG (2) | Germany |
| ATC Ethiopia Infrastructure Development Private Limited Company | Ethiopia |
| ATC Europe B.V. (1) | Netherlands |
| ATC Europe LLC (3) | Delaware |
| ATC European Holdings, Inc. | Delaware |
| ATC Fibra de Colombia, S.A.S. | Colombia |
| ATC France SAS | France |
| ATC France Coöperatief U.A. | France |
| ATC France Holding SAS | Netherlands |
| ATC France Holding II SAS | France |
| ATC France Réseaux SAS | France |
| ATC France Services SAS | France |
| ATC Germany Holdings GmbH | Germany |
| ATC Germany Services GmbH | Germany |
| ATC Ghana ServiceCo Limited | Ghana |
| ATC GP GmbH (3) | Germany |
| ATC Global Employment B.V. | Netherlands |
| ATC Heston B.V. | Netherlands |
| | | | | |
| ATC Holding Fibra Mexico S. de R.L. DE C.V. | Mexico |
| ATC India Infrastructure Private Limited | India |
| ATC Indoor DAS Holding LLC | Delaware |
| ATC Indoor DAS LLC | Delaware |
| ATC International Coöperatief U.A. | Netherlands |
| ATC International Financing B.V. | Netherlands |
| ATC International Financing II B.V. | Netherlands |
| ATC International Financing II Holding LLC | Delaware |
| ATC International Holding Corp. | Delaware |
| ATC IP LLC | Delaware |
| ATC Iris I LLC | Delaware |
| ATC Kenya Operations Limited | Kenya |
| ATC Kenya Services Limited | Kenya |
| ATC Latin America S.A. de C.V., SOFOM, E.N.R. | Mexico |
| ATC Managed Sites Holding LLC | Delaware |
| ATC Managed Sites LLC | Delaware |
| ATC MexHold LLC | Delaware |
| ATC Mexico Holding LLC | Delaware |
| ATC MIP III REIT Iron Holdings LLC | Delaware |
| ATC Niger Wireless Infrastructure S.A. | Niger |
| ATC Nigeria Coöperatief U.A. | Netherlands |
| ATC Nigeria C.V. | Netherlands |
| ATC Nigeria Holding LLC | Delaware |
| ATC Nigeria Wireless Infrastructure Limited | Nigeria |
| ATC On Air + LLC | Delaware |
| ATC Operations LLC | Delaware |
| ATC Outdoor DAS, LLC | Delaware |
| ATC Paraguay Holding LLC | Delaware |
| ATC Paraguay S.R.L. | Paraguay |
| ATC Peru Holding LLC | Delaware |
| ATC Polska sp. z o.o. | Poland |
| ATC Ponderosa B-I LLC | Delaware |
| ATC Ponderosa B-II LLC | Delaware |
| ATC Ponderosa K LLC | Delaware |
| ATC Ponderosa K-R LLC | Delaware |
| ATC Sequoia LLC | Delaware |
| ATC Sitios de Chile S.A. | Chile |
| ATC Sitios de Colombia S.A.S. | Colombia |
| ATC Sitios del Peru S.R.L. | Peru |
| ATC Sitios Infraco S.A.S. | Colombia |
| ATC South Africa Investment Holdings (Proprietary) Limited | South Africa |
| ATC South Africa Services Pty Ltd | South Africa |
| ATC South Africa Wireless Infrastructure (Pty) Ltd | South Africa |
| ATC South Africa Wireless Infrastructure II (Pty) Ltd | South Africa |
| ATC South America Holding LLC | Delaware |
| ATC South LLC | Delaware |
| ATC Spain LLC | Delaware |
| | | | | |
| ATC Tanzania Holding LLC | Delaware |
| ATC Telecom Infrastructure Private Limited (1) | India |
| ATC Tower (Ghana) Limited (3) | Republic of Ghana |
| ATC Tower Services LLC | Delaware |
| ATC TRS I LLC | Delaware |
| ATC TRS II LLC | Delaware |
| ATC TRS III LLC | Delaware |
| ATC TRS IV LLC | Delaware |
| ATC Uganda Limited (2) | Uganda |
| ATC Uganda ServiceCo (SMC) Limited | Uganda |
| ATC Watertown LLC | Delaware |
| ATC WiFi LLC | Delaware |
| ATS-Needham LLC (1) | Massachusetts |
| Blue Sky Towers Pty Ltd | South Africa |
| Blue Transfer Sociedad Anonima | Paraguay |
| Broadcast Towers, LLC | Delaware |
| California Tower, Inc. | Delaware |
| Cell Site NewCo II, LLC | Delaware |
| Cell Tower Lease Acquisition LLC | Delaware |
| Central States Tower Holdings, LLC | Delaware |
| CNC2 Associates, LLC | Delaware |
| Colo ATL, LLC | Delaware |
| Communications Properties, Inc. | Delaware |
| Comunicaciones y Consumos S.A. | Argentina |
| Connectivity Infrastructure Services Limited | Nigeria |
| DCS Tower Sub, LLC | Delaware |
| Eaton Towers Ghana Limited | Ghana |
| Eaton Towers Ghana (M) Limited | Mauritius |
| Eaton Towers Holdings Limited | Jersey |
| Eaton Towers Kenya Limited | Kenya |
| Eaton Towers (Lilongwe) Limited | Malawi |
| Eaton Towers Limited | United Kingdom |
| Eaton Towers Niger S.A. | Niger |
| Eaton Towers Uganda Limited | Uganda |
| Eure-et-Loir Réseaux Mobiles SAS (1) | France |
| Ghana Tower InterCo B.V. (1) | Netherlands |
| Global Tower Assets III, LLC | Delaware |
| Global Tower Assets, LLC | Delaware |
| Global Tower Holdings, LLC | Delaware |
| Global Tower Services, LLC | Delaware |
| Global Tower, LLC | Delaware |
| Gondola Tower Holdings LLC | Delaware |
| GrainComm I, LLC | Delaware |
| GrainComm II, LLC | Delaware |
| GrainComm III, LLC | Delaware |
| GrainComm LLC | Delaware |
| | | | | |
| GrainComm V, LLC | Delaware |
| GrainComm Marketing, LLC | Delaware |
| Grain HoldCo, LLC | Delaware |
| Grain HoldCo Parent, LLC | Delaware |
| GTP Acquisition Partners I, LLC | Delaware |
| GTP Acquisition Partners II, LLC | Delaware |
| GTP Acquisition Partners III, LLC | Delaware |
| GTP Costa Rica Finance, LLC | Delaware |
| GTP Infrastructure I, LLC | Delaware |
| GTP Infrastructure II, LLC | Delaware |
| GTP Infrastructure III, LLC | Delaware |
| GTP Investments LLC | Delaware |
| GTP LATAM Holdings B.V. | Netherlands |
| GTP LatAm Holdings Coöperatieve U.A. | Netherlands |
| GTP Operations CR, S.R.L. | Costa Rica |
| GTP South Acquisitions II, LLC | Delaware |
| GTP Structures I, LLC | Delaware |
| GTP Structures II, LLC | Delaware |
| GTP Torres CR, S.R.L. | Costa Rica |
| GTP Towers I, LLC | Delaware |
| GTP Towers II, LLC | Delaware |
| GTP Towers III, LLC | Delaware |
| GTP Towers IV, LLC | Delaware |
| GTP Towers IX, LLC | Delaware |
| GTP Towers V, LLC | Delaware |
| GTP Towers VII, LLC | Delaware |
| GTP Towers VIII, LLC | Delaware |
| GTP TRS I LLC | Delaware |
| GTPI HoldCo, LLC | Delaware |
| Haysville Towers, LLC (1) | Kansas |
| Idaho Tower Company LLC | Delaware |
| InSite (BCEC) LLC | Delaware |
| InSite (MBTA) LLC | Delaware |
| InSite Borrower, LLC | Delaware |
| InSite Co-Issuer Corp. | Delaware |
| InSite Guarantor, LLC | Delaware |
| InSite Hawaii, LLC | Delaware |
| InSite Issuer, LLC | Delaware |
| InSite Licensing, LLC | Delaware |
| InSite Towers Development 2, LLC | Delaware |
| InSite Towers Development LLC | Delaware |
| InSite Towers International 2, LLC | Delaware |
| InSite Towers International Development LLC | Delaware |
| InSite Towers International, LLC | Delaware |
| InSite Towers of Puerto Rico, LLC | Puerto Rico |
| InSite Towers, LLC | Delaware |
| InSite Wireless Development LLC | Delaware |
| | | | | |
| InSite Wireless Group, LLC | Delaware |
| Insite Wireless, LLC | Delaware |
| Invisible IWG Holdings, LLC | Delaware |
| Invisible Towers LLC | Delaware |
| IW Equipment, LLC | Delaware |
| IWD Equipment, LLC | Delaware |
| IWG Holdings, LLC | Delaware |
| IWG II Holdings, LLC | Delaware |
| IWG II, LLC | Delaware |
| IWG Miami, LLC | Delaware |
| IWG Towers Assets I, LLC | Delaware |
| IWG Towers Assets II, LLC | Delaware |
| IWG-TLA Australia Pty, Ltd. | Australia |
| IWG-TLA Canada Corp. | Nova Scotia |
| IWG-TLA Encanto 1, LLC | Delaware |
| IWG-TLA Encanto 2, LLC | Delaware |
| IWG-TLA Encanto 3, LLC | Delaware |
| IWG-TLA Encanto, LLC | Delaware |
| IWG-TLA Holdings, LLC | Delaware |
| IWG-TLA Media 2, LLC | Delaware |
| IWG-TLA Media, LLC | Delaware |
| IWL-TLA Telecom 2, LLC | Delaware |
| IWG-TLA Telecom, LLC | Delaware |
| JT Communications, LLC | Georgia |
| Lap do Brasil Empreendimentos Imobiliários Ltda | Brazil |
| LAP Inmobiliaria Limitada | Chile |
| LAP Inmobiliaria S.R.L. | Peru |
| Lease Advisors-AU PTY LTD | Australia |
| LL B Sheet 1, LLC | Delaware |
| Loxel SAS | France |
| MATC Digital, S. de R.L. de C.V. | Mexico |
| MATC Infraestructura, S. de R.L. de C.V. | Mexico |
| MATC Servicios, S. de R.L. de C.V. | Mexico |
| MC New Macland Properties, LLC | Georgia |
| MCSU Properties, LLC | Georgia |
| MHB Tower Rentals of America, LLC | Mississippi |
| Microwave, Inc. | Delaware |
| MIP III Iron Holdings LLC | Delaware |
| MIP III U.S. Iron LLC | Delaware |
| Municipal Bay, LLC | Delaware |
| Municipal-Bay Holdings, LLC | Delaware |
| New Towers LLC | Delaware |
| PCS Structures Towers, LLC | Delaware |
| R-CAL I, LLC | Delaware |
| Repeater Communications Group IV, LLC | New York |
| Repeater Communications Group I, LLC | New York |
| Repeater Communications Group II, LLC | New York |
| | | | | |
| Repeater Communications Group III, LLC | New York |
| Repeater Communications Group of New York, LLC | New York |
| Repeater Communications Group V, LLC | New York |
| Repeater Communications Group VI, LLC | New York |
| Repeater Communications Group, LLC | New York |
| Repeater IWG Holdings, LLC | Delaware |
| Richland Towers, LLC | Delaware |
| RSA Media, Inc. | Massachusetts |
| Signum/IWG Tower Corp. | Nova Scotia |
| Southeast Network Access Point, LLC | Georgia |
| SpectraSite Communications, LLC | Delaware |
| SpectraSite, LLC | Delaware |
| T8 Ulysses Site Management LLC | Delaware |
| Telecom Lease Advisors Management 2, LLC | Delaware |
| TLA PR-1, LLC | Delaware |
| TLA PR-2, LLC | Delaware |
| Tower Management, Inc. (4) | Indiana |
| Towers of America, L.L.L.P. | Delaware |
| Transcend Infrastructure Holdings Pte. Ltd. | Singapore |
| Transcend Towers Infrastructure (Philippines), Inc. | Philippines |
| Turris Sites Development Corp. | Nova Scotia |
| Turris Sites IWG Corp | Nova Scotia |
| Tysons II DAS, LLC | Delaware |
| Uganda Tower Interco B.V. (1) | Netherlands |
| Ulysses Asset Sub I, LLC | Delaware |
| Ulysses Asset Sub II, LLC | Delaware |
| UniSite, LLC | Delaware |
| UniSite/Omnipoint FL Tower Venture, LLC (1) | Delaware |
| UniSite/Omnipoint NE Tower Venture, LLC (1) | Delaware |
| UniSite/Omnipoint PA Tower Venture, LLC (1) | Delaware |
| Vangard Wireless, LLC | Delaware |
| Verus Management One, LLC | Delaware |
| Virdi IWG Holdings, LLC | Delaware |
(1)Majority interest owned by a wholly owned subsidiary.
(2)Majority interest owned by a majority owned subsidiary.
(3)Wholly owned by a majority owned subsidiary.
(4)50% owned by a wholly owned subsidiary.
