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Exhibit 21.1

List of Subsidiaries of QTS Realty Trust, Inc.

Subsidiary Name			State of Incorporation or Formation
2470 Satellite Boulevard, LLC			Delaware
Ashburn Acquisition Co, LLC			Delaware
Bondurant Acquisition Co., LLC			Delaware
Carpathia Acquisition, LLC			Delaware
Carpathia Hosting, LLC			Delaware
ENH Investments, LLC			Delaware
Los Lunas Acquisition Co., LLC			Delaware
Manassas Acquisition Co., LLC			Delaware
NAC II, LLC			Delaware
National Acquisition Company, LLC			Delaware
New Albany Acquisition Co., LLC			Delaware
Papillion Acquisition Co., LLC			Delaware
QTS Aurora, LLC			Delaware
QTS Critical Facilities Management, LLC			Delaware
QTS Federal, LLC			Delaware
QTS Finance Corporation			Delaware
QTS Investment Properties Ashburn II, LLC			Delaware
QTS Investment Properties Ashburn, LLC			Delaware
QTS Investment Properties Carpathia, LLC			Delaware
QTS Investment Properties Chicago, LLC			Delaware
QTS Investment Properties Fort Worth, LLC			Delaware
QTS Investment Properties Hillsboro, LLC			Delaware
QTS Investment Properties Manassas II, LLC			Delaware
QTS Investment Properties Manassas, LLC			Delaware
QTS Investment Properties Phoenix, LLC			Delaware
QTS Investment Properties Piscataway, LLC			Delaware
QTS Investment Properties Princeton, LLC			Delaware
QTS JV I Holding II, LLC			Delaware
QTS JV I Holding, LLC			Delaware
QTS JV I TRS, LLC			Delaware
QTS JV I, LLC			Delaware
QTS Metro II, LLC			Delaware
QTS San Antonio II, LLC			Delaware
QTS San Antonio III, LLC			Delaware
QTS San Antonio IV, LLC			Delaware
QTS San Antonio, LLC			Delaware
Quality Investment Properties Gateway, LLC			Delaware
Quality Investment Properties Irving II, LLC			Delaware
Quality Investment Properties Irving, LLC			Delaware
Quality Investment Properties Lenexa, LLC			Delaware

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Subsidiary Name			State of Incorporation or Formation
Quality Investment Properties Metro, LLC			Delaware
Quality Investment Properties Miami, LLC			Delaware
Quality Investment Properties Richmond, LLC			Delaware
Quality Investment Properties Sacramento, LLC			Delaware
Quality Investment Properties Santa Clara, LLC			Delaware
Quality Investment Properties, Suwanee, LLC			Delaware
Quality Technology Services - Manassas Facilities Management, LLC			Delaware
Quality Technology Services Ashburn II, LLC			Delaware
Quality Technology Services B.V.			Netherlands
Quality Technology Services Chicago II, LLC			Delaware
Quality Technology Services Federal Holding, LLC			Delaware
Quality Technology Services Fort Worth II, LLC			Delaware
Quality Technology Services Holding, LLC			Delaware
Quality Technology Services Irving II, LLC			Delaware
Quality Technology Services Jersey City, LLC			Delaware
Quality Technology Services Lenexa II, LLC			Delaware
Quality Technology Services Lenexa, LLC			Delaware
Quality Technology Services Metro II, LLC			Delaware
Quality Technology Services Miami II, LLC			Delaware
Quality Technology Services Northeast, LLC			Delaware
Quality Technology Services Phoenix II, LLC			Delaware
Quality Technology Services Piscataway II, LLC			Delaware
Quality Technology Services Princeton II, LLC			Delaware
Quality Technology Services Richmond II, LLC			Delaware
Quality Technology Services Sacramento II, LLC			Delaware
Quality Technology Services Santa Clara II, LLC			Delaware
Quality Technology Services, LLC			Delaware
Quality Technology Services, N.J. II, LLC			Delaware
Quality Technology Services, N.J., LLC			Delaware
Quality Technology Services, Suwanee II, LLC			Delaware
QualityTech, LP			Delaware
SA16 Acquisition Company, LLC			Delaware
San Antonio Logistics, LLC			Delaware
SAT Potranco Acquisition Co., LLC			Delaware
ServerVault, LLC			Delaware
SWO Logistics, LLC			Delaware
West Midtown Acquistion Company, LLC			Delaware
Whale Ventures, LLC			Delaware