Exhibit 21.1
Subsidiaries of Piedmont Office Realty Trust, Inc. and Piedmont Operating Partnership, LP
Subsidiary | State of Organization | |
| Piedmont Operating Partnership, LP | Delaware | |
| Piedmont Washington Properties, Inc. | Maryland | |
| Piedmont Office Holdings, Inc. | Georgia | |
| Piedmont Office Management, LLC | Georgia | |
| Piedmont Government Services, LLC | Georgia | |
| Wells REIT—Springing Member, LLC | Delaware | |
| Wells REIT—Independence Square, LLC | Delaware | |
| Wells 1901 Market Business Trust | Delaware | |
| Wells 1901 Market LLC | Delaware | |
| Wells REIT—Pasadena, CA GP, LLC | Delaware | |
| Wells REIT—Pasadena, CA, L.P. | Delaware | |
| Wells REIT—Montgomery, LLC | Delaware | |
| Wells Bridgewater I, LLC | Delaware | |
| Wells REIT—Bridgewater, NJ, LLC | Delaware | |
| 35 W. Wacker Owner, LLC | Delaware | |
| 35 W. Wacker Venture, L.P. | Delaware | |
| Wells-Buck Venture, L.P. | Delaware | |
| Wells 35 W. Wacker, LLC | Delaware | |
| 35 W Wacker LP, LLC | Delaware | |
| Wells REIT I—3100 Clarendon LLC | Delaware | |
| Wells REIT I—Shady Grove V LLC | Delaware | |
| Wells REIT I—1075 West Entrance, LLC | Delaware | |
| Wells REIT—Multi-State Owner, LLC | Delaware | |
| Wells REIT—Nashville, TN, LLC | Delaware | |
| Wells REIT—Austin, TX, L.P. | Delaware | |
| Wells REIT—Austin, TX, LLC | Delaware | |
| Wells REIT—Orange County, CA, L.P. | Delaware | |
| Wells REIT—Orange County, CA, LLC | Delaware | |
| Wells REIT—One Brattle Square I, LLC | Delaware | |
| Wells REIT—One Brattle Square II, LLC | Delaware | |
| 4250 North Fairfax Property LLC | Delaware | |
| 4250 N. Fairfax Owner, LLC | Delaware | |
| 400 Virginia Avenue LLC | Delaware | |
| 1201 Eye Street, N.W. Associates LLC | Delaware | |
| 1215 ESDI, LLC | Delaware | |
| 1225 Equity LLC | Delaware | |
| 1225 Eye Street, N.W. Associates LLC | Delaware | |
| 1201 Equity LLC | Delaware | |
| TTF Lending LLC | Delaware | |
| TZO Lending LLC | Delaware | |
| Wells REIT I—400 Bridgewater Crossing, LLC | Delaware | |
| Wells REIT—Two Pierce Place, LLC | Delaware | |
| Wells REIT—Las Colinas Corporate Center I, LP | Delaware | |
| Wells REIT—Las Colinas Corporate Center I, LLC | Delaware | |
| Wells REIT—Las Colinas Corporate Center II, LP | Delaware | |
| Wells REIT—Las Colinas Corporate Center II, LLC | Delaware | |
| Cypress Concourse A, LLC | Delaware | |
| Wells 60 Broad Street, LLC | Delaware |
Subsidiary | State of Organization | |
| Wells REIT—800 Nicollett Avenue, LLC | Delaware | |
| Wells REIT—800 Nicollett Avenue Owner, LLC | Delaware | |
| Wells REIT—800 Nicollett Avenue Springing Member, LLC | Delaware | |
| Wells REIT—Chicago Center Owner, LLC | Delaware | |
| Wells REIT—Chicago Center, Chicago, LLC | Delaware | |
| Wells REIT—Holtsville, NY, LLC | Georgia | |
| Wells REIT Glendale, CA, LLC | Delaware | |
| Wells REIT—1430 Enclave Parkway, L.P. | Delaware | |
| Wells REIT—1430 Enclave Parkway, LLC | Delaware | |
| Enclave Parkway Development, LLC | Delaware | |
| Enclave Parkway Development, L.P. | Delaware | |
| Wells REIT—Windy Point I, LLC | Delaware | |
| Wells REIT—Windy Point II, LLC | Delaware | |
| Wells Real Estate, LLC-SC I | Georgia | |
| Wells REIT—2300 Cabot Drive, LLC | Delaware | |
| Rock Spring, L.L.C. | Delaware | |
| Rock Spring II, L.L.C. | Delaware | |
| 500 W Monroe Mezz II, LLC | Delaware |