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 | |
| Piedmont Leasing, LLC | Delaware | |
| Piedmont Power, LLC | Delaware | |
| Piedmont-Las Colinas Springing Member, LLC (f/k/a Wells REIT-Springing Member, LLC) | Delaware | |
| Piedmont 1901 Market Business Trust (f/k/a Wells 1901 Market Business Trust) | Delaware | |
| Piedmont 1901 Market LLC (f/k/a Wells 1901 Market LLC) | Delaware | |
| 1055 East Colorado-Pasadena, CA GP, LLC (f/k/a Wells REIT-Pasadena, CA GP, LLC) | Delaware | |
| 1055 East Colorado-Pasadena, CA, L.P. (f/k/a Wells REIT-Pasadena, CA, L.P.) | Delaware | |
| Piedmont-Montgomery, LLC (f/k/a Wells REIT-Montgomery, LLC) | Delaware | |
| Piedmont Bridgewater I, LLC (f/k/a Wells Bridgewater I, LLC) | Delaware | |
| Piedmont-Bridgewater, NJ, LLC (f/k/a Wells REIT-Bridgewater, NJ, LLC) | Delaware | |
| Piedmont-Independence Square, LLC (f/k/a Wells REIT - Independence Square, LLC) | Delaware | |
| Piedmont-3100 Clarendon LLC (f/k/a Wells REIT I-3100 Clarendon LLC) | Delaware | |
| Piedmont-Shady Grove V LLC (f/k/a Wells REIT I-Shady Grove V LLC) | Delaware | |
| Piedmont-1075 West Entrance, LLC (f/k/a Wells REIT I-1075 West Entrance, LLC) | Delaware | |
| Piedmont-Multi-State Owner, LLC (f/k/a Wells REIT-Multi-State Owner, LLC) | Delaware | |
| Piedmont-Nashville, TN, LLC (f/k/a Wells REIT-Nashville, TN, LLC) | Delaware | |
| Piedmont-Braker Pointe Austin, TX, L.P. (f/k/a Wells REIT-Austin, TX, L.P.) | Delaware | |
| Piedmont-Braker Pointe Austin, TX GP, LLC (f/k/a Wells REIT-Austin, TX, LLC) | Delaware | |
| Fairway Center II-Orange County, CA, L.P. (f/k/a Wells REIT-Orange County, CA, L.P.) | Delaware | |
| Fairway Center II-Orange County, CA, GP LLC (f/k/a Wells REIT-Orange County, CA, LLC) | Delaware | |
| Piedmont-One Brattle Square I, LLC (f/k/a Wells REIT-One Brattle Square I, LLC) | Delaware | |
| Piedmont-One Brattle Square II, LLC (f/k/a 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 | |
| Piedmont-Two Pierce Place, LLC (f/k/a Wells REIT-Two Pierce Place, LLC) | Delaware | |
| Piedmont-Las Colinas Corporate Center I, LP (f/k/a Wells REIT-Las Colinas Corporate Center I, LP) | Delaware | |
| Piedmont-Las Colinas Corporate Center I, GP, LLC (f/k/a Wells REIT-Las Colinas Corporate Center I, LLC) | Delaware | |
| Piedmont-Las Colinas Corporate Center II, LP (f/k/a Wells REIT-Las Colinas Corporate Center II, LP) | Delaware | |
| Piedmont-Las Colinas Corporate Center II, GP, LLC (f/k/a Wells REIT-Las Colinas Corporate Center II, LLC) | Delaware | |
| Cypress Concourse A, LLC | Delaware | |
| Piedmont 60 Broad Street, LLC (f/k/a Wells 60 Broad Street, LLC) | Delaware | |
| Piedmont-800 Nicollet Avenue, LLC (f/k/a Wells REIT-800 Nicollet Avenue, LLC) | Delaware | |
| Piedmont-800 Nicollet Avenue Owner, LLC (f/k/a Wells REIT-800 Nicollet Avenue Owner, LLC) | Delaware | |
| Piedmont-800 Nicollet Avenue Springing Member, LLC (f/k/a Wells REIT-800 Nicollet Avenue Springing Member, LLC) | Delaware | |
| Piedmont-Chicago Center Owner, LLC (f/k/a Wells REIT-Chicago Center Owner, LLC) | Delaware | |
| Piedmont-Chicago Center, Chicago, LLC (f/k/a Wells REIT-Chicago Center, Chicago, LLC) | Delaware | |
| Piedmont-Holtsville, NY, LLC (f/k/a Wells REIT-Holtsville, NY, LLC) | Georgia | |
| 800 North Brand Glendale, CA, LLC (f/k/a Wells REIT Glendale, CA, LLC) | Delaware | |
| Piedmont-1430 Enclave Parkway, L.P. (f/k/a Wells REIT-1430 Enclave Parkway, L.P.) | Delaware | |
| Piedmont-1430 Enclave Parkway, GP, LLC (f/k/a Wells REIT-1430 Enclave Parkway, LLC) | Delaware | |
| Enclave Parkway Development, LLC | Delaware | |
| Enclave Parkway Development, L.P. | Delaware | |
| Piedmont-Windy Point I, LLC (f/k/a Wells REIT-Windy Point I, LLC) | Delaware | |
| Piedmont-Windy Point II, LLC (f/k/a Wells REIT-Windy Point II, LLC) | Delaware | |
| Piedmont-2300 Cabot Drive, LLC (f/k/a 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 | |
| 500 W Monroe Mezz I-B, LLC | Delaware | |
| 500 W Monroe Chicago, LLC | Delaware | |
| 150 West Jefferson, LLC | Delaware | |
| Piedmont 500 West Monroe Mezz I, LLC | Delaware | |
| Piedmont 500 West Monroe Fee, LLC | Delaware | |
| Suwanee Gateway One, LLC | Delaware | |
| Meridian Crossings, LLC | Delaware | |
| Dupree Atlanta, LLC | Delaware | |
| Medici Atlanta, LLC | Delaware | |
| Presidential Way Woburn, LLC | Delaware | |
| 400 TownPark, LLC | Delaware | |
| Gavitello, Atlanta, LLC | Delaware | |
| Glenridge Highlands III, LLC | Delaware | |
| Piedmont - 901 N. Glebe, LLC | Delaware | |
| Piedmont 5 & 15 Wayside, LLC | Delaware | |
| Piedmont JV Partnership Interests, LLC | Delaware | |
| Piedmont OP - Piedmont JV Partnership Interests, LLC Joint Venture (MI/TN) | Georgia | |
| Piedmont OP - Piedmont JV Partnership Interests, LLC Joint Venture (KS) | Georgia | |
| Piedmont Royal Lane, LP | Delaware | |
| Piedmont Royal Lane GP, LLC | Delaware | |
| Piedmont 6565 MacArthur Boulevard, LP | Delaware | |
| Piedmont 6565 MacArthur Boulevard GP, LLC | Delaware | |
| Piedmont One Lincoln Park, LP | Delaware | |
| Piedmont One Lincoln Park GP, LLC | Delaware | |
| Piedmont 161 Corporate Center, LP | Delaware | |
| Piedmont 161 Corporate Center GP, LLC | Delaware | |