| ARE | Alexandria Real Estate Equities |
| BDN | Brandywine Realty Trust |
| KRC | Kilroy Realty |
| BXP | Boston Properties |
| SLG | SL Green Realty |
| PDM | Piedmont Office Realty Trust |
| HPP | Hudson Pacific Properties |
| VNO | Vornado Realty Trust |
| EQC | Equity Commonwealth |
| HIW | Highwoods Properties |
| CIO | City Office REIT |