United States

Top 28 largest US Companies in the REIT—Office industry by Market Cap

This is the list of the largest public listed companies in the REIT—Office industry from the United States by market capitalization with links to their reference stock.

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Top REIT—Office Companies from the United States as of Jan. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 Digital Realty Trust, Inc. $62.05 B United States US Real Estate US REIT—Office
2 Alexandria Real Estate Equities, Inc. $17.55 B United States US Real Estate US REIT—Office
3 Boston Properties, Inc. $12.67 B United States US Real Estate US REIT—Office
4 Vornado Realty Trust $8.70 B United States US Real Estate US REIT—Office
5 Cousins Properties Incorporated $5.13 B United States US Real Estate US REIT—Office
6 SL Green Realty Corp. $4.74 B United States US Real Estate US REIT—Office
7 Kilroy Realty Corporation $4.51 B United States US Real Estate US REIT—Office
8 Douglas Emmett, Inc. $3.42 B United States US Real Estate US REIT—Office
9 Highwoods Properties, Inc. $3.18 B United States US Real Estate US REIT—Office
10 Corporate Office Properties Trust $2.85 B United States US Real Estate US REIT—Office
11 Columbia Property Trust, Inc. $2.21 B

(Dec. 1, 2021)

 United States US Real Estate US REIT—Office
12 Global Net Lease, Inc. $1.67 B United States US Real Estate US REIT—Office
13 Mack-Cali Realty Corporation $1.67 B

(June 1, 2022)

 United States US Real Estate US REIT—Office
14 JBG SMITH Properties $1.26 B United States US Real Estate US REIT—Office
15 Washington Real Estate Investment Trust $1.24 B United States US Real Estate US REIT—Office
16 Easterly Government Properties, Inc. $1.23 B United States US Real Estate US REIT—Office
17 Paramount Group, Inc. $1.09 B United States US Real Estate US REIT—Office
18 Piedmont Office Realty Trust, Inc. $1.08 B United States US Real Estate US REIT—Office
19 Brandywine Realty Trust $919.6 M United States US Real Estate US REIT—Office
20 Hudson Pacific Properties, Inc. $457.9 M United States US Real Estate US REIT—Office
21 Postal Realty Trust, Inc. $383.9 M United States US Real Estate US REIT—Office
22 Franklin Street Properties Corp. $188.5 M United States US Real Estate US REIT—Office
23 Equity Commonwealth $181.8 M United States US Real Estate US REIT—Office
24 Office Properties Income Trust $63.9 M United States US Real Estate US REIT—Office
25 CIM Commercial Trust Corporation $11.5 M United States US Real Estate US REIT—Office
26 COPT Defense Properties United States US Real Estate US REIT—Office
27 Peakstone Realty Trust United States US Real Estate US REIT—Office
28 Orion Office REIT Inc. United States US Real Estate US REIT—Office

Top REIT—Office Companies from the United States as of Jan. 01, 2025

1. Digital Realty Trust, Inc.

Company Profile: Digital Realty Trust, Inc.
Market Cap (USD): $62.05 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

2. Alexandria Real Estate Equities, Inc.

Company Profile: Alexandria Real Estate Equities, Inc.
Market Cap (USD): $17.55 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

3. Boston Properties, Inc.

Company Profile: Boston Properties, Inc.
Market Cap (USD): $12.67 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

4. Vornado Realty Trust

Company Profile: Vornado Realty Trust
Market Cap (USD): $8.70 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

5. Cousins Properties Incorporated

Company Profile: Cousins Properties Incorporated
Market Cap (USD): $5.13 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

6. SL Green Realty Corp.

Company Profile: SL Green Realty Corp.
Market Cap (USD): $4.74 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

7. Kilroy Realty Corporation

Company Profile: Kilroy Realty Corporation
Market Cap (USD): $4.51 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

8. Douglas Emmett, Inc.

Company Profile: Douglas Emmett, Inc.
Market Cap (USD): $3.42 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

9. Highwoods Properties, Inc.

Company Profile: Highwoods Properties, Inc.
Market Cap (USD): $3.18 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

10. Corporate Office Properties Trust

Company Profile: Corporate Office Properties Trust
Market Cap (USD): $2.85 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

11. Columbia Property Trust, Inc.

Company Profile: Columbia Property Trust, Inc.
Market Cap (USD): $2.21 B (Dec. 1, 2021)
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

12. Global Net Lease, Inc.

Company Profile: Global Net Lease, Inc.
Market Cap (USD): $1.67 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

13. Mack-Cali Realty Corporation

Company Profile: Mack-Cali Realty Corporation
Market Cap (USD): $1.67 B (June 1, 2022)
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

14. JBG SMITH Properties

Company Profile: JBG SMITH Properties
Market Cap (USD): $1.26 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

15. Washington Real Estate Investment Trust

Company Profile: Washington Real Estate Investment Trust
Market Cap (USD): $1.24 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

16. Easterly Government Properties, Inc.

Company Profile: Easterly Government Properties, Inc.
Market Cap (USD): $1.23 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

17. Paramount Group, Inc.

Company Profile: Paramount Group, Inc.
Market Cap (USD): $1.09 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

18. Piedmont Office Realty Trust, Inc.

Company Profile: Piedmont Office Realty Trust, Inc.
Market Cap (USD): $1.08 B
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

19. Brandywine Realty Trust

Company Profile: Brandywine Realty Trust
Market Cap (USD): $919.6 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

20. Hudson Pacific Properties, Inc.

Company Profile: Hudson Pacific Properties, Inc.
Market Cap (USD): $457.9 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

21. Postal Realty Trust, Inc.

Company Profile: Postal Realty Trust, Inc.
Market Cap (USD): $383.9 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

22. Franklin Street Properties Corp.

Company Profile: Franklin Street Properties Corp.
Market Cap (USD): $188.5 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

23. Equity Commonwealth

Company Profile: Equity Commonwealth
Market Cap (USD): $181.8 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

24. Office Properties Income Trust

Company Profile: Office Properties Income Trust
Market Cap (USD): $63.9 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

25. CIM Commercial Trust Corporation

Company Profile: CIM Commercial Trust Corporation
Market Cap (USD): $11.5 M
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

26. COPT Defense Properties

Company Profile: COPT Defense Properties
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

27. Peakstone Realty Trust

Company Profile: Peakstone Realty Trust
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

28. Orion Office REIT Inc.

Company Profile: Orion Office REIT Inc.
Country: United States
Sector: US Real Estate
Industry: US REIT—Office

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