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2015 Top Office Owners

The rankings for the top office owners are based on the volume of office space owned globally as of Dec. 31, 2014. If companies had interests in mixed-use projects, they were asked to provide the totals for the office portion only.

Click on a company name to find out more details.


RankCompanyOffice Portfolio
1Brookfield Office Properties115,000,000
2Blackstone Group96,000,000
4Ivanhoe Cambridge46,066,842
5SL Green 42,400,000
6Boston Properties40,486,429
7Equity CommonWealth37,961,000
8Vornado Realty Trust37,800,000
10Brandywine Realty Trust32,689,039
11Highwoods Properties25,404,000
12Mack-Cali Realty24,861,220
13Shorenstein Properties24,800,000
14Duke Realty22,400,000
15Piedmont Office Realty Trust21,471,000
17AEW Capital Management19,563,586
18Liberty Property Trust18,046,129
19Parkway Properties17,200,000
21Boxer Property16,875,260
22Corporate Offices Properties Trust16,790,386
23Cousins Properties Incorporated15,679,000
24Columbia Property Trust15,428,000
25Lincoln Property Company15,252,610
26Kilroy Realty Corp.14,096,617
27LBA Realty13,000,000
28TIER REIT, Inc.11,946,000
29American Realty Advisors 11,746,644
30Equus Capital Partners, Ltd11,572,934
31Government Properties Income Trust11,000,000
32Accesso Partners10,800,000
33First Potomac Realty Trust9,658,224
34Franklin Street Properties9,580,057
35Empire State Realty Trust9,340,508
36Hamilton Partners8,550,000
37Douglas Development Corp6,657,640
39Harbor Group International, LLC6,500,000
40Hudson Pacific Properties5,700,148
41Trammell Crow Company5,679,280
42Gramercy Property Trust3,639,851
43Lingerfelt CommonWealth3,636,770
44New York REIT2,783,207
45Vulcan Inc.2,660,555
46PM Realty Group2,642,036
47City Office REIT2,340,000

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