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SIORs are the most capable and experienced industrial and office brokerage practitioners in any market.

SIORs are the most capable and experienced industrial and office brokerage practitioners in any market.

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Access more than 4,000 industry leaders who are held to the highest standard, ensuring expertise, prestige, and trust.

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Become An SIOR

SIOR offers membership in a number of categories around the world with many rewarding benefits to your career. Discover more about our Member Associate, SIOR Designation, and Associate Membership.

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October 19-22, 2026
New York, New York
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Recent Transactions

Industrial Sale
$3,250,000
USD Sale Stockton, CA

35,951 sq. ft. / 10 acres

Thomas Davis, SIOR, CBRE
CBRE
Stockton, CA
Daniel Davis, SIOR, CCIM, CBRE
CBRE
Stockton, CA
Industrial Lease
$24,214,309
USD Sale Pacoima, CA

123,974 sq. ft.

John DeGrinis, SIOR, Newmark
Newmark
Calabasas, CA
Patrick DuRoss, SIOR, Newmark
Newmark
Calabasas, CA
Jeff Abraham, SIOR, Newmark
Newmark
Calabasas, CA
Industrial Sale
$14,000,000
USD Sale Andover, KS

292,336 sq. ft.

Steven Martens, SIOR, CPM, CCIM, NAI Martens
NAI Martens
Wichita, KS
Scott Salome, SIOR, NAI Martens
NAI Martens
Wichita, KS
Grant Glasgow, SIOR, NAI Martens
NAI Martens
Wichita, KS
Office Lease
$106,399,305
USD Sale South Burlington, VT

48,000 sq. ft.

Bradley Ruther, SIOR, Veterans Commercial Real Estate
Veterans Commercial Real Estate
Cincinnati, OH
Stephen Donahue, SIOR, Donahue & Assoc.
Donahue & Assoc.
Burlington, VT
Office Lease
CAD947,052
CAD Sale Calgary, AB

6,399 sq. ft.

Robert Cressaty, SIOR, MBA, Landmark Advisory Services
Landmark Advisory Services
Canada
These transactions are just some of the 80,000 deals completed by SIORs every year.
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Global Industry Partner Program

The SIOR Global Industry Partner Program establishes synergistic relationships between SIOR and a highly select number of industry, for-profit companies to address key commercial real estate issues, align on common interest, and drive positive change across the industry.

Current Global Industry Partners:

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