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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.

Find An SIOR

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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SIOR 2025 Fall Event

This fall, top-producing CRE brokers will gather in Louisville, KY, a city synonymous with champions. This event is about more than just networking—it’s an opportunity to forge powerful relationships and position yourself for even greater success. Just like the Derby’s finest, SIOR members know that staying ahead takes strategy, skill, and an unyielding commitment to excellence. That’s why SIOR’s Fall Event is where CRE’s best come to lead, connect, and win.

November 4-7,2025
Louisville, KY
Register Now
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Recent Transactions

Office Lease
$811,484
USD Sale Columbus, OH

5,548 sq. ft.

Bradford Kitchen, SIOR, Alterra Real Estate Advisors
Bradford Kitchen, SIOR
Alterra Real Estate Advisors
Columbus, OH
Office Sale
$2,300,000
USD Sale Venice, FL

5,590 sq. ft.

Nick DeVito, SIOR, Ian Black Real Estate
Nick DeVito, SIOR
Ian Black Real Estate
Sarasota, FL
Brie Tulp, SIOR, RPA®, Ian Black Real Estate
Brie Tulp, SIOR, RPA®
Ian Black Real Estate
Sarasota, FL
Office Lease
Jupiter, FL

659 sq. ft.

Jason Sundook, SIOR, NAI Merin Hunter Codman
Jason Sundook, SIOR
NAI Merin Hunter Codman
West Palm Beach, FL
Industrial Lease
Kenmore, WA

800 sq. ft.

Christian Mattson, SIOR, Lee & Associates
Christian Mattson, SIOR
Lee & Associates
Tacoma, WA
Office Lease
$26,027
USD Sale Omaha, NE

3,740 sq. ft.

Ryan Zabrowski, CCIM, SIOR, CRE, Investors Realty
Ryan Zabrowski, CCIM, SIOR, CRE
Investors Realty
Omaha, NE
Ryan Kuehl, SIOR, CCIM, Investors Realty
Ryan Kuehl, SIOR, CCIM
Investors Realty
Omaha, NE
Jeanette Weber, SIOR, CPM, Investors Realty
Jeanette Weber, SIOR, CPM
Investors Realty
Omaha, NE
These transactions are just some of the 80,000 deals completed by SIORs every year.
View All Transactions
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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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