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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

Land Sale
CAD298,000
CAD Sale Port Colborne, ON

1 acres

Ralph Roselli, SIOR, Colliers
Ralph Roselli, SIOR
Colliers
Canada
Land Sale
$5,500,000
USD Sale Fairfield, CA

424,710 sq ft.

Thomas de jong, SIOR, Colliers
Thomas de jong, SIOR
Colliers
San Jose, CA
Brian Slocum, SIOR, CCIM, Lee & Associates
Brian Slocum, SIOR, CCIM
Lee & Associates
Walnut Creek, CA
Industrial Lease
631,254
Richmond, VA

16,148 sq. ft.

Robert Porter, Porter Realty Company Inc. / CORFAC International
Robert Porter
Porter Realty Company Inc. / CORFAC International
Richmond, VA
Industrial Lease
$153,115
USD Sale Sarasota, FL

2,060 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
Industrial Lease
$1,524,288
USD Sale Columbus, OH

24,320 sq. ft.

Michael Linder, SIOR, Colliers
Michael Linder, SIOR
Colliers
Columbus, OH
Shane Woloshan, SIOR, Colliers
Shane Woloshan, SIOR
Colliers
Columbus, OH
Joel Yakovac, SIOR, Colliers
Joel Yakovac, SIOR
Colliers
Columbus, OH
Jonathan Schuen, SIOR, Colliers
Jonathan Schuen, SIOR
Colliers
Columbus, OH
Kyle Ghiloni, SIOR, Colliers
Kyle Ghiloni, SIOR
Colliers
Columbus, OH
These transactions are just some of the 80,000 deals completed by SIORs every year.
View All Transactions
sior fall conference

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:
SIOR Global Industry Partners for Homepage-01

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