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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
$1,650,000
USD Sale Brooklyn, NY

3,200 sq. ft.

William O
William O'Brien, SIOR
M.C. O'Brien, Inc.
Brooklyn, NY
Industrial Sale
$740,000
USD Sale Sarasota, FL

3,402 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
$237,125
USD Sale Markle, IN

200,000 sq. ft.

Steven Zacher, SIOR, CCIM, The Zacher Company
Steven Zacher, SIOR, CCIM
The Zacher Company
Fort Wayne,
Industrial Lease
$5,631,069
USD Sale Las Vegas, NV

18,900 sq. ft.

Cathy Jones, SIOR, CCIM, CPA, Logic Commercial Real Estate
Cathy Jones, SIOR, CCIM, CPA
Logic Commercial Real Estate
Las Vegas, NV
Alma Cuevas, SIOR, Cushman & Wakefield
Alma Cuevas, SIOR
Cushman & Wakefield
Las Vegas, NV
Jason Griffis, SIOR, Cushman & Wakefield
Jason Griffis, SIOR
Cushman & Wakefield
Las Vegas, NV
Industrial Sale
$97,673,200
USD Sale Ocala, FL

1,085,280 sq. ft. / 100 acres

Leah Bailey, SIOR, Red Rock Developments
Leah Bailey, SIOR
Red Rock Developments
Charlotte, NC
Lee Morris, SIOR, LEED AP, Colliers
Lee Morris, SIOR, LEED AP
Colliers
Orlando, FL
John Barker, SIOR, Red Rock Developments
John Barker, SIOR
Red Rock Developments
Charlotte, NC
Trey Carswell, SIOR, Cushman & Wakefield
Trey Carswell, SIOR
Cushman & Wakefield
Tampa, FL
Lisa Ross, SIOR, Cushman & Wakefield
Lisa Ross, SIOR
Cushman & Wakefield
Tampa, FL
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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