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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
$7,500,000
USD Sale Escondido, CA

29,680 sq. ft.

Rusty Williams, SIOR, Lee & Associates
Lee & Associates
Carlsbad, CA
Chris Roth, SIOR, Lee & Associates
Lee & Associates
Carlsbad, CA
Jake Rubendall, SIOR, Lee & Associates
Lee & Associates
Carlsbad, CA
Industrial Lease
$20,132,101
USD Sale Goodyear, AZ

391,639 sq. ft.

Rob Martensen, SIOR, CCIM, Colliers
Colliers
Phoenix, AZ
Allen Lowe, SIOR, Lee & Associates
Lee & Associates
Phoenix, AZ
Jeff Conrad, SIOR, Lee & Associates
Lee & Associates
Phoenix, AZ
Sam Jones, Colliers
Colliers
Phoenix, AZ
Ryan Hingst, Lee & Associates
Lee & Associates
Phoenix, AZ
Office Lease
$3,479,968
USD Sale Columbus, OH

14,489 sq. ft.

Bradford Kitchen, SIOR, Alterra Real Estate Advisors
Alterra Real Estate Advisors
Columbus, OH
Industrial Sale
Phoenix, AZ

35,007 sq. ft.

Rob Martensen, SIOR, CCIM, Colliers
Colliers
Phoenix, AZ
Sam Jones, Colliers
Colliers
Phoenix, AZ
Land Sale
Buckeye, AZ

9 acres

Rob Martensen, SIOR, CCIM, Colliers
Colliers
Phoenix, AZ
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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