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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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April 14-17, 2026
Palm Springs, CA
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Recent Transactions

Other Lease
$10,000,000
USD Sale Owensboro, KY

100,000 sq. ft.

Seth Edens, SIOR, TRIO Commercial Property Group
TRIO Commercial Property Group
Louisville, KY
Land Sale
$17,882,563
USD Sale Buckeye, AZ

178 acres

Rob Martensen, SIOR, CCIM, Colliers
Colliers
Phoenix, AZ
Cory Whitman, SIOR, Colliers
Colliers
Ontario, CA
Office Lease
$519,681
USD Sale Brentwood, TN

2,803 sq. ft.

Jim Rodrigues, SIOR, Lee & Associates
Lee & Associates
Nashville, TN
Office Sale
$3,712,500
USD Sale Trumbull, CT

112,500 sq. ft. / 5 acres

Bruce Wettenstein, SIOR, Vidal/Wettenstein
Vidal/Wettenstein
Westport, CT
Alan Fischer, SIOR, CCIM, Fischer Real Estate
Fischer Real Estate
Orange, CT
Industrial Lease
$873,156
USD Sale Surprise, AZ

24,834 sq. ft.

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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