85 Years of Excellence. A Legacy Like No Other.
For 85 years, SIOR has set the standard for excellence in commercial real estate. Founded in 1941 in response to the growing need for industrial space during World War II, SIOR has grown into the leading professional association in industrial and office real estate.
Today, SIOR represents the industry’s top performers and a global network built on trust, performance, and leadership. Together, our members continue to shape markets, move the industry forward, and drive the future of CRE.
Discover SIOR Through the Years
From our founding in 1941 to today, SIOR’s story is filled with people, milestones, and moments that helped shape the industry. Learn about the history that helped make SIOR what it is today.
Celebrate 85 Years at SIOR's Fall Event
Celebrate this milestone with us in New York City. Join fellow SIORs and industry leaders at our Fall Event, October 19–22, for four days of connections, celebration, and everything that makes SIOR exceptional.
Promote SIOR's 85th Anniversary
Have a great memory at a past SIOR conference or event? Post about it with the collage templates below.
*PowerPoint Template is recommended for PC. Canva Template is recommended for mobile, free account required.
Sample Captions:
- 85 years of leadership, relationships, and making an impact in commercial real estate. My favorite SIOR memory? [insert memory here], a moment that reminded me why this organization and its people are so special. Can't wait to make more memories at SIOR's Fall 2026 Event in NYC. See you all there: www.sior.com/nyc @siorglobal
- 🎉 SIOR is celebrating 85 years of leadership, relationships, and impact in commercial real estate! My favorite SIOR memory is [insert memory], and I can’t wait to make more memories at SIOR’s Fall 2026 Event in NYC, October 19–22. Who will I see there? 🗽 www.sior.com/nyc @siorglobal
- 85 years of SIOR means 85 years of incredible people, education, and connections. One of my favorites is [insert memory/past experience] — what’s yours? Let’s celebrate together at SIOR’s Fall 2026 Event in NYC, October 19–22! www.sior.com/nyc @siorglobal
- What makes SIOR special? The people and the memories we create along the way. My favorite SIOR experience has been [insert memory], and I’m looking forward to making new ones at the Fall 2026 Event in NYC! 🗽 Sign up today: www.sior.com/nyc @siorglobal
- From 85 years of SIOR history to the memories we’re making today, every member has a story to tell. Mine is [insert memory]. I'm looking forward to making more at SIOR’s Fall 2026 Event in NYC! See you there! www.sior.com/nyc @siorglobal