Triangle Fraternity

Triangle Fraternity

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Founded by 16 Civil Engineering majors at the University of Illinois, Triangle Fraternity has grown to become the nation’s premier fraternity for men majoring in the fields of Engineering, Architecture, and the Sciences. Since Triangle’s founding in 1907, Triangle has grown to establish 38 chapters and colonies across the country while initiating over 26,000 men. Triangle brothers pride themselves on academic success, professional development, and morally rooted brotherhood.

Photos from Triangle Fraternity's post 06/08/2026

June is Men's Health Month, a time to raise awareness, encourage conversations, and remind one another that seeking support is a sign of strength.

“Men’s mental health is so important to us because we lost a brother to his fight in 2022. We want to make sure that never happens again, which is why we put such a strong focus on talking about it, spreading awareness, and supporting mental health initiatives.”
— Zach Wood is25, Health & Wellness Chair

To all our brothers: check in on your friends, reach out when you need support, and remember that you don't have to face challenges alone.

📸Triangle Fraternity - Iowa State

Photos from Triangle Fraternity's post 05/26/2026

📣 Registration for 2026 National Convention is still open! Join brothers from across the country in Denver, Colorado from July 30 – August 2 for:
🔺 Leadership & legislative sessions
🔺 Networking & alumni connections
🔺 Educational programs
🔺 College Night & evening events
🔺 The 2026 Wall of Fame Luncheon
🔺 Closing Banquet celebration

Whether you’re an undergraduate delegate, alumnus, volunteer, or first-time attendee, Convention is one of the best opportunities to experience Triangle brotherhood on a national level.

Don’t wait — make plans to join us this summer in Colorado: https://www.triangle.org/events-programs/nationalconvention/

Photos from Triangle Fraternity's post 05/22/2026

🎓 Congratulations to our graduating members!

Your time as collegians may be coming to a close, but the experiences, leadership, and connections built along the way will continue long after graduation. 🔺

We’re proud of all you’ve accomplished and excited to see what’s next for each of you.

Congratulate our graduating brothers in the comments!

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Telephone

Address


120 S Center Street
Plainfield, IN
46168

Opening Hours

Monday 8:30am - 5pm
Tuesday 8:30am - 5pm
Wednesday 8:30am - 5pm
Thursday 8:30am - 5pm
Friday 8:30am - 5pm