Triangle Fraternity

Triangle Fraternity A national fraternity built for STEM students seeking brotherhood, leadership, and career development.

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.

Have you read the Spring edition of the Triangle Building & Housing Corporation newsletter yet? 🏠This edition highlights...
05/31/2026

Have you read the Spring edition of the Triangle Building & Housing Corporation newsletter yet? 🏠

This edition highlights the impact of long-term investment, alumni support, and strategic planning across Triangle housing — including Michigan State’s major window renovation project, Michigan's return to the TBHC portfolio, housing innovation efforts, and the scale of TBHC’s nationwide impact by the numbers.

Read the full newsletter to learn more about the work shaping the future of Triangle housing and chapter facilities. 🔺

🔗https://issuu.com/trianglefraternity/docs/tbhc_2026_spring_newsletter

The Triangle Portal is your central hub for chapter tools, updates, and resources. We encourage all members—students, al...
05/29/2026

The Triangle Portal is your central hub for chapter tools, updates, and resources. We encourage all members—students, alumni, and volunteers—to log in regularly and make it part of your routine. 💻

From chapter communications to key forms and updates, the portal is designed to help you stay connected and informed. If you haven’t explored it recently, now is a great time to take a look: https://chapterspot.triangle.org

📣 Registration for 2026 National Convention is still open! Join brothers from across the country in Denver, Colorado fro...
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/

🎓 Congratulations to our graduating members!Your time as collegians may be coming to a close, but the experiences, leade...
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!

Service, leadership, chapter events, formals, and everything in between — this semester highlighted the energy and commi...
05/18/2026

Service, leadership, chapter events, formals, and everything in between — this semester highlighted the energy and commitment of our members across the country. 🔺

Grateful for every moment, every member, and every chapter that made it happen.

What’s happening in your world, Triangle? 🔺We’re collecting submissions for the next issue of Triangle REVIEW and want t...
05/09/2026

What’s happening in your world, Triangle? 🔺

We’re collecting submissions for the next issue of Triangle REVIEW and want to highlight the incredible things our brothers are accomplishing—both within and beyond the fraternity.

Chapter updates, alumni accomplishments, awards, internships, research, startups, competition teams, career milestones, passion projects—we want to see it all.

Photos are encouraged and help bring your stories to life in print.

Submit your news through the Triangle Portal by Friday, May 15 for consideration in the upcoming issue: https://chapterspot.triangle.org/

The Iowa State chapter recently came together to support mental health awareness and honor the memory of Brother Jeremy ...
05/08/2026

The Iowa State chapter recently came together to support mental health awareness and honor the memory of Brother Jeremy Onyango, is20, through a series of events including a cookout, wellness activities, and a campus walk. 🔺

Through their efforts, the chapter raised more than $2,500 to support Jeremy’s Memorial Scholarship and mental health initiatives across Iowa.

We’re proud to highlight the meaningful impact these brothers are making — creating space for important conversations, supporting one another, and continuing Jeremy’s legacy through action and awareness. 💚

Iowa State Triangle, Iowa State University

🔺 A great night back at MarquetteA couple weeks ago, alumni and friends gathered on campus for an evening of reconnectin...
05/06/2026

🔺 A great night back at Marquette

A couple weeks ago, alumni and friends gathered on campus for an evening of reconnecting, reminiscing, and celebrating the chapter’s continued momentum. With alumni from different eras in attendance, it was a great reminder of the lasting connections and shared experiences that continue beyond college.

Always great to see the strength of the Triangle network across generations.

Marquette Triangle Fraternity

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

Telephone

+13178379640

Website

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