JOIN US

Interested in joining a Triangle chapter or know someone who is?

Leadership & Training Weekend 2025

Are you a Triangle chapter officer? Plan to join us for Leadership & Training Weekend, January 17-19, 2025 in Indianapolis!

LTW T-shirt Design Contest

Triangle wants YOU to design the next national event shirt! Stretch your creative mind and design a cool Triangle shirt for LTW 2025. Submissions are due October 20, 2024.

Oral History Project

Many alumni will receive emails and postcards to participate in this program. We are working with Publishing Concepts (PCI) to coordinate. They are the company that has done the last two Triangle Directory projects, so can be trusted. This is a legitimate solicitation of your input.

Triangle Education Foundation Scholarships are NOW OPEN

The Triangle Education Foundation (TEF), through the generosity of alumni brothers and others, is able to award scholarships to deserving active members of Triangle Fraternity who excel in the areas of academics, Chapter leadership, and campus/community involvement. Over 20 scholarships are awarded annually to Triangles who will be undergraduates in the year following the award.

Apply before March 1st

Invest in Triangle Through a
National Voluntary Alumni Dues (VNAD) payment

Pay Chapter Invoices Online

Have a chapter invoice? Pay from the comfort of your computer.

WELCOME TO TRIANGLE

Triangle is the only men's STEM fraternity experience, open to engineers, architects and scientists. We provide a social experience with a focus on academic success and professional preparation.
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Support Triangle Fraternity

Initially, I joined as a way to make new friends and find people with similar interests. As I became a part of the brotherhood, I found that I could work on more professional skills in terms of working different positions in the organization. All of the positions I have held have taught me things that I can use later in life.
Jeremy Westrich

University of Wisconsin at Milwaukee

Triangle taught me how to lead, through professional development and executive position opportunities. The work I’ve put into this organization has reciprocated tenfold by providing me with the network, tools, and skills I need to further my career. I am certain that joining has been the single greatest decision in my life.
Kurt Paul

Cal Poly - Pomona

Five years ago, I wanted nothing to do with joining a Fraternity.  Here I am now, 5 years later, in Triangle, serving as a founder and President of a new colony. Triangle has a place in my heart now, and it will characterize my time in college.
Tyler Blankenship

Rose-Hulman Institute of Technology

Being in Triangle I’m surrounded by guys who want to make the most of their college experience. They’re guys who help each other with classwork, guys I go to football games with, and guys I enjoy being around. Joining Triangle Fraternity was the best decision I could have ever made.
Nathan Nash

Colorado State University

Total Initiates

Active Chapters

Current Active Members

Active Colonies/Interest Groups

Living Alumni

States

Call for Legislation!

The National Council announces a Call for Legislative proposals.  Proposals for any changes to the Triangle Constitution and Bylaws, Ritual, Graduation Ceremony or Abridged History must be submitted in advance of Convention.  The National Council has approved the...

Triangle Fraternity Mourns the Loss of Past President Randall E. Drew rose67

July 24, 2023 FOR IMMEDIATE RELEASE: Triangle Fraternity Mourns the Loss of Past President Randall E. Drew rose67  [Plainfield, IN] - It is with deep sadness that Triangle Fraternity announces the passing of our esteemed former President, Randall E. Drew rose67. A...

Announcing the Landuyt Illinois Fellowship

For Immediate Release August 25, 2022 The Triangle Education Foundation is pleased to announce the launch of the Landuyt Illinois Fellowship. Thanks to Rick Landuyt, we are able to offer two (2) $12,500 awards this year which can be renewed for up to 4 years total....

Spring 2022 Triangle Review OUT NOW!

The Spring issue of the Triangle REVIEW magazine is online now. Access the Spring 2022 REVIEW virtually by clicking on the link below. Triangle REVIEW online here: https://tinyurl.com/s22review

National Headquarters Address

120 S. Center Street
Plainfield, IN 46168
P | (317) 837-9640
F | (317) 837-9642

Office Hours

Monday through Friday
9 a.m. to 5 p.m. (Eastern)