Sigma Phi Delta – Beta Pi Chapter was founded at Texas Tech University on May 5th, 2015 by the brothers:
- Kelvin Arrindell
- Amine Benchemsi
- Lance Blair
- Matthew Carroll
- Colton Darby
- Kevin Doherty
- Mitchell Dyer
- Jason Ebong
- Devin Espinosa
- Michael Johnson
- Nolan Kitching
- Michael Lee
- Jared Lehr
- Christopher Memi
- Ian Molock
- Arjun Ogale
- Douglas Pala
- Christopher Stadtfeld
- Nicholas Travelstead
- Brandon Uehling
- Adam Venn
These brothers made up the Charter Pledge Class. They were initiated on May 5th, 2015.
Alpha Pledge Class (Initiated October 25th, 2015):
- Daeland Angle
- Jove Brar
- Shavon Carvin
- Alfredo Castaneda
- Blaine Dyas
- Schuyler Mullins
- Dimas Ramadhan
- Dillon Rathman
- Jaiathiswar “Athish” Singh
- Michael South
- Dominic Tirtilli
- Benjamin James Zoller
Beta Pledge Class (Initiated April 10th, 2016):
- Christopher Alleman
- Christopher Carty
- Fernando De-Jesus
- Steven Le
- Samuel Macias
Gamma Pledge Class (Initiated November 20th, 2016):
- Logan Dexter
- Nathan Dyer
- John Jaeger
- Paul Neidert
- Andree Ordaz
- Abraham Quijada
- Philip Raschke
- Brandon Sandoval
- Stricklin Snyder
- Curtis Stacy
- Ryan Stomp
- Tommy Thomas
- Justin Verdun
- Matthew Young
Delta Pledge Class (Initiated April 2nd, 2017):
- Eduardo “Eddie” Gonzalez Jr.
- Kevin Rios
- Jacob Siau
Epsilon Pledge Class (Initiated November 11th, 2017):
- Adepoju “Poju” Adeogba
- Jesus Alvarez
- Connor Campbell
- Jared Causey
- Matt Covert
- George Devillez
- Stephen Duran
- Josh Easley
- Carter Feldhoff
- Jake Granberry
- Derek Hebert
- Austin Jaskiel
- Justin Kim
- Robert Luna
- Caleb Martinez
- Connor Mitchell
- Jorge Najera
- Jacob Nogaj
- Kyle Ogden
- Andreas Olivo
- Matt Owens
- Joshua Oyebade
- Michael Perez
- Isaak Quintero
- Sam Ramirez
- Ivan Sanchez
- Johnnie Sanchez
- Jordan Sobrino
- Phillip Truong
Zeta Pledge Class (Initiated April 15th, 2018):
- Kohlton Baker
- Edwin Caraccioli
- Raul Carreon
- Boone Evans
- Johnoah “Jay” Gibson
- Amon Sikadi
- Pierce Valdez
- Collin Williams
Eta Pledge Class (Initiated November 4th, 2018):
- Robert Alonzo
- Matthew Browitt
- Ken Burridge
- Matthew Eichstadt
- Matteo Macri
- Marshall Mays
- Tomas Mendes
- Spencer Nichols
- Christopher Palacios
- Hubert Henry Pecze
- Bailey Ulbrich
- Uriah Villareal
Theta Pledge Class (Initiated April 6, 2019)
- Ben Dudek
- Peter Keller
- Josh Kraus
- Aaron Nguyen