The North American Interfraternal Foundation (NIF) and the NASPA Foundation provided start-up funding for the pilot phase of the national study on hazing in postsecondary education. As of March 2010, the following groups have joined this collaborative effort:

• Alpha Omicron Pi: an international women's fraternity promoting friendship for a lifetime, inspiring academic excellence and lifelong learning, and developing leadership skills through service to the fraternity and community.
  
• Alpha Phi Omega: a national, co-ed, service fraternity focused on college campus-based volunteerism for over 75 years.
  
• American College Personnel Association: ACPA fosters college student learning through the generation and dissemination of knowledge, which informs policies, practices and programs for the higher education community.
  
• Association of Fraternity Advisors: AFA is an international organization providing resources, recognition and support for campus fraternity/sorority advising professionals.
  
• Association for Student Judicial Affairs: ASJA facilitates the integration of student development concepts with principles of judicial practice in a post-secondary educational setting, and promotes, encourages and supports student development professionals who have responsibility for student judicial affairs.
  
• Beta Theta Pi: was founded August 8, 1839, at Miami University in Oxford, Ohio. Today, Beta has some 125 chapters and colonies in Canada and the United States.
  
• Center for the Study of the College Fraternity: The CSCF was formed in 1979 to encourage and support research of the highest quality and educational significance on the role of the fraternity and sorority in higher education.
• Delta Delta Delta: Founded in 1888, began as an organization concerned with the growth and development of the college woman and has evolved into a leader among sororities.
  
• Fraternity Executives Association: FEA operates to further the common interests of member organizations by promoting, supporting, and encouraging the free discussion and exchange of ideas relating to college fraternal organizations.
  
• The Gordie Foundation: The mission of the Gordie Foundation is to provide today's young people with the skills to navigate the dangers of alcohol, binge drinking, peer pressure and hazing.
  
• Kappa Alpha Order: National fraternity with 134 chapters at colleges and universities throughout the U.S.
  
• MJ Insurance, Inc.: Providing integrated insurance and risk management consulting to businesses and individuals.
  
• National Association for Campus Activities: NACA links the higher education and entertainment communities in a business and learning partnership.
  
• National Association of Collegiate Directors of Athletics: The largest association of collegiate athletics administrators with representatives from more than 1,600 institutions throughout the United States, Canada and Mexico. Members include athletics directors, associate and assistant athletics directors, conference commissioners and affiliate individuals or corporations.
  
• National Association of Student Personnel Administrators: NASPA provides professional development, promotes exemplary practices, and is a leader in policy development in student personnel administration.
  
• National Collegiate Athletic Association: NCAA is a voluntary association of about 1,200 colleges and universities, athletic conferences and sports organizations devoted to the sound administration of intercollegiate athletics.
  
• National Consortium for Academics and Sports: The mission of the NCAS is to create a better society by focusing on educational attainment and using the power and appeal of sport to positively affect social change.
  
• National Intramural-Recreational Sports Association: Resource for professional and student development, education, and research in collegiate recreational sports.
  
• National Orientation Directors Association: NODA provides education and leadership in the fields of college student orientation, transition and retention.
  
• National Panhellenic Conference: An umbrella organization for 26 inter/national women's fraternities and sororities. Each member group is autonomous as a social, Greek-letter society of college women and alumnae. Members are represented on over 620 college and university campuses in the United States and Canada and in over 4,600 alumnae associations, making up over 3.6 million sorority women in the world.
  
• North American Intrafraternity Conference: advocate the needs of its 64 member fraternities through enrichment of the fraternity experience; advancement and growth of the fraternity community; and enhancement of the educational mission of the host institutions.
  
• North American Interfraternal Foundation: The North American Interfraternal Foundation exists to promote and support leadership, educational, and research initiatives that advance the North American college fraternal experience by giving scholarships, grants and recognition.
  
• Omega Financial: A company that has been helping greek letter organizations manage the financial aspects of their organizations since 1992.
  
• Professional Fraternity Association: The Professional Fraternity Association, Inc. supports professional fraternities and sororities, to preserve high standards on campus and in professional practice.
  
• Professional Fraternity Executives Association: The Professional Fraternity Executives Association (PFEA), is an organization that supports and enhances the development and professionalism of Professional Fraternity executives. Membership is open to full-time, paid chief staff executives of a professional Fraternity.
  
• Phi Sigma Sigma Foundation: Our vision is the advancement of womanhood through personal growth, intellectual development, and selfless giving.
  
• Phi Sigma Sigma Sorority: A dynamic sisterhood of powerful women fostering uncompromising principles, igniting positive change, and embracing individuality.
  
• Pi Beta Phi Fraternity: The mission of Pi Beta Phi Fraternity for Women is to promote friendship, develop women of intellect and integrity, cultivate leadership potential and enrich the lives of members and their communities.
  
• Professional Fraternity Association: The Professional Fraternity Association, Inc. supports professional fraternities and sororities, to preserve high standards on campus and in professional practice.
  
• Sigma Alpha Epsilon Foundation: The Sigma Alpha Epsilon Foundation is the tax-exempt fundraising arm of the SAE Fraternity with the motto “prepare, provide, preserve.”
  
• Sigma Alpha Mu: Sigma Alpha Mu was founded in 1909 at the college of the city of New York as a fraternity of Jewish men.
  
• Sigma Chi Fraternity: International fraternity with chapters throughout North America.
  
• Sigma Nu Fraternity: Sigma Nu Fraternity was founded in 1869 at Virginia Military Institute in Lexington. Sigma Nu currently has nearly 180 active chapters and colonies on college campuses throughout the United States and Canada.
  
• Zeta Beta Tau: The mission of Zeta Beta Tau Fraternity is to foster and develop in its membership the tenets of its Credo: Intellectual Awareness, Social Responsibility, Integrity and Brotherly Love in order to cultivate leadership and service within their communities.