While InterFaith seeks to involve all religious groups, not all groups sent representatives to join IF. Of the groups that did join:
:: === The Muslim Student Union (MSU) ===
:: The [[Muslim Student Union]] is the Islamic group on campus. All are welcome and meetings are every Friday at 4 in the Muslim Prayer Room.
:: The group was founded with the purpose of bringing together students of Islamic heritage in friendship and brother/sisterhood while educating others about Islam.
:: The MSU has consistently held a Fast-a-thon during the month of Ramadan for various causes, as well as bringing different speakers to campus.
:: === Williams Secular Community (WSC) ===
:: [[Williams Secular Community]] was created as a means to fill the gap among the many religious groups
:: === Williams Catholic ===