Student Enterprises & Assistance League
Student Leadership Conferences Of Ontario
Student Mission Advance
Student Shorts
Student Theatre Active Representatives Society
Students for Education, Empowerment and Development (SEED)
Studio 123 Early Learning Centre
Studio 180 Theatre
Studio Lab Theatre Foundation
Studio Seven Theatre Productions
Sturgeon Lake Sailing Club
Stuttering Association Of Ontario
Styles Family Foundation
Subhash and Promila Jhamb Foundation
Subtle Technologies Arts Projects
Subud Toronto
Sucat David Foundation
Sudanese Community Church of Toronto
Sudbury International Development Assistance Program
Sugar Workers & Industry Education Resource Library