| Organization Name(s) | Located In |
| Waterloo Catholic District School Board | Kitchener |
| Waterloo Catholic District School Board, Newcomer Reception Centre | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres | Cambridge |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Adult High School Diploma Program | Cambridge |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Adult High School Diploma Program | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Citizenship Classes | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Citizenship Classes | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Core Essentials | Cambridge |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Core Essentials | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, English as a Second Language | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, English as a Second Language | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, English as a Second Language | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, English as a Second Language | Kitchener |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, English as a Second Language | Cambridge |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Spots For Tots (The) | Cambridge |
| Waterloo Catholic District School Board, St Louis Adult Learning and Continuing Education Centres, Spots For Tots (The) | Kitchener |
| Waterloo Cooperative Preschool | Waterloo |
| Waterloo Fetal Alcohol Syndrome Support Group | Waterloo |
| Waterloo Infant Toddler Daycare Association | Waterloo |
| Waterloo Region Anaphylaxis Support and Education | Waterloo Region |
| Waterloo Region Cardiac Rehab Foundation | Waterloo Region |
| Waterloo Region Committee on Elder Abuse | Waterloo |
| Waterloo Region Community Legal Services | Kitchener |
| Waterloo Region District School Board | Kitchener |
| Waterloo Region District School Board, Alternative and Continuing Education | Kitchener |
| Waterloo Region District School Board, Alternative and Continuing Education, Essential Skills Upgrading | Waterloo |
| Waterloo Region District School Board, Alternative and Continuing Education, Essential Skills Upgrading | Cambridge |
| Waterloo Region District School Board, Alternative and Continuing Education, Essential Skills Upgrading, ESU-Modified | Waterloo |
| Waterloo Region District School Board, Alternative and Continuing Education, International Language Program | Kitchener |
| Waterloo Region District School Board, Alternative Education Programs | Cambridge |
| Waterloo Region District School Board, Alternative Education Programs, New Dawn School | Kitchener |
| Waterloo Region District School Board, Special Education Services | Kitchener |
| Waterloo Region District School Board, Welcome Centre for Newcomers | Kitchener |
| Waterloo Region Family Network | Waterloo |
| Waterloo Region Hospice Palliative Care Consultation Services | Kitchener |
| Waterloo Region Small Business Centre | Cambridge |
| Waterloo Region Small Business Centre | Kitchener |
| Waterloo Region Small Business Centre | Waterloo |
| Waterloo Region, Municipality Of | Kitchener |
| Waterloo Region. Corporate Resources Department, Council and Administrative Services Division, Office of the Regional Clerk | Kitchener |
| Waterloo Region. Elected Officials | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Affordable Home Ownership Program | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing | Cambridge |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre, Housing Access Sites | Cambridge |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre, Housing Access Sites | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre, Housing Access Sites | Waterloo |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre, Housing Access Sites | Kitchener |
| Waterloo Region. Planning, Housing and Community Services, Waterloo Region Housing, Community Housing Access Centre, Housing Access Sites | Waterloo |
| Waterloo Region. Region of Waterloo Library | Wilmot |
| Waterloo Region. Region of Waterloo Library, Ayr Branch | North Dumfries |
| Waterloo Region. Region of Waterloo Library, Baden Branch | Wilmot |
| Waterloo Region. Region of Waterloo Library, Bloomingdale Branch | Woolwich |
| Waterloo Region. Region of Waterloo Library, Elmira Branch | Woolwich |
| Waterloo Region. Region of Waterloo Library, Linwood Branch | Wellesley |
| Waterloo Region. Region of Waterloo Library, New Dundee Branch | Wilmot |
| Waterloo Region. Region of Waterloo Library, New Hamburg Branch | Wilmot |
| Waterloo Region. Region of Waterloo Library, St Clements Branch | Wellesley |
| Waterloo Region. Region of Waterloo Library, St Jacobs Branch | Woolwich |
| Waterloo Region. Region of Waterloo Library, Wellesley Branch | Wellesley |
| Waterloo Region. Region of Waterloo Public Health | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Child and Family Health | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Child and Family Health | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Emergency Medical Services | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Epidemiology and Health Analytics, Epidemiology and Data Support | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Health Protection and Investigation | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Healthy Living, Planning and Promotion, Health Planning and Evaluation | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Healthy Living, Planning and Promotion, Healthy Eating and Active Communities | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Healthy Living, Planning and Promotion, Healthy Eating and Active Communities, Community Garden Program | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Healthy Living, Planning and Promotion, Healthy Eating and Active Communities, Peer Worker Program | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Dental Health Program | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Immunization Clinic | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Immunization Clinic | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Infectious Disease Reporting | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, International Travel Immunization Clinic | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Needle Exchange Program | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Needle Exchange Program | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Reproductive Health | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Reproductive Health, Prenatal Classes | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Reproductive Health, Prenatal Classes | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Sexual Health Program | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Sexual Health Program | Cambridge |
| Waterloo Region. Region of Waterloo Public Health, Infectious Diseases, Dental and Sexual Health, Tuberculosis Skin Testing Clinic | Waterloo |
| Waterloo Region. Region of Waterloo Public Health, Resource Centre | Waterloo |
| Waterloo Region. Social Services Department | Waterloo |
| Waterloo Region. Social Services Department, Children's Services, Cambridge Children's Centre | Cambridge |
| Waterloo Region. Social Services Department, Children's Services, Child Care Connection | Waterloo |
| Waterloo Region. Social Services Department, Children's Services, Child Care Subsidy | Waterloo |
| Waterloo Region. Social Services Department, Children's Services, Christopher Children's Centre | Cambridge |
| Waterloo Region. Social Services Department, Children's Services, Edith MacIntosh Children's Centre | Kitchener |
| Waterloo Region. Social Services Department, Children's Services, Elmira Children's Centre | Woolwich |
| Waterloo Region. Social Services Department, Children's Services, Home Child Care | Waterloo |
| Waterloo Region. Social Services Department, Children's Services, Home Child Care | Cambridge |
| Waterloo Region. Social Services Department, Children's Services, Infant and Child Development Program | Waterloo |
| Waterloo Region. Social Services Department, Children's Services, Kinsmen Children's Centre | Cambridge |
| Waterloo Region. Social Services Department, Employment and Income Support, Employment Ontario | Cambridge |
| Waterloo Region. Social Services Department, Employment and Income Support, Employment Ontario | Kitchener |
| Waterloo Region. Social Services Department, Employment and Income Support, Employment Ontario | Waterloo |
| Waterloo Region. Social Services Department, Employment and Income Support, Employment Ontario, Counselling Services | Waterloo |
| Waterloo Region. Social Services Department, Employment and Income Support, Employment Ontario, Counselling Services | Cambridge |
| Waterloo Region. Social Services Department, Employment and Income Support, Ontario Works | Waterloo |
| Waterloo Region. Social Services Department, Seniors Services, Homemakers and Nurses Services Program | Kitchener |
| Waterloo Region. Social Services Department, Seniors Services, Sunnyside Community Alzheimer Program | Cambridge |
| Waterloo Region. Social Services Department, Seniors Services, Sunnyside Community Alzheimer Program | Kitchener |
| Waterloo Region. Social Services Department, Seniors Services, Sunnyside Home | Kitchener |
| Waterloo Region. Social Services Department, Seniors Services, Sunnyside Supportive Housing | Kitchener |
| Waterloo Region. Social Services Department, Seniors Services, Sunnyside Wellness Centre | Kitchener |
| Waterloo Region. Social Services Department, Social Planning, Policy and Program Administration, Community Outreach Program | Waterloo Region |
| Waterloo Region. Social Services Department, Social Planning, Policy and Program Administration, Waterloo Region Energy Assistance Program | Waterloo |
| Waterloo Region. Transportation and Environmental Services, Grand River Transit, MobilityPLUS | Kitchener |
| Waterloo Region. Waterloo Regional Police Service | Cambridge |
| Waterloo Region. Waterloo Regional Police Service, Central Division | Kitchener |
| Waterloo Region. Waterloo Regional Police Service, Children's Safety Village | Cambridge |
| Waterloo Region. Waterloo Regional Police Service, Neighbourhood Watch | Waterloo Region |
| Waterloo Region. Waterloo Regional Police Service, North Division | Waterloo |
| Waterloo Region. Waterloo Regional Police Service, Operation Identification | Cambridge |
| Waterloo Region. Waterloo Regional Police Service, Rural North Elmira Division | Woolwich |
| Waterloo Region. Waterloo Regional Police Service, Rural South New Hamburg Division | Wilmot |
| Waterloo Region. Waterloo Regional Police Service, South Division | Cambridge |
| Waterloo Region. Waterloo Regional Police Service, Victim Services Unit | Kitchener |
| Waterloo Regional Down Syndrome Society (The) | Waterloo Region |
| Waterloo Regional Homes for Mental Health | Kitchener |
| Waterloo Walk-In Clinic (The) | Waterloo |
| Waterloo Wellington Community Care Access Centre | Waterloo |
| Waterloo Wellington Community Care Access Centre | Cambridge |
| Waterloo Wellington Local Health Integration Network | Kitchener |
| Waterloo Wellington Myalgic Encephalomyelitis Association | Waterloo |
| Waterloo, City Of | Waterloo |
| Waterloo. Community, Culture, and Recreation Services | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Community Meals Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Home Maintenance Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Homemaking Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Security Check Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Shopping Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Home Support Services, Transportation Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Seniors Division, Senior Outing Day Program | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Seniors Division, Sociable Sundays | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Seniors Division, Waterloo Adult Recreation Centre | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Seniors Division, Wing 404 RCAFA/Rotary Adult Centre | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Seniors Division, Wing 404 RCAFA/Rotary Adult Centre, Conestoga Mall Walkers | Waterloo |
| Waterloo. Community, Culture, and Recreation Services, Waterloo Memorial Recreation Complex, Adapted Aquatics | Waterloo |
| Waterloo. Corporate Services Department | Waterloo |
| Waterloo. Elected Officials | Waterloo |
| Waterloo. Protective Services Department | Waterloo |
| Waterloo. Protective Services Department, Community Relations, Neighbours | Waterloo |
| Waterloo. Public Works Services | Waterloo |
| Waterloo. Waterloo Public Library | Waterloo |
| Waterloo. Waterloo Public Library, John M Harper Branch | Waterloo |
| Waterloo. Waterloo Public Library, McCormick Branch | Waterloo |
| Waterloo-Wellington VOICE for Hearing Impaired Children | Toronto |
| Weber Medical Centre | Kitchener |
| Wee Watch Enriched Home Child Care | Waterloo Region |
| Wee Watch Enriched Home Child Care | Waterloo Region |
| Wee Watch Enriched Home Child Care | Waterloo Region |
| Wellesley and District Cooperative Preschool | Wellesley |
| Wellesley, Township Of | Wellesley |
| Wellesley. Elected Officials | Wellesley |
| Wellesley. Recreation Department | Wellesley |
| White Owl Native Ancestry Association | Kitchener |
| Wilfrid Laurier University | Waterloo |
| Wilfrid Laurier University Students' Union, Laurier Students for Learning | Waterloo |
| Williamsburg Community Association | Kitchener |
| Wilmot Family Resource Centre | Wilmot |
| Wilmot Family Resource Centre, Baden Parent/Child Drop In | Wilmot |
| Wilmot Family Resource Centre, Child Care Registry | Wilmot |
| Wilmot Family Resource Centre, Family Support Outreach Program | Wilmot |
| Wilmot Family Resource Centre, Food Bank | Wilmot |
| Wilmot Family Resource Centre, Parent/Child Drop In | Wilmot |
| Wilmot Family Resource Centre, Resource and Toy Libraries | Wilmot |
| Wilmot Family Resource Centre, Teen Fun Zone | Wilmot |
| Wilmot Family Resource Centre, Wellesley Drop In | Wellesley |
| Wilmot Family Resource Centre, Wilmot/Wellesley Family Violence Prevention Program | Wilmot |
| Wilmot Family Resource Centre, Youth Programs | Wilmot |
| Wilmot, Township Of | Wilmot |
| Wilmot. Elected Officials | Wilmot |
| Wilmot. Facilities and Recreation Department | Wilmot |
| Women for Sobriety | Kitchener |
| Womens Breast Cancer Support Group Kitchener Waterloo | Waterloo Region |
| Women's Crisis Services of Waterloo Region, Anselma House | Kitchener |
| Women's Crisis Services of Waterloo Region, Haven House | Cambridge |
| Women's Crisis Services of Waterloo Region, Safe Steps | Kitchener |
| Woolwich Community Fund | Woolwich |
| Woolwich Community Health Centre | Woolwich |
| Woolwich Community Health Centre, HUGS | Woolwich |
| Woolwich Community Health Centre, Wellesley Township Community Health Centre | Wellesley |
| Woolwich Community Health Centre, Wellesley Township Community Health Centre, Linwood Nurse Practitioner Office | Wellesley |
| Woolwich Community Health Centre, Woolwich Hospice | Woolwich |
| Woolwich Community Services | Woolwich |
| Woolwich Community Services, Care-Ring Elmira | Woolwich |
| Woolwich Community Services, Community Information Centre | Woolwich |
| Woolwich Community Services, Community Supports | Woolwich |
| Woolwich Community Services, Family Violence Prevention Program | Woolwich |
| Woolwich Community Services, Food Basket Program | Woolwich |
| Woolwich Community Services, Income Tax Clinics | Woolwich |
| Woolwich Community Services, Kids and I Resource Centre | Woolwich |
| Woolwich Community Services, St Jacobs Family Support Centre | Woolwich |
| Woolwich Community Services, Thrift Shop | Woolwich |
| Woolwich Community Services, Youth Centre | Woolwich |
| Woolwich Counselling Centre | Woolwich |
| Woolwich Seniors Centre | Woolwich |
| Woolwich, Township Of | Woolwich |
| Woolwich. Elected Officials | Woolwich |
| Woolwich. Recreation and Facilities Services | Woolwich |
| Workforce Planning Board of Waterloo Wellington Dufferin | North Dumfries |
| Working Centre (The) | Kitchener |
| Working Centre (The), Community Tools, Computer Recycling | Kitchener |
| Working Centre (The), Community Tools, Green Door (The) | Kitchener |
| Working Centre (The), Community Tools, Maurita's Kitchen | Kitchener |
| Working Centre (The), Community Tools, Multicultural Cinema Club | Kitchener |
| Working Centre (The), Community Tools, Queen Street Commons Cafe | Kitchener |
| Working Centre (The), Community Tools, Recycle Cycles | Kitchener |
| Working Centre (The), Community Tools, Urban Agriculture | Kitchener |
| Working Centre (The), Community Tools, Worth a Second Look Furniture and Housewares | Kitchener |
| Working Centre (The), Housing Supports, At Home Outreach | Kitchener |
| Working Centre (The), Housing Supports, Hospitality House | Kitchener |
| Working Centre (The), Housing Supports, Housing Desk (The) | Kitchener |
| Working Centre (The), Job Search Resource Centre | Kitchener |
| Working Centre (The), Job Search Resource Centre, Employment Services | Kitchener |
| Working Centre (The), Job Search Resource Centre, Job Cafe | Kitchener |
| Working Centre (The), Job Search Resource Centre, Speak English Cafe | Kitchener |
| Working Centre (The), Self-Directed Computer Training | Kitchener |
| Working Centre (The), St John's Community Kitchen | Kitchener |
| Workplace Safety and Insurance Board of Ontario, Kitchener Area Office | Kitchener |
| Workshop Solutions | Waterloo Region |
| World Wide Opportunities for Women | Waterloo Region |