| Walkers Road, Seniors Apartments | Caledon East |
| Walmart Pharmacy, Bolton (Bolton Supercentre) | Bolton |
| Walmart Pharmacy, Brampton - Coventry Rd (Brampton East Supercentre) | Brampton |
| Walmart Pharmacy, Brampton - Mayfield Rd (Brampton Northeast Supercentre) | Brampton |
| Walmart Pharmacy, Brampton - Mississauga Rd (Brampton West Supercentre) | Brampton |
| Walmart Pharmacy, Brampton - Quarry Edge Dr (Brampton North Supercentre) | Brampton |
| Walmart Pharmacy, Brampton - Resolution Dr (Brampton South Supercentre) | Brampton |
| Walmart Pharmacy, Etobicoke - Islington Ave (Rexdale Supercentre) | Etobicoke North |
| Walmart Pharmacy, Mississauga - North Queen St | Etobicoke |
| Walmart Pharmacy, Orangeville (Orangeville Supercentre) | Orangeville |
| Walmart Pharmacy, Woodbridge - Hwy 27 (Woodbridge Supercentre) | Woodbridge |
| Wal-Mart Pharmacy, Mississauga - Argentia Rd (Meadowvale) | Mississauga |
| Wal-Mart Pharmacy, Mississauga - Burnhamthorpe | Mississauga |
| Wal-Mart Pharmacy, Mississauga - City Centre (Square One) | Mississauga |
| Wal-Mart Pharmacy, Mississauga - Dundas St E | Mississauga |
| Wal-Mart Pharmacy, Mississauga - Matheson Blvd (Heartland Supercentre) | Mississauga |
| War Amputations of Canada (The) | Scarborough |
| Wastewise Community Resource Centre | Georgetown |
| Wawel Villa Seniors Residence | Mississauga |
| WCG Employment Ontario | |
| Wee Watch Enriched Child Care - Brampton | Brampton |
| Wee Watch Private Home Day Care, Terrace Woods Day Care Services Inc. | Caledon |
| Wee Watch Private Home Day Care - Paulins, Marian Fountain Day Care Services Inc. | Peel Region |
| WeFlow Therapy | Mississauga |
| Weight Watchers Canada Ltd | Peel Region |
| WELL Health Diagnostic Centre, Brampton Chrysler, Nuclear Cardiology, Nuclear Medicine and Diagnostic Imaging | Brampton |
| WELL Health Diagnostic Centres, Orangeville, Cardiology, Nuclear Medicine and Diagnostic Imaging | Orangeville |
| WELL Health Medical Clinic, MCI - The Doctor's Office, Brampton - Peel Centre Dr | Brampton |
| WELL Health Sleep Centres, Brampton Chrysler, Sleep Consultations and Sleep Studies | Brampton |
| WellfFort Community Health Centre, Four Corners Health Centre, Diabetes Education Program and Community Outreach | Malton |
| WellFort Community Health Services, Bramalea Community Health Centre | Brampton |
| WellFort Community Health Services, Bramalea Community Health Centre, Dental Care for Youth, Health n' Smiles Ontario (HSO) Program | Brampton |
| WellFort Community Health Services, Bramalea Community Health Centre, Diabetes Education Program and Community Outreach | Brampton |
| WellFort Community Health Services, Bramalea Community Health Centre, Healthcare Promotion Programs - Youth Camp | Brampton |
| WellFort Community Health Services, Bramalea Community Health Centre, Healthcare Services, Counselling and Client Support and Referral | Brampton |
| WellFort Community Health Services, Bramalea Community Health Centre, Sexual Health and Harm Reduction Services - Testing, Treatment, and Counselling Services | Brampton |
| WellFort Community Health Services, Four Corners Health Centre | Malton |
| WellFort Community Health Services, Four Corners Health Centre, Healthcare Promotion - Community Health Education | Malton |
| WellFort Community Health Services, Four Corners Health Centre, Healthcare Promotion - Youth Camps | Malton |
| WellFort Community Health Services, Four Corners Health Centre, Healthcare Services - Foot Care and Chiropody | Malton |
| WellFort Community Health Services, Four Corners Health Centre, Healthcare Services - Counselling | Malton |
| WellFort Community Health Services, Four Corners Health Centre, Physiotherapy Services | Malton |
| WellFort Community Health Services, Primary Health Care | Malton |
| WellFort Community Health Services-Bramalea Community Health Centre, Health Promotion Programs - Seniors Program | Brampton |
| Wellness Healthcare Pharmacy Inc | Mississauga |
| Wellness Pharmacy | Mississauga |
| Wellspring Birmingham Gilgan House | Oakville |
| Wellspring Chinguacousy | Brampton |
| Wellwise - by Shoppers Drug Mart, Brampton | Brampton |
| West Acres Seniors' Centre | Etobicoke North |
| West Brampton Pharmacy | Brampton |
| West Credit Child Care Centre | Erin Mills |
| West Edge Community Church | Mississauga |
| West End Daycare & Montessori Inc | Peel Region |
| West Etobicoke Medical Clinic | Etobicoke |
| West Mississauga Medical | Mississauga |
| West Park Daycare Centre | Erin Mills |
| West Woodbridge Apartaments, St Peter's Seniors Residences | Woodbridge |
| Westacres, Seniors Apartments | Etobicoke North |
| Westbrook Montessori Academy | Meadowvale |
| Westend Sports and Cultural Club | Mississauga |
| Western Heights Montessori, Millcreek Campus | Meadowvale |
| Western Heights Montessori Academy | Dixie |
| Western Heights Montessori Academy, Southdown | Mississauga (City of) |
| Westmore Pharmacy | Etobicoke North |
| Westmore Wellness Medical Centre | Etobicoke North |
| Westside | Etobicoke North |
| Westway Medical Clinic - Walk-In and Children's Clinic | Etobicoke North |
| Wheelchair Accessible Transit Inc. | Toronto |
| Wheelchair Taxi Ontario | Mississauga |
| WheretoStart.ca, Access to Mental Health Services for Children and Youth | |
| Whillans Gate, Family, Single and Seniors Apartments | Brampton |
| White Oaks Montessori School - Clarkson Campus | Clarkson |
| White Oaks Montessori School - Vanier location | Clarkson |
| White Pines Montessori School | Meadowvale |
| William Osler Health Centre, Brampton Civic Hospital | Brampton |
| William Osler Health Centre, Women's and Children's Services | Brampton |
| William Osler Health System, Etobicoke General Hospital, Diabetes Care - Diabetes Education Centre (DEC) | Etobicoke North |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness, Diabetes Care, Diabetes Education Centre (DEC) | Brampton |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness, Mental Health and Addiction Services, Outpatient Services - Eating Disorders Clinic | Brampton |
| William Osler Health System, Volunteer and Community Resources | Brampton |
| William Osler Health System - Brampton Civic Hospital | Brampton |
| William Osler Health System - Brampton Civic Hospital, Cardiac Care - Outpatient Services, Telehomecare Program | Brampton |
| William Osler Health System - Brampton Civic Hospital, Children's Services, Inpatient | Brampton |
| William Osler Health System - Brampton Civic Hospital, Diagnostic Imaging | Brampton |
| William Osler Health System - Brampton Civic Hospital, Kidney Care | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services, Addictions Services for Adults, Withdrawal Management Centre | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Adults | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Inpatient Services | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Outpatient Services | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Children and Adolescents, Outpatient Services - Child Psychiatry Consultation | Brampton |
| William Osler Health System - Brampton Civic Hospital, Mental Health and Addiction Services - Mental Health Services for Adults, Community Treatment Orders Program and Case Management | Brampton |
| William Osler Health System - Brampton Civic Hospital, Musculoskeletal Assessment and Intake Clinic | Brampton |
| William Osler Health System - Brampton Civic Hospital, Ontario Breast Screening Program (OBSP) | Brampton |
| William Osler Health System - Brampton Civic Hospital, Outpatient Services, Musculoskeletal Program - Rheumatology Early Arthritis Centre | Brampton |
| William Osler Health System - Brampton Civic Hospital, Palliative Care, Inpatient Units - Consultation Service | Brampton |
| William Osler Health System - Brampton Civic Hospital, Surgical Services | Brampton |
| William Osler Health System - Etobicoke General Hospital, Cardiac Care - Outpatient Services, Cardiac Diagnostic Services | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Diagnostic Imaging | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Mental Health and Addiction Services, Addiction Services for Adults, Addiction Counselling Services (including Problem Gambling) | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Emergency/Crisis Services | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Inpatient Services | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Ontario Breast Screening Program (OBSP) - Etobicoke | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Outpatient Rehabilitation | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Palliative Care, Inpatient Unit - Consultation Service | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Respiratory Therapy, Asthma Education Clinic - Outpatient | Etobicoke North |
| William Osler Health System - Etobicoke General Hospital, Respiratory Therapy, Chronic Obstructive Pulmonary Disease - COPD Education Clinic - Outpatient | Etobicoke North |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Behavioural Support - Psychogeriatric Resource Consultant | Brampton |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Mental Health and Addiction, Transitional Aged Youth Clinic | Peel Region |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Mental Health and Addiction Services, Addiction Services for Adults - Addiction Counselling Services (including problem gambling) | Brampton |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Mental Health and Addiction Services, Mental Health Services for Children and Adolescents - Outpatient Services, Child and Adolescent Clinic | Brampton |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Respiratory Therapy, Asthma Education Clinic - Outpatient | Brampton |
| William Osler Health System - Peel Memorial Centre for Integrated Health and Wellness, Respiratory Therapy - Chronic Obstructive Pulmonary Disease, Pulmonary Rehabilitation Program - Outpatient | Brampton |
| William Osler Health System, Brampton Civic Hospital, Cardiac Care, Outpatient Services, Cardiac Diagnostic Services | Brampton |
| William Osler Health System, Brampton Civic Hospital, Emergency Department | Brampton |
| William Osler Health System, Brampton Civic Hospital, Kidney Care, Home Dialysis Program (Peritoneal and Hemodialysis) | Brampton |
| William Osler Health System, Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Day Treatment | Brampton |
| William Osler Health System, Brampton Civic Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Emergency/Crisis Services | Brampton |
| William Osler Health System, Brampton Civic Hospital, Mental Health Services for Children and Adolescents, Day Hospital | Brampton |
| William Osler Health System, Brampton Civic Hospital, Mental Health Services for Children and Adolescents, Inpatient Units | Brampton |
| William Osler Health System, Brampton Civic Hospital, Orthopedic Physiotherapy Clinic | Brampton |
| William Osler Health System, Brampton Civic Hospital, Seniors' Care, Inpatient Services | Brampton |
| William Osler Health System, Brampton Civic Hospital, Seniors' Care, Outpatient Services | Brampton |
| William Osler Health System, Etobicoke General Hospital | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Cardiac Care, Outpatient Services - Cardiac Rehabilitation Clinic (Progression) | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Emergency and Urgent Care, Emergency Department | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Kidney Care | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Intensive Outpatient Mental Health | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Mental Health and Addiction Services, Mental Health Services for Adults, Outpatient Services | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Mental Health Services for Adults, Centralized Intake and Triage | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Musculoskeletal Assessment and Intake Clinic | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Senior's Care - Outpatient Services | Etobicoke North |
| William Osler Health System, Etobicoke General Hospital, Surgical Services | Etobicoke North |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness, Cardiac Care, Outpatient Services, Cardiac Rehabilitation Clinic (Progression) | Brampton |
| William Osler Health System, Peel Memorial Centre for Integrated Health and Wellness, Urgent Care Centre | Brampton |
| Willow Tree Montessori Inc. | Streetsville |
| Willowbrae Academy Brampton | Brampton |
| Willowridge Early Learning Child Care Centre | Etobicoke North |
| Women's Care Clinic Toronto | Toronto |
| Womens Habitat of Etobicoke | Etobicoke |
| Woodbine Family Health Team | Etobicoke North |
| Woodbridge Urgent Care Clinic | Woodbridge |
| Woodhall Park Community | Brampton |
| Woodhall Park Retirement Village | Brampton |
| Workplace Safety and Prevention Services | Mississauga |
| World Education Services, International Academic Credential Evaluation, Canadian Office | Toronto Central |
| World Vision Canada | Mississauga |