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Alphabetical Listing of Services - O - Hamilton Niagara Haldimand Brant
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Oak Centre - Port Colborne - Lake House   Port Colborne
Oak Centre - Welland - Oak Centre   Welland
Oakdale Child and Family Service   Toronto
Oakville Community Homes - Normandy Place   Oakville
Oakwood Park Lodge   Niagara Falls
Oasis Addiction Recovery Society   Toronto
Oasis Centre des femmes   Toronto
Occupational Health Clinics for Ontario Workers   Hamilton
Offender Reintegration and Assistance Program   St Catharines
Office of the Information Commissioner of Canada   Gatineau
Office of the Ombudsman of Ontario   Toronto
Office of the Privacy Commissioner of Canada   Gatineau
Ohwejagehka: Ha`degaenage:   Ohsweken
Older Adult Centres' Association of Ontario   Caledon East
Olive Branch (The)   Hamilton
OMama   Ottawa
OmbudService for Life and Health Insurance   Toronto
ONE Fertility   Burlington
OneSight - Brantford - Sears Optical   Brantford
Online Chronic Disease Self-Management Program  
Ontario Aboriginal HIV/AIDS Strategy   Toronto
Ontario Aboriginal Housing Services   Sault Ste Marie
Ontario Addiction Treatment Centres - Hamilton Clinic - Ontario Addiction Treatment Centres (OATC)   Hamilton
Ontario Addiction Treatment Centres - Niagara Falls Clinic   Niagara Falls
Ontario Agencies Supporting Individuals with Special Needs  
Ontario AIDS Network   Toronto
Ontario Association for Families of Children with Communication Disorders   Woodstock
Ontario Association for Marriage and Family Therapy   Tottenham
Ontario Association for Suicide Prevention   Williamstown
Ontario Association of Children's Aid Societies   Toronto
Ontario Association of Food Banks   Toronto
Ontario Association of Interval and Transition Houses   Toronto
Ontario Association of Non-Profit Homes and Services for Seniors   Woodbridge
Ontario Association of Orthodontists  
Ontario Association of Public Health Dentistry   Port Hope
Ontario Association of Social Workers   Toronto
Ontario Association of Social Workers - Hamilton District Branch   Hamilton
Ontario Association of Speech-Language Pathologists and Audiologists   Toronto
Ontario Association of the Deaf   Toronto
Ontario Association on Developmental Disabilities   Toronto
Ontario Bariatric Network  
Ontario Brain Injury Association   St Catharines
Ontario Centre for Excellence for Child and Youth Mental Health   Ottawa
Ontario Chiropractic Association   Toronto
Ontario Chronic Disease Prevention Alliance   Toronto
Ontario Coalition of Aboriginal People   Wabigoon
Ontario Coalition of Rape Crisis Centres  
Ontario College of Family Physicians   Toronto
Ontario College of Pharmacists   Toronto
Ontario College of Reflexology   New Liskeard
Ontario College of Social Workers and Social Service Workers   Toronto
Ontario Community Support Association   Toronto
Ontario Council of Agencies Serving Immigrants   Toronto
Ontario Deaf Foundation   Milton
Ontario Dental Association   Toronto
Ontario Early Years Centre - Niagara Centre Service Area - Grimsby Beach Hall Site - Early Childhood Family Centre   Grimsby
Ontario Early Years Centre - Niagara Centre Service Area - Pelham Public Library - Early Years Mobile Program   Welland
Ontario Early Years Centre - Niagara Centre Service Area - Welland - Main Hub Site   Welland
Ontario Early Years Centre: Brant   Brantford
Ontario Early Years Centre: Brant - Oakland-Scotland School - Best Start Early Learning and Parenting Centre   Brantford
Ontario Energy Board - Housing Help Centre - Ontario Electricity Support Program (OESP) - Lower City   Hamilton
Ontario Energy Board - Neighbour to Neighbour Centre - Ontario Electricity Support Program (OESP) - Mountain Area   Hamilton
Ontario Energy Board - Ontario Electricity Support Program   Ottawa
Ontario Federation for Cerebral Palsy   Toronto
Ontario Federation of Indigenous Friendship Centres   Toronto
Ontario Harm Reduction Distribution Program   Kingston
Ontario Healthy Communities Coalition   Toronto
Ontario HIV Treatment Network   Toronto
Ontario Home Care Association   Hamilton
Ontario Hospital Association   Toronto
Ontario Human Rights Commission   Toronto
Ontario Immigration  
Ontario Institute for Studies in Education of the University of Toronto - OISE Psychology Clinic   Toronto
Ontario Kinesiology Association   Mississauga
Ontario Long Term Care Association   Toronto
Ontario Lung Association - Brant / Haldimand / Norfolk   Brantford
Ontario Lung Association - Brantford - Wayne Gretzky Pkwy - COPD Support Group   Brantford
Ontario Medical Association   Toronto
Ontario Medical Association - Lincoln County Academy of Medicine   St Catharines
Ontario Medical Association - Niagara South Medical Society   Welland
Ontario Ministry of Citizenship and Immigration - Regional Services   St Catharines
Ontario Native Literacy Coalition   Ohsweken
Ontario Native Women's Association   Fort William First Nation
Ontario Native Women's Association - Aboriginal Healthy Babies Healthy Children Program   Hamilton
Ontario Pain Foundation   Burlington
Ontario Partnership on Aging and Developmental Disabilities   Thornhill
Ontario Pet Loss Support Group   Mississauga
Ontario Pharmacists Association   Toronto
Ontario Physiotherapy Association   Toronto
Ontario Podiatric Medical Association   Toronto
Ontario Poison Centre   Toronto
Ontario Prader-Willi Syndrome Association   Toronto
Ontario Provincial Police - Burlington Detachment - Highway Safety Division   Burlington
Ontario Provincial Police - General Headquarters   Orillia
Ontario Provincial Police - Haldimand County Detachment   Cayuga
Ontario Provincial Police - Niagara Detachment   Niagara Falls
Ontario Provincial Police - Norfolk County Detachment   Simcoe
Ontario Provincial Police - Police Services   Paris
Ontario Psychological Association   Toronto
Ontario Psychotherapy and Counseling Referral Directory   St Catharines
Ontario Public Health Association   Toronto
Ontario Renal Network   Toronto
Ontario Retirement Communities Association   Oakville
Ontario Rett Syndrome Association   London
Ontario Senior Games Association - Halton District 21   Milton
Ontario Society (Coalition) of Senior Citizens' Organizations   Toronto
Ontario Society of Chiropodists   Newmarket
Ontario Society of Occupational Therapists   Toronto
Ontario Society of Psychotherapists   Toronto
Ontario Special Education Tribunals   Toronto
Ontario St Walk-in Clinic   St Catharines
Ontario Students Against Impaired Driving   Toronto
Ontario Students Against Impaired Driving - Langton - Hwy 59 - Valley Heights Secondary School   Langton
Ontario Telemedicine Network (OTN)   Toronto
Ontario Tenants Rights Website   Toronto
Ontario Track 3 Ski Association for the Disabled - Glen Eden   Etobicoke
Ontario Trillium Foundation - Brantford Office   Brantford
Ontario Trillium Foundation - Halton Peel Regional Office   Toronto
Ontario Trillium Foundation - Niagara Region Office   St Catharines
Ontario Women's Health Network   Toronto
Ontario. Employment Ontario   Toronto
Ontario. Financial Services Commission of Ontario - Motor Vehicle Accident Claims Fund   Toronto
Ontario. Landlord and Tenant Board - Duty Counsel   Hamilton
Ontario. Landlord and Tenant Board - Hamilton Central - Southern Regional Office - Landlord and Tenant Board   Hamilton
Ontario. Legislative Assembly of Ontario - Office of the Provincial Advocate for Children and Youth   Toronto
Ontario. Members of Provincial Parliament - Ancaster—Dundas—Flamborough—Westdale District   Waterdown
Ontario. Members of Provincial Parliament - Brant District   Brantford
Ontario. Members of Provincial Parliament - Burlington District   Burlington
Ontario. Members of Provincial Parliament - Haldimand—Norfolk District   Simcoe
Ontario. Members of Provincial Parliament - Halton District   Milton
Ontario. Members of Provincial Parliament - Hamilton Centre District   Hamilton
Ontario. Members of Provincial Parliament - Hamilton East—Stoney Creek District   Hamilton
Ontario. Members of Provincial Parliament - Hamilton Mountain District   Hamilton
Ontario. Members of Provincial Parliament - Niagara Falls District - Fort Erie Office   Fort Erie
Ontario. Members of Provincial Parliament - Niagara Falls District - Niagara Falls Office   Niagara Falls
Ontario. Members of Provincial Parliament - St Catharines District   St Catharines
Ontario. Members of Provincial Parliament - Welland District   Welland
Ontario. Members of Provincial Parliament - Welland Provincial Electoral District - Port Colborne Office   Port Colborne
Ontario. Members of Provincial Parliament – Andrea Horwath, MPP - Income Tax Clinic   Hamilton
Ontario. Ministry of Advanced Education and Skills Development   Toronto
Ontario. Ministry of Agriculture, Food and Rural Affairs - Guelph - Provincial Headquarters   Guelph
Ontario. Ministry of Agriculture, Food and Rural Affairs - Vineland Resource Centre   Vineland Station
Ontario. Ministry of Agriculture, Food and Rural Affairs - Woodstock Resource Centre and Regional Economic Development Office   Woodstock
Ontario. Ministry of Children and Youth Services   Toronto
Ontario. Ministry of Children and Youth Services - Central West Region   Mississauga
Ontario. Ministry of Children and Youth Services - Mississauga - Central Region - Assistance for Children with Severe Disabilities / Special Services At Home   Mississauga
Ontario. Ministry of Children and Youth Services - Simcoe - Ireland Rd - Sprucedale Youth Centre   Simcoe
Ontario. Ministry of Children and Youth Services - Simcoe - West St - Youth Justice Services - Probation Services   Simcoe
Ontario. Ministry of Children and Youth Services - St Catharines   St Catharines
Ontario. Ministry of Children and Youth Services - Youth Justice Probation Office   Hamilton
Ontario. Ministry of Children and Youth Services - Youth Justice Services   Burlington
Ontario. Ministry of Citizenship and Immigration   Toronto
Ontario. Ministry of Citizenship and Immigration   Hamilton
Ontario. Ministry of Community and Social Services   Toronto
Ontario. Ministry of Community and Social Services - Brantford - Henry St - Ontario Disability Support Program   Brantford
Ontario. Ministry of Community and Social Services - Simcoe - Kent St N - Ontario Disability Support Program   Simcoe
Ontario. Ministry of Community and Social Services - St Catharines - Ontario Disability Support Program   St Catharines
Ontario. Ministry of Community and Social Services - West Region   London
Ontario. Ministry of Community and Social Services and Ministry of Children and Youth Services - Hamilton Central   Hamilton
Ontario. Ministry of Community Safety and Correctional Services   Hamilton
Ontario. Ministry of Community Safety and Correctional Services   Toronto
Ontario. Ministry of Community Safety and Correctional Services - Brantford Jail   Brantford
Ontario. Ministry of Community Safety and Correctional Services - Caledonia - Argyle St S - Probation and Parole Services   Caledonia
Ontario. Ministry of Community Safety and Correctional Services - Elgin-Middlesex Detention Centre   London
Ontario. Ministry of Community Safety and Correctional Services - Hamilton East - Probation and Parole   Hamilton
Ontario. Ministry of Community Safety and Correctional Services - Hamilton Mountain Central - Probation and Parole   Hamilton
Ontario. Ministry of Community Safety and Correctional Services - Niagara Detention Centre   Thorold
Ontario. Ministry of Community Safety and Correctional Services - Niagara Falls - Probation and Parole Services   Niagara Falls
Ontario. Ministry of Community Safety and Correctional Services - Probation and Parole   Hamilton
Ontario. Ministry of Community Safety and Correctional Services - Simcoe - Queensway W - Probation and Parole Services   Simcoe
Ontario. Ministry of Community Safety and Correctional Services - Southwest Region - Midhurst - Ontario Fire Marshall   Midhurst
Ontario. Ministry of Community Safety and Correctional Services - St Catharines - Probation and Parole Services   St Catharines
Ontario. Ministry of Community Safety and Correctional Services - Welland - Probation and Parole Services   Welland
Ontario. Ministry of Education   Toronto
Ontario. Ministry of Education - Trillium Demonstration School   Milton
Ontario. Ministry of Finance   Oshawa
Ontario. Ministry of Government and Consumer Services   Toronto
Ontario. Ministry of Health and Long-Term Care   Toronto
Ontario. Ministry of Health and Long-Term Care - Claims Services   Hamilton
Ontario. Ministry of Health and Long-Term Care - Hamilton Office, Ellen Fairclough Bldg, 11th Flr - Central South Region - Healthy System Accountability and Performance Division   Hamilton
Ontario. Ministry of Health and Long-Term Care - Hamilton Service Area Office   Hamilton
Ontario. Ministry of Health and Long-Term Care - Mississauga Central Ambulance Communications Centre - Emergency Health Services   Mississauga
Ontario. Ministry of Health and Long-Term Care - Performance Improvement and Compliance Branch   Hamilton
Ontario. Ministry of Labour   Hamilton
Ontario. Ministry of Labour   Toronto
Ontario. Ministry of Labour - Employment Standards   Hamilton
Ontario. Ministry of Labour - London Office   London
Ontario. Ministry of Labour - Niagara Regional Office   St Catharines
Ontario. Ministry of Municipal Affairs - Hamilton Central - Regional Office - Landlord and Tenant Board   Hamilton
Ontario. Ministry of Municipal Affairs and Housing - Disaster Recovery Assistance   Toronto
Ontario. Ministry of Municipal Affairs and Housing - Rental Housing Enforcement Unit   Toronto
Ontario. Ministry of the Attorney General   Toronto
Ontario. Ministry of the Attorney General - Brantford - Queen St - Family Law Information Centre   Brantford
Ontario. Ministry of the Attorney General - Brantford - Queen St - Ontario Court of Justice   Brantford
Ontario. Ministry of the Attorney General - Brantford - Victim Witness Assistance Program   Brantford
Ontario. Ministry of the Attorney General - Brantford - Wellington St - Superior Court of Justice   Brantford
Ontario. Ministry of the Attorney General - Burlington - Ontario Court of Justice - Criminal Court   Burlington
Ontario. Ministry of the Attorney General - Burlington - Ontario Court of Justice - Criminal Youth Court   Burlington
Ontario. Ministry of the Attorney General - Burlington - Superior Court of Justice - Small Claims Court   Burlington
Ontario. Ministry of the Attorney General - Cayuga - Munsee St - Family Law Information Centre   Cayuga
Ontario. Ministry of the Attorney General - Family Court   Hamilton
Ontario. Ministry of the Attorney General - Family Law Information Centre   Hamilton
Ontario. Ministry of the Attorney General - Haldimand County - Cayuga - Munsee St N - Office of the Crown Attorney   Cayuga
Ontario. Ministry of the Attorney General - Hamilton Central - 172 Main St - Mandatory Information Programs (MIPs)   Hamilton
Ontario. Ministry of the Attorney General - Hamilton Central - Victim/Witness Assistance Program   Hamilton
Ontario. Ministry of the Attorney General - London Office - Office of the Public Guardian and Trustee   London
Ontario. Ministry of the Attorney General - Niagara Falls - Family Law Information Centre   Niagara Falls
Ontario. Ministry of the Attorney General - Niagara North - Crown Attorney   St Catharines
Ontario. Ministry of the Attorney General - Niagara South - Crown Attorney   Welland
Ontario. Ministry of the Attorney General - Norfolk County - Simcoe - Frederick Hobson VC - Office of the Crown Attorney   Simcoe
Ontario. Ministry of the Attorney General - Office of the Public Guardian and Trustee - Hamilton Branch - Office of the Public Guardian and Trustee   Hamilton
Ontario. Ministry of the Attorney General - On-Site Mediation Services   Hamilton
Ontario. Ministry of the Attorney General - Simcoe - Frederick Hobson VC Dr   Simcoe
Ontario. Ministry of the Attorney General - St Catharines - Court Services   St Catharines
Ontario. Ministry of the Attorney General - St Catharines - Family Law Information Centre   St Catharines
Ontario. Ministry of the Attorney General - St Catharines - Victim/Witness Assistance Program   St Catharines
Ontario. Ministry of the Attorney General - Welland - Court Services   Welland
Ontario. Ministry of the Attorney General - Welland - Family Law Information Centre   Welland
Ontario. Ministry of the Attorney General - Welland - Victim/Witness Assistance Program   Welland
Ontario. Ministry of the Environment and Climate Change   Toronto
Ontario. Ministry of the Environment and Climate Change - London Regional Office   London
Ontario. Ministry of the Environment and Climate Change - Niagara District Office   St Catharines
Ontario. Ministry of Transportation   Toronto
Ontario. Ministry of Transportation - Burlington Location - Senior Driver Renewal Program   Burlington
Ontario. Ministry of Transportation - Georgetown Location - Senior Driver Renewal Program   Georgetown
Ontario. Ministry of Transportation - Hamilton East - 163 Centennial Pkwy - Private Driver and Vehicle Licence Issuing Office   Hamilton
Ontario. Ministry of Transportation - Hamilton GO Centre - GO Transit   Toronto
Ontario. Ministry of Transportation - St Catharines - Head Office   St Catharines
Ontario. Office of Francophone Affairs   Toronto
Ontario. Office of the Worker Adviser - Hamilton Central - Office of the Worker Adviser   Hamilton
Ontario. ServiceOntario - Brantford - Wellington St - Brant Land Registry Office 2   Brantford
Ontario. ServiceOntario - Brantford - West St   Brantford
Ontario. ServiceOntario - Burlington - East Service Counter   Burlington
Ontario. ServiceOntario - Burlington - West Service Counter   Burlington
Ontario. ServiceOntario - Caledonia - Caithness St E - Caledonia Service Counter   Caledonia
Ontario. ServiceOntario - Central Hamilton Service Counter   Hamilton
Ontario. ServiceOntario - Dundas Service Counter   Dundas
Ontario. ServiceOntario - Dundurn Service Counter   Hamilton
Ontario. ServiceOntario - Dunnville - Queen St   Dunnville
Ontario. ServiceOntario - Fonthill   Fonthill
Ontario. ServiceOntario - Fort Erie   Fort Erie
Ontario. ServiceOntario - Grimsby   Grimsby
Ontario. ServiceOntario - Hagersville - Main St N   Hagersville
Ontario. ServiceOntario - Hamilton East Service Counter   Hamilton
Ontario. ServiceOntario - Hamilton South Service Counter   Hamilton
Ontario. ServiceOntario - Hamilton Upper Ottawa Service Counter   Hamilton
Ontario. ServiceOntario - Milton - Highpoint Service Counter   Milton
Ontario. ServiceOntario - Milton - Highpoint Service Counter - Land Registry Office 20 Halton   Milton
Ontario. ServiceOntario - Niagara Falls   Niagara Falls
Ontario. ServiceOntario - Niagara-on-the-Lake   Niagara-on-the-Lake
Ontario. ServiceOntario - Office 62 - Land Registry Office   Hamilton
Ontario. ServiceOntario - Paris - Grand River St N   Paris
Ontario. ServiceOntario - Port Colborne   Port Colborne
Ontario. ServiceOntario - Port Dover - Main St   Port Dover
Ontario. ServiceOntario - Port Rowan - Bay St   Port Rowan
Ontario. ServiceOntario - Simcoe - Frederick Hobson VC Dr   Simcoe
Ontario. ServiceOntario - Simcoe - Frederick Hobson VC Dr - Norfolk Land Registry Office 37   Simcoe
Ontario. ServiceOntario - Smithville   Smithville
Ontario. ServiceOntario - St Catharines - Church St - Land Registry Offices North and South   St Catharines
Ontario. ServiceOntario - St Catharines - St Paul St   St Catharines
Ontario. ServiceOntario - St Catharines West - Scott St   St Catharines
Ontario. ServiceOntario - Waterdown Service Counter   Waterdown
Ontario. ServiceOntario - Welland   Welland
Ontario. Women's Directorate   Toronto
Ontatio. Ministry of Seniors Affairs   Toronto
Oonuhseh Niagara Native Homes Inc   St Catharines
Open Arms Mission Welland - Welland - Fifth St   Welland
Open Arms of Jesus Outreach Ministry   St Catharines
Open Windows 2 Wellness - Brantford - Tranquility St - Allergy, Acupuncture and Anti-Aging Clinic   Brantford
Operation Come Home   Ottawa
Operational Stress Injury Social Support - Southwestern Ontario   London
Ophea   Toronto
Options Emploi Collège Boréal   Hamilton
Options for Autism  
Orchard Terrace Care Centre   Stoney Creek
Orchard Terrace Care Centre - Retirement Home   Stoney Creek
Orchard View Apartments   Vineland
Order Sons of Italy of Canada - Hamilton Central - Trieste Lodge   Hamilton
Osteoporosis Canada   Toronto
Osteoporosis Canada - Hamilton-Burlington Chapter   Hamilton
Ostomy Canada Society   Mississauga
Ostomy Canada Society - Halton and Peel Chapter 711   Mississauga
Our Lady Queen of Peace Montessori Bilingual School   Brantford
Our Place Community of Hope Centre   Toronto
Out of the Cold - Central Presbyterian Church - Out of the Cold Day Program – Thursday   Hamilton
Out of the Cold - Christ's Church Cathedral - Out of the Cold Day Program – Saturday and Tuesday   Hamilton
Out of the Cold - Immanuel Christian Reformed Church - Out of the Cold Day Program - Monday   Hamilton
Out of the Cold - Out of the Cold Day Program – Friday   Hamilton
Out of the Cold - Out of the Cold Day Program – Monday and Saturday   Hamilton
Out of the Cold - Out of the Cold Day Program – Wednesday   Hamilton
Out of the Cold - St. Stephen of Hungary Roman Catholic Church - Out of the Cold Day Program – Monday   Hamilton
Out of the Cold Program   St Catharines
Out of the Cold. Overnight Shelters   Toronto
Ovarian Cancer Canada   Toronto
Overeaters Anonymous   Toronto
Overeaters Anonymous - Brant County   Toronto
Overeaters Anonymous - Central Ontario Intergroup - Oakville / Burlington Area Meetings   Toronto
Overeaters Anonymous - Dundas - St. Mark's United Church   Dundas
Ozanam Centre   St Catharines