Organization / Program Name(s) Located In
Oakdale Child and Family Services, Oakdale Child and Family ServiceSpringwater
Oasis Centre des femmesToronto
OCASI - Ontario Council of Agencies Serving Immigrants, CitizenshipCounts.caToronto
OCASI - Ontario Council of Agencies Serving Immigrants, NewYouth.caToronto
OCASI - Ontario Council of Agencies Serving Immigrants, Settlement.OrgToronto
OCASI - Ontario Council of Agencies Serving Immigrants, WelcomeOntario.caToronto
OCD NorthBarrie
OCD WellnessBarrie
Office of the Fire Marshal, Gravenhurst, Public Safety Training Division - Ontario Fire College Resource CentreGravenhurst
Ogemawahj Tribal Council, Ogemawahj Tribal Training and Economic Resources, Rama - 5984 Rama RdChippewas of Rama First Nation
Ogemawahj Tribal Council, Rama - 5984 Rama RdChippewas of Rama First Nation
Ombudsman for Banking Services and Investments, TorontoToronto Downtown
Ombudsman OntarioToronto
On My List Senior Assist, Mobile ServiceClearview (Simcoe County)
On Solid Ground, Autism & Behaviour ServicesBarrie
Once Upon a ChildBarrie
One Church Alliston, Mailing AddressAlliston
One Church Barrie, Mailing AddressBarrie
One Community, Free Thanksgiving DinnerCollingwood
One Roof, MidlandMidland
Onstage Performance GroupBarrie
Ontario Aboriginal Housing ServicesSault Ste. Marie
Ontario Addiction Treatment Centres, Alliston OfficeNew Tecumseth
Ontario Addiction Treatment Centres, Collingwood ClinicCollingwood
Ontario Association of Optometrists, Toronto - Adelaide St E, Eye See...Eye LearnToronto Downtown Central
Ontario Camps AssociationToronto
Ontario Civilian Police CommissionToronto
Ontario Clean Water Agency, Georgian Bay Highlands PlantSpringwater
Ontario College Application ServiceGuelph
Ontario College of TradesToronto Downtown
Ontario Dental AssociationToronto Downtown North
Ontario Educational Leadership Centre 
Ontario Energy BoardToronto
Ontario Energy Board (Central East)Toronto
Ontario Energy Board (Central East), Central East Ontario - No Physical Address, Low-Income Energy Assistance Program (LEAP) - Central East Application SitesToronto
Ontario English Catholic Teachers Association. Simcoe Muskoka UnitBarrie
Ontario Federation for Cerebral PalsyNorth York Central
Ontario Federation of Anglers and Hunters, Invading Species Awareness ProgramPeterborough
Ontario Federation of Anglers and Hunters, Mobile Service, TackleShare ProgramPeterborough
Ontario Federation of Anglers and HuntersPeterborough
Ontario Federation of Snowmobile Clubs, Mailing AddressBarrie
Ontario Federation of Snowmobile Clubs, Simcoe County, Mid Ontario Snowmobile TrailsTay
Ontario Federation of Teaching ParentsOntario
Ontario Fencing AssociationToronto
Ontario Health - Trillium Gift of Life NetworkToronto Downtown Central
Ontario Home Health, CollingwoodCollingwood
Ontario Hooking Craft Guild, Mailing AddressMinesing
Ontario Incontinence SuppliesNew Tecumseth
Ontario Liberal Party, Barrie-Innisfil Provincial Electoral District AssociationBarrie
Ontario Liberal Party, No Physical Address, Barrie-Springwater-Oro-Medonte Provincial Electoral District AssociationBarrie
Ontario Medical Imaging, MidlandMidland
Ontario Medical Imaging, Ontario Breast Screening Program, OrilliaOrillia
Ontario Medical Imaging, Orillia, Memorial Avenue X-ray and UltrasoundOrillia
Ontario Ministry of Natural Resources and Forestry, Ontario Hunter Education ProgramPeterborough
Ontario Motor Vehicle Industry CouncilToronto
Ontario NatureToronto Downtown
Ontario Northland / Hammond Coach Line, OrilliaOrillia
Ontario Nurses' Association, Orillia, Regional OfficeOrillia
Ontario Parents Advocating for Children with CancerBarrie
Ontario Parole Board, Victim SupportToronto
Ontario Photo CardOntario
Ontario Poison CentreToronto Downtown Central
Ontario Provincial Police, Alliston, Nottawasaga DetachmentNew Tecumseth
Ontario Provincial Police, Collingwood, Collingwood and The Blue Mountains Detachment, CollingwoodCollingwood
Ontario Provincial Police, Midland - Hwy 12, Southern Georgian Bay DetachmentMidland
Ontario Provincial Police, OPP Museum, Orillia - MemorialOrillia
Ontario Provincial Police, OPP Satellite Office - Penetanguishene, Penetanguishene Satellite OfficePenetanguishene
Ontario Provincial Police, Orillia - Hurtubise Dr, Central Region OfficeOrillia
Ontario Provincial Police, Orillia - Memorial, General HeadquartersOrillia
Ontario Provincial Police, Orillia - University Ave, Orillia Detachment, Orillia - University AveOrillia
Ontario Provincial Police, Project Safe Trade, Collingwood, CollingwoodCollingwood
Ontario Provincial Police, Southern Georgian Bay Detachment, Midland - Second StMidland
Ontario Provincial Police, Wasaga Beach, Huronia West DetachmentWasaga Beach
Ontario Registered Music Teachers Association, No Physical AddressBarrie
Ontario Senior Games AssociationBarrie
Ontario Society for the Prevention of Cruelty to Animals, OrilliaOrillia
Ontario SPCA and Humane Society, Barrie - 91 Patterson Rd, Ontario SPCA - Barrie Animal CentreBarrie
Ontario SPCA and Humane Society, Barrie - 91A Patterson Rd, Marion Vernon Memorial Animal ClinicBarrie
Ontario SPCA Midland & District Animal CentreTay
Ontario SPCA Midland & District Animal Centre, Midland et District, Carver Off-Leash Dog ParkTay
Ontario Track3 Adaptive Sports AssociationToronto
Ontario Trails CouncilDeseronto
Ontario Universities' Application CentreGuelph
Ontario Vipassana Centre, Egbert, Dhamma Torana 
Ontario Water Centre (The)Georgina
Ontario Wheelchair Access & Mobility EquipmentOrillia
Ontario, Ministry of the Solicitor General, Barrie, Probation and Parole Services, BarrieBarrie
Ontario, Ministry of the Solicitor General, Southwest Region - Midhurst, Ontario Fire MarshallSpringwater
Ontario. Members of Provincial Parliament, Barrie-Innisfil Riding, Provincial Constituency Office - Andrea KhanjinBarrie
Ontario. Members of Provincial Parliament, Barrie-Springwater-Oro-Medonte Riding, Provincial Constituency Office - Doug DowneyBarrie
Ontario. Members of Provincial Parliament, Provincial Constituency Office - Brian Saunderson, Simcoe-Grey Riding - Stayner OfficeStayner
Ontario. Members of Provincial Parliament, Provincial Constituency Office - Brian Saunderson, Simcoe-Grey Riding - Stayner Office, Simcoe-Grey Riding - Stayner OfficeClearview (Simcoe County)
Ontario. Members of Provincial Parliament, Simcoe North Riding - Orillia Office, Provincial Constituency Office - Jill Dunlop, Simcoe North RidingOrillia
Ontario. Members of Provincial Parliament, Simcoe-Grey Riding - Alliston Office, Provincial Constituency Office - Brian Saunderson, Simcoe-Grey Riding - Alliston OfficeNew Tecumseth
Ontario. Members of Provincial Parliament, York-Simcoe Riding, Provincial Constituency Office - Caroline MulroneyEast Gwillimbury
Ontario. Ministry for Seniors and AccessibilityToronto
Ontario. Ministry of Children, Community and Social ServicesBarrie
Ontario. Ministry of Children, Community and Social Services, Barrie - 34 Simcoe St, Ontario Disability Support Program - Employment Support ProgramBarrie
Ontario. Ministry of Children, Community and Social Services, Barrie - Bayfield St, Youth Justice DivisionBarrie
Ontario. Ministry of Children, Community and Social Services, Barrie - Ferris Lane, Passport ProgramBarrie
Ontario. Ministry of Children, Community and Social Services, Collingwood, Youth Justice DivisionCollingwood
Ontario. Ministry of Children, Community and Social Services, Huronia Regional Centre Record InformationToronto
Ontario. Ministry of Children, Community and Social Services, Newmarket Office, Special Services at Home and Assistance for Children with Severe DisabilitiesNewmarket
Ontario. Ministry of Children, Community and Social Services, Ontario Autism ProgramToronto
Ontario. Ministry of Children, Community and Social Services, Ontario Child Benefit, Mailing address 
Ontario. Ministry of Children, Community and Social Services, Ontario Disability Support Program, Barrie - 34 Simcoe StBarrie
Ontario. Ministry of Children, Community and Social Services, Orillia, Youth Justice DivisionOrillia
Ontario. Ministry of Children, Community and Social Services, Post Adoption Disclosure UnitToronto
Ontario. Ministry of Children, Community and Social Services. Family Responsibility OfficeToronto
Ontario. Ministry of Children, Community and Social Services. Support Services for Male Survivors of Sexual Abuse ProgramToronto
Ontario. Ministry of Children, Community and Social Services. Victim Support LineToronto
Ontario. Ministry of Community and Social Services, Employment and Training Start Up Benefit, OrilliaOrillia
Ontario. Ministry of Community and Social Services, Employment Supports, OrilliaOrillia
Ontario. Ministry of Community and Social Services, Accessibility for Ontarians with Disabilities Act, Online/Web ServiceOntario
Ontario. Ministry of Economic Development and Growth, Simcoe Muskoka OfficeSpringwater
Ontario. Ministry of Education, Central East Region, Education Catch Up PaymentsToronto
Ontario. Ministry of Education, Central East Region, Child Care Quality Assurance and LicensingToronto
Ontario. Ministry of Environment, Conservation and ParksBarrie
Ontario. Ministry of Environment, Conservation and Parks, Aurora District Office, Holland Marsh Provincial Wildlife Management AreaBradford West Gwillimbury
Ontario. Ministry of Environment, Conservation and Parks, Awenda Provincial Park, Ontario Parks - Awenda Provincial ParkPenetanguishene
Ontario. Ministry of Environment, Conservation and Parks, Barrie OfficeBarrie
Ontario. Ministry of Environment, Conservation and Parks, Copeland Forest, Midhurst (Huronia) District OfficeSpringwater
Ontario. Ministry of Environment, Conservation and Parks, Midhurst District Office, Midhurst (Huronia) District OfficeSpringwater
Ontario. Ministry of Environment, Conservation and Parks, Oro-Medonte, Ontario Parks - Bass Lake Provincial ParkOrillia
Ontario. Ministry of Environment, Conservation and Parks, Parry Sound District Office, Southern RegionParry Sound
Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support CentrePeterborough
Ontario. Ministry of Environment, Conservation and Parks, Port Severn, Ontario Parks - Six Mile Lake Provincial ParkPort Severn
Ontario. Ministry of Finance., Oshawa, Retail Sales TaxOshawa
Ontario. Ministry of Government and Consumer Services. Consumer Protection OntarioToronto
Ontario. Ministry of Health, Public Health CareToronto Downtown Central
Ontario. Ministry of Health, Trillium Drug ProgramEtobicoke
Ontario. Ministry of Health, Health Care ConnectToronto Downtown Central
Ontario. Ministry of Health, Health811Toronto Downtown Central
Ontario. Ministry of Health, Ontario's Fertility ProgramToronto Downtown Central
Ontario. Ministry of Health, Sexual Health Infoline OntarioToronto Downtown
Ontario. Ministry of Health, Smoking Cessation ProgramToronto Downtown Central
Ontario. Ministry of Health, Toronto - 5700 Yonge St, Assistive Devices ProgramNorth York Central
Ontario. Ministry of Health, Toronto - 5700 Yonge St, Home Oxygen TherapyNorth York Central
Ontario. Ministry of Health, Toronto - 5700 Yonge St, Ontario Public Drug ProgramsEtobicoke
Ontario. Ministry of Health, Ontario Health Insurance PlanToronto Downtown Central
Ontario. Ministry of Health, Toronto - University Avenue, Dental Care For Low-Income SeniorsToronto
Ontario. Ministry of Labour, Immigration, Training and Skills Development, Barrie Regional Office, Apprenticeship OfficeBarrie
Ontario. Ministry of Labour, Immigration, Training and Skills Development, Employment Ontario Contact CentreToronto
Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices BranchToronto
Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices Branch, Central Region West, Newmarket, Ontario. Ministry of Labour, Immigration, Training and Skills Development. Employment Practices Branch, Central Region West, NewmarketNewmarket
Ontario. Ministry of Long-Term Care, Long-Term Care Family Support and Action LineToronto Downtown Central
Ontario. Ministry of Long-Term Care, Reports on Long-Term Care HomesToronto Downtown Central
Ontario. Ministry of Municipal Affairs and Housing. Rental Housing Enforcement UnitToronto
Ontario. Ministry of Northern Development, Mines, Natural Resources and Forestry, Southern Region - PeterboroughPeterborough
Ontario. Ministry of Northern Development, Mines, Natural Resources and Forestry, Summer Jobs For Students and Internships, No physical addressPeterborough
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Enforcement and Finance - Sheriff's OfficeBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Estates AdministrationBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Jury LineBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Superior Court of Justice - Civil Filing OfficeBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Superior Court of Justice - Family CourtBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Office 301, Superior Court of Justice - Small Claims CourtBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Room 303, Family Law Information CentreBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Room 313, Manager of Court Operations OfficeBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Room 412, Superior Court of Justice - Trial Coordinators OfficeBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St - Room 501, Ontario Court of Justice - Criminal CourtBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St 5th Floor, Crown AttorneyBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St 5th Floor, Justice of the Peace - Criminal MattersBarrie
Ontario. Ministry of the Attorney General, Barrie - Mulcaster St 5th Floor, Victim / Witness Assistance ProgramBarrie
Ontario. Ministry of the Attorney General, Orillia Satellite Court, Ontario and Superior Court of JusticeOrillia
Ontario. Ministry of the Attorney General, Toronto, Office for Victims of CrimeToronto Downtown
Ontario. Ministry of the Attorney General. Justice OntarioToronto
Ontario. Ministry of the Attorney General. Office of the Children's LawyerToronto
Ontario. Ministry of the Attorney General. Office of the Public Guardian and TrusteeToronto
Ontario. Ministry of the Attorney General. Public Guardian and Trustee, Capacity Assessment OfficeToronto Downtown
Ontario. Ministry of the Environment, Conservation and Parks, Spills Action CentreToronto
Ontario. Ministry of the Solicitor General, Alliston Office, Probation and Parole Services, Alliston OfficeNew Tecumseth
Ontario. Ministry of the Solicitor General, Collingwood, Probation and Parole ServicesCollingwood
Ontario. Ministry of the Solicitor General, Midland, Probation and Parole Services, MidlandMidland
Ontario. Ministry of the Solicitor General, Orillia, Probation and Parole Office, OrilliaOrillia
Ontario. Ministry of the Solicitor General, Penetanguishene, Central North Correctional CentrePenetanguishene
Ontario. Ministry of Tourism, Culture and Sport, Barrie, Ontario Travel Information CentreBarrie
Ontario. Ministry of Tourism, Culture and Sport, Midhurst Office, Grants Administration and Community DevelopmentSpringwater
Ontario. Ministry of Tourism, Culture and Sport, Midhurst Office, Tourism Regional OfficeSpringwater
Ontario. Ministry of Tourism, Culture and Sport, TorontoToronto
Ontario. Ministry of Transportation, Barrie - Commerce Park Dr, Central Region - International Registration PlanBarrie
Ontario. Ministry of Transportation, Barrie - No physical address, Senior Driver's Licence Renewal ProgramBarrie
Ontario. Office of the Worker Adviser, Scarborough Office, Ontario. Office of the Worker Adviser, Scarborough OfficeToronto
Open Arms Early Childhood Centre, Barrie, Child Care ProgramBarrie
Operation Christmas Child, OrilliaOrillia
Operation Christmas Child, Simcoe WestBarrie
Operation Christmas Child, Wasaga BeachWasaga Beach
Operation Ukrainian Safe Haven, Simcoe CountySimcoe County
Operational Stress Injury Social Support Services, Central Ontario RegionToronto
OPP Youth Foundation, Youth Foundation, No physical addressOrillia
Optimist Club of Barrie, Optimist Beginner Golf LeagueBarrie
Order of The Eastern Star - Manson J. Bradley Chapter, #240, Chapter # 240 - Midland, Order of The Eastern StarMidland
Orillia & District Arts Council, Cretive Nomad StudiosOrillia
Orillia & District Horseshoe ClubOrillia
Orillia Aero ModelersGravenhurst
Orillia Alliance ChurchOrillia
Orillia Amateur Radio Club (The), Rotary PlaceOrillia
Orillia and Area Good Food Box, TheOrillia
Orillia and Area Physician Recruitment and Retention CommitteeOrillia
Orillia and District Agricultural Society, SevernSevern
Orillia and District Camera Club, Orillia Rotary PlaceOrillia
Orillia and District Literacy Council, Literacy and Basic Skills, OrilliaOrillia
Orillia and District Literacy Council, OrilliaOrillia
Orillia and District Men's Dart LeagueOrillia
Orillia and Lake Country TourismOrillia
Orillia Badminton ClubOrillia
Orillia Ball Hockey Club, Orillia Ball Hockey LeagueOrillia
Orillia Business Womens AssociationOrillia
Orillia Central Preschool, Brechin - Ramara Rd, Before and after school careRamara
Orillia Central Preschool, North - Laclie St, North - Infant, Toddlers and Preschoolers ProgramsOrillia
Orillia Central Preschool, Orchard Park - Calverley St, Before and after school careOrillia
Orillia Central Preschool, Orchard Park - Calverley St, Orchard Park - Infant, Toddler, Preschool and School Age ProgramsOrillia
Orillia Central Preschool, South - Oxford St, Before and after school careOrillia
Orillia Central Preschool, South - Oxford St, South - Infant, Toddlers and Preschoolers ProgramsOrillia
Orillia Channel Cats Swim ClubOrillia
Orillia Christian SchoolOrillia
Orillia Community Gardens, Orillia - High St, High Street Park Community GardenOrillia
Orillia Community Gardens, Orillia - Regent St, Regent Park United Church Hillside Community GardenOrillia
Orillia Community Gardens, Orillia Public Library, Orillia Seed LibraryOrillia
Orillia Community Nonprofit Housing CorporationOrillia
Orillia Concert AssociationOrillia
Orillia Concert BandOrillia
Orillia Curling ClubOrillia
Orillia Depression Anxiety and Manic Depression Self Help GroupSevern
Orillia District Snowmobile ClubOrillia
Orillia Duplicate Bridge ClubOrillia
Orillia Fairgrounds Farmers' MarketOrillia
Orillia Family Health Organization, Orillia, After Hours ClinicOrillia
Orillia Fertility AssociatesOrillia
Orillia Figure Skating ClubOrillia
Orillia Fine Arts AssociationOrillia
Orillia First AidOrillia
Orillia Fish and Game Conservation ClubOrillia
Orillia Folk SocietyOrillia
Orillia Foot Clinic and Wellness CentreOrillia
Orillia Horticultural SocietyOrillia
Orillia Ladies Hockey LeagueOrillia
Orillia Ladies Soccer LeagueOrillia
Orillia Law AssociationOrillia
Orillia Lawn Bowling ClubOrillia
Orillia Lions ClubOrillia
Orillia Men's and Ladies Slo-PitchOrillia
Orillia Minor Hockey AssociationOrillia
Orillia Minor Lacrosse AssociationOrillia
Orillia Museum of Art and History (The)Orillia
Orillia Music CentreOrillia
Orillia Native Women's GroupOrillia
Orillia Naturalists ClubOrillia
Orillia Opera HouseOrillia
Orillia Overnight Warming CentreOrillia
Orillia Paediatric Teaching AssociatesOrillia
Orillia Pregnancy Resource Centre, Home With A Heart and Nurturing Fathers, OrilliaOrillia
Orillia Pregnancy Resource Centre, OrilliaOrillia
Orillia Public Library, Book Store, OrilliaOrillia
Orillia Public Library, Family Department, OrilliaOrillia
Orillia Public Library, Orillia, Coffee and ConnectOrillia
Orillia Public Library, Orillia, General Services and OutreachOrillia
Orillia Public Library, Orillia, Onsite Human Service CoordinatorOrillia
Orillia Quilter's GuildOrillia
Orillia Rowing ClubOrillia
Orillia Silver BandOrillia
Orillia Soldiers' Memorial Hospital, Barrie - EarlyON Child and Family Centre, After Baby GroupBarrie
Orillia Soldiers' Memorial Hospital, Birthing Preparation Program, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Borden, After Baby GroupEssa
Orillia Soldiers' Memorial Hospital, Bracebridge, After Baby GroupBracebridge
Orillia Soldiers' Memorial Hospital, Cardiovascular Rehabilitation Program, Orillia - 170 Colborne St W - Cardiovascular Rehabilitation ProgramOrillia
Orillia Soldiers' Memorial Hospital, Children's Therapy Services, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Collingwood, After Baby GroupCollingwood
Orillia Soldiers' Memorial Hospital, Emergency Department, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Midland - EarlyON Child and Family Centre, After Baby GroupMidland
Orillia Soldiers' Memorial Hospital, North Simcoe Muskoka Regional Genetics Program, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Oncology and Blood Transfusion Adult Outpatient Clinic, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Ontario Breast Screening Program, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Orillia - 170 Colborne St W - Eleanor Johnson Wing, Community Mental Health ServiceOrillia
Orillia Soldiers' Memorial Hospital, Orillia - 25 Museum Dr, Couchiching Health at HomeOrillia
Orillia Soldiers' Memorial Hospital, Orillia - 25 Museum Dr, Suite 175, Adult Diabetes Education CentreOrillia
Orillia Soldiers' Memorial Hospital, Orillia - 80 Colborne St W - EarlyON Child and Family Centre, After Baby GroupOrillia
Orillia Soldiers' Memorial Hospital, Orillia - Kiwanis Building, Couchiching OHT Care ClinicOrillia
Orillia Soldiers' Memorial Hospital, Outpatient Physiotherapy, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Pediatric Diabetes Education Program, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Regional Domestic Violence Treatment Centre, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Regional Kidney Care Program Simcoe Muskoka at OSMH - Meals Made Easy, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Rehab Day Hospital, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Sexual Assault Treatment Centre, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Simcoe Regional Kidney Care Program, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Speech Language Pathology, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital, Volunteer Resources, Orillia - 170 Colborne St WOrillia
Orillia Soldiers' Memorial Hospital FoundationOrillia
Orillia Suns Volleyball ClubOrillia
Orillia Taxi ServiceRamara
Orillia Tennis ClubOrillia
Orillia TodayOrillia
Orillia Vocal EnsembleOrillia
Orillia Women Newcomers Club, Orillia Women's Newcomers ClubOrillia
Orillia X-Ray and UltrasoundOrillia
Orillia Youth Basketball AssociationOrillia
Orillia Youth CentreOrillia
Orillia, City of, Economic, Business Development and Communication Office, Orillia - Andrew StOrillia
Orillia, City of, Orillia Wheelchair Limousine ServiceOrillia
Orillia, City of, No physical address, Rest Stations for Extreme Weather ReliefOrillia
Orillia, City of, Orillia - 433 Gill St, Brian Orser ArenaOrillia
Orillia, City of, Orillia - 500 Gill St, Fire DepartmentOrillia
Orillia, City of, Orillia - Andrew St, Animal Control and LicensingOrillia
Orillia, City of, Orillia - Andrew St, Environmental Services and OperationsOrillia
Orillia, City of, Orillia - Andrew St, Municipal OfficeOrillia
Orillia, City of, Orillia - Andrew St, Recreation and Youth Services DivisionOrillia
Orillia, City of, Orillia - Brammer Drive, Orillia TransitOrillia
Orillia, City of, Orillia - Kitchener St, Environment and Infrastructure Services DepartmentOrillia
Orillia, City of, Senior Recreation, Seniors At Play ProgramOrillia
Orillia's Little Big BandOrillia
Oro Agricultural SocietyOro-Medonte
Oro District Lions ClubOro-Medonte
Oro Minor Hockey AssociationOro-Medonte
Oro Station PlayschoolOro-Medonte
Oro-Medonte Horticultural SocietyOro-Medonte
Oro-Medonte Minor Ball AssociationOro-Medonte
Oro-Medonte Minor SoccerOro-Medonte
Oro-Medonte Tennis ClubOro-Medonte
Oro-Medonte Township, Headquarters / Station 3- Horseshoe Valley, Fire & Emergency ServicesOro-Medonte
Oro-Medonte Township, No physical address, Rest Stations for Extreme Weather ReliefOro-Medonte
Oro-Medonte Township, Oro-Medonte - Line 4, Arena & Community Banquet HallOro-Medonte
Oro-Medonte Township, Oro-Medonte - Line 7 S, Municipal OfficeOro-Medonte
Orr Lake Ratepayers Association 
Oscar's Place Rehabilitation & Wellness Centre for ChildrenCollingwood
Osteoporosis Canada [Central East], Simcoe Muskoka - Mailing Address, Simcoe Muskoka ChapterClearview (Simcoe County)
Our Town Food BankTottenham
Ovarian Cancer CanadaToronto Downtown
Overall Independence, Mailing AddressBarrie
Overeaters Anonymous, Collingwood, Collingwood Support GroupCollingwood
Overeaters Anonymous, Mailing Address, Central Ontario Intergroup 
Overeaters Anonymous, St Paul's Center Orillia OA Group, Living in RecoveryOrillia
Owen Hill Care Community, Barrie, Long Term Care HomeBarrie
Oxfam CanadaOttawa
Oxford College, Bayfield MallBarrie