| | Organization Name(s) | Located In |
 | Call Before You Dig, Ontario One Call | Guelph |
| Calvary Church | St Catharines |
| Calvary Church, Calvary Student Ministries | St Catharines |
| Calvary Church, Summer Camps | St Catharines |
| Calvary Gospel Church, Beamsville | Beamsville |
| Calvary Seniors Non-Profit Housing Corp, Meadowgreen Manor | St Catharines |
| Camberwell Stables, Summer Day Camp | St Catharines |
| Canada, Office of the Prime Minister | Ottawa |
| | Canada Border Services Agency, Border Information Service (BIS) | Canada |
| | Canada Border Services Agency, CANPASS, Private Boats | Niagara Falls |
| Canada Border Services Agency, Fort Erie (Peace Bridge) | Fort Erie |
| | Canada Border Services Agency, NEXUS Program | Niagara Falls |
| Canada Border Services Agency, Niagara Falls Rainbow Bridge | Niagara Falls |
| Canada Border Services Agency, Niagara Falls Whirlpool Bridge | Niagara Falls |
| Canada Border Services Agency, Queenston Lewiston Bridge | Queenston |
| | Canada Business Ontario | Toronto (City of) |
| | Canada Council for the Arts | Ottawa |
| | Canada Family Action Niagara | Jordan |
| | Canada Post Corporation | Niagara Region |
| Canada Revenue Agency, St Catharines Tax Services Office | St Catharines |
| Canada Savings Bonds | Ottawa |
| Canada World Youth | Montreal |
| Canada. Aboriginal Affairs and Northern Development Canada, Ontario Regional Office | Toronto (City of) |
| Canada. Aboriginal Affairs and Northern Development Canada, Public Enquiries Contact Centre | Gatineau |
| Canada. Canada Mortgage and Housing Corporation | Hamilton Central |
| Canada. Canadian Food Inspection Agency, Niagara District Office | St Catharines |
| Canada. Department of Foreign Affairs and International Trade, Enquiries Service | Ottawa |
| | Canada. Environment Canada, Home Energy Incentives and Rebates | Ontario |
| | Canada. Environment Canada, Weatheroffice | Fredericton |
| Canada. Health Canada, Health Products and Foods Branch, Inspectorate, Medical Devices Operational Centres, Medical Devices Hotline | Toronto (City of) |
| Canada. Health Canada, Pest Management Regulatory Agency, Pest Management Information Service | Ottawa |
| | Canada. Human Resources and Skills Development Canada, Youth Employment Strategy | Quebec |
| Canada. Industry Canada, Bankruptcy / Insolvency Branch | Hamilton Central |
| Canada. Industry Canada, Canadian Intellectual Property Office | Gatineau |
| | Canada. Industry Canada, Competition Bureau, Information Centre | Gatineau |
| Canada. Industry Canada, Measurement Canada, Weights and Measures Devices Inspection, Central District Office | Stoney Creek |
| Canada. Industry Canada, Spectrum Management, Central and Western Ontario District | Burlington |
| Canada. Members of Parliament, Leader of Her Majesty's Official Opposition, Leader of the New Democratic Party of Canada, Outremont Federal Riding, Thomas Mulcair, MP | Ottawa |
| Canada. Members of Parliament, Niagara Falls Federal Riding, Hon Rob Nicholson, MP, Fort Erie Office | Fort Erie |
| Canada. Members of Parliament, Niagara Falls Federal Riding, Hon Rob Nicholson, MP, Niagara Falls Office | Niagara Falls |
| Canada. Members of Parliament, Niagara West - Glanbrook Federal Riding, Dean Allison, MP | Beamsville |
| Canada. Members of Parliament, St Catharines Federal Riding, Rick Dykstra, MP | St Catharines |
| Canada. Members of Parliament, Welland Federal Riding, Malcolm Allen, MP, Port Colborne Office | Port Colborne |
| Canada. Members of Parliament, Welland Federal Riding, Malcolm Allen, MP, Thorold Office | Thorold |
| | Canada. Members of Parliament, Welland Federal Riding, Malcolm Allen, MP, Welland Office | Welland |
| | Canada. Members of Parliament, Cabinet Ministers, 2012 | Ottawa |
| | Canada. Ministry of Fisheries and Oceans, Canadian Coast Guard, Coast Guard Vessel Cape Storm, Rescue and Environmental Response | Port Weller |
| Canada. National Defence, Canadian Forces Personnel Support Agency, Family Information Line | Ottawa (City of) |
| | Canada. National Defence, Joint Rescue Coordination Centre (JRCC), Canadian Forces and Canadian Coast Guard, Marine and Air Search and Rescue | Trenton |
| | Canada. National Defence, Royal Canadian Army Cadet Corps, 1626 West Lincoln | Grimsby |
| Canada. National Defence, Royal Canadian Army Cadet Corps, 2835 Niagara Falls | Niagara Falls |
| Canada. National Defence, Royal Canadian Army Cadet Corps, 68 Lincoln and Welland Regiment, St Catharines | St Catharines |
| Canada. Parks Canada, Fort George National Historic Site | Niagara-on-the-Lake |
| Canada. Passport Canada, Passport Office, St Catharines | St Catharines |
| Canada. Public Service Commission, Staffing and Assessment Services | Toronto (City of) |
| Canada. Public Works and Government Services Canada, Crown Assets Distribution Centre, Ontario Region | Toronto |
| Canada. Public Works and Government Services Canada, Public Service Pension Centre (PSPC) | New Brunswick |
| | Canada. Royal Canadian Mounted Police, Canadian Anti Fraud Centre | North Bay |
| | Canada. Royal Canadian Mounted Police, Canadian Firearms Program | Ottawa |
| | Canada. Service Canada, Canada Pension Plan, Scarborough Area Office | Scarborough |
| Canada. Service Canada, Citizenship and Immigration Canada, Niagara Falls Immigration Centre and Court of Canadian Citizenship | Niagara Falls |
| | Canada. Service Canada, Citizenship and Immigration Canada, Permanent Resident Card | Nova Scotia |
| | Canada. Service Canada, Employment Insurance | Canada |
| Canada. Service Canada, Niagara Falls Service Centre | Niagara Falls |
| | Canada. Service Canada, Old Age Security Programs, Scarborough Area Office | Scarborough |
| | Canada. Service Canada, Social Insurance Numbers | Canada |
| Canada. Service Canada, St Catharines Service Centre | St Catharines |
| Canada. Service Canada, Welland Service Centre | Welland |
| Canada. Solicitor General, Correctional Service of Canada, St Catharines Area Parole Office | St Catharines |
| Canada. Solicitor General of Canada, Royal Canadian Mounted Police, Hamilton / Niagara Regional Detachment | Stoney Creek |
| Canada. Transport Canada, Marine Safety | St Catharines |
| Canada. Transport Canada, Marine Safety, Office of Boating Safety | Ottawa |
| | Canadian Association for Music Therapy | Toronto |
| | Canadian Authors Association, Niagara Branch | St Catharines |
| Canadian Blood Services | St Catharines |
| Canadian Breast Cancer Foundation, Ontario Region | Toronto (City of) |
| Canadian Broadcasting Corporation CBC, CBC/Radio-Canada, Ontario Region, English Services | Toronto (City of) |
| Canadian Calorie Counters, Niagara Falls | Niagara Falls |
| Canadian Cancer Society, Cancer Information Service | Hamilton Mountain Central |
| Canadian Cancer Society, Hamilton Unit, Peer Support Programs | Hamilton Mountain East |
| Canadian Cancer Society, Niagara Community Office | St Catharines |
| Canadian Cancer Society, Niagara Unit, Support Group | St Catharines |
| | Canadian Cancer Society, Smokers' Helpline | Hamilton (City of) |
| | Canadian Celiac Association, St Catharines Chapter | St Catharines |
| Canadian Centre for Victims of Torture | Toronto (City of) |
| Canadian College of Naturopathic Medicine | Toronto (City of) |
| Canadian Corps, Unit 104 | Niagara Falls |
| | Canadian Cuban Friendship Association Niagara | St Catharines |
| Canadian Diabetes Association, Central South Ontario Regional Leadership Centre, Clothesline Program | Hamilton West |
| | Canadian Diabetes Association, Niagara Region | St Catharines |
| | Canadian Diabetes Association, Niagara Region, Diabetes: First Steps | St Catharines |
| | Canadian Federation of University Women, Niagara Falls | Niagara Falls |
| | Canadian Federation of University Women, St Catharines | St Catharines |
| | Canadian Federation of University Women, Welland and District | Welland |
| Canadian Forces, Canadian Forces Recruiting Centre | St Catharines |
| Canadian Foundation for the Study of Infant Deaths | St Catharines |
| Canadian Hearing Society, Niagara Area Office | St Catharines |
| Canadian Hemophilia Society, Hemophilia Ontario, Toronto and Central Regions | Toronto (City of) |
| Canadian Henley Rowing Corporation, Royal Canadian Henley Regatta | St Catharines |
| Canadian Heritage, State Ceremonial and Corporate Events Directorate | Gatineau |
| | Canadian Information and Networking Services, CanadaInfoNet | Canada |
| Canadian Innovation Centre, Waterloo | Waterloo |
| Canadian Maid | St Catharines |
| Canadian Marketing Association | Toronto (City of) |
| Canadian Medicalert Foundation | Toronto (City of) |
| Canadian Mental Health Association Niagara Branch, Administration | St Catharines |
| Canadian Mental Health Association Niagara Branch, Community Crisis Care/Safe Bed Program | St Catharines |
| Canadian Mental Health Association Niagara Branch, Fort Erie Satellite Office | Fort Erie |
| Canadian Mental Health Association Niagara Branch, Mental Health Homelessness Initiative, Phase II Housing | St Catharines |
| Canadian Mental Health Association Niagara Branch, Renewed Employment Access Link, REAL Work Employment Development Program, Niagara Falls | Niagara Falls |
| Canadian Mental Health Association Niagara Branch, Renewed Employment Access Link, REAL Work Employment Development Program, St Catharines | St Catharines |
| Canadian Mental Health Association Niagara Branch, Renewed Employment Access Link, REAL Work Employment Development Program, Welland | Welland |
| Canadian Mental Health Association Niagara Branch, Renewed Employment Access Link, REAL Work Employment Development Program, Fort Erie | Fort Erie |
| Canadian Mental Health Association Niagara Branch, Residential/Community Support Program | St Catharines |
| Canadian Mental Health Association Niagara Branch, Resource Centre, Niagara Falls | Niagara Falls |
| Canadian Mental Health Association Niagara Branch, Resource Centre, Niagara Falls, Urgent Support Services | Niagara Falls |
| Canadian Mental Health Association Niagara Branch, Resource Centre, St Catharines | St Catharines |
| Canadian Mental Health Association Niagara Branch, Resource Centre, St Catharines, Urgent Support Services | St Catharines |
| Canadian Organization For Development Through Education (CODE) | Ottawa |
| | Canadian Parents Without Partners Incorporated, New Dawn - Hamilton Chapter 73 | Hamilton |
| Canadian Polish Society, St Catharines | St Catharines |
| | Canadian Racing Pigeon Association, Welland | Welland |
| Canadian Radio-Television and Telecommunications Commission | Gatineau |
| | Canadian Radio-Television and Telecommunications Commission, National Do Not Call List | Ottawa (City of) |
| | Canadian Railroad Historical Association, Niagara Division | St Catharines |
| Canadian Red Cross Society (The), Niagara Area Branches | St Catharines |
| Canadian Telecommunications Consultants Association | St David's |
| Canadian Toy Testing Council | Ottawa |
| Canadian Union of Public Employees, Local 1263, Welland | Welland |
| Canadian Union of Public Employees, Local 1287, Thorold | St Catharines |
| | Canadian Union of Public Employees, Local 133, Niagara Falls | Niagara Falls |
| Canadian Wildlife Federation | Kanata |
| Canal View Homes | Welland |
| CAPC Niagara Brighter Futures | Welland |
| CARE Canada, Corporate Headquarters | Ottawa |
| CARE Centre for Internationally Educated Nurses | Hamilton Central |
| Cari Cottages, Wellness Retreat | Crystal Beach |
| | Caring Friends | Niagara Falls |
| Carlton Heights Medical Clinic - Unit 16, Dr Ravindran | St Catharines |
| Carlton Medical Clinic - Unit 8, Dr Oladipo | St Catharines |
| Carmelite Sisters, Mount Carmel Home | St Catharines |
| Carousel Players | St Catharines |
| Carousel Players, Theatre School and Camps | St Catharines |
| | Carpet Bowling | Niagara-on-the-Lake |
| Carroll's Bowling Lanes, Carroll's Kids Bowling League | Fort Erie |
| Casa El Norte | Fort Erie |
| Catalyst Life Coaching & Counselling | St Catharines |
| Catechist Sisters of the Sacred Heart Childrens Day Care | Thorold |
| Cathedral of St Catherine of Alexandria Roman Catholic Church | St Catharines |
| Cathedral of St Catherine of Alexandria Roman Catholic Church, Organ Recitals | St Catharines |
| Cavendish Manor Retirement Living | Niagara Falls |
| CBI Home Health | St Catharines |
| CBI Physiotherapy and Rehabilitation Centre | Niagara Falls |
| Celebrate Old Downtown | Niagara Falls |
| Centauri Summer Arts Camp | Wellandport |
| Central Community Church | St Catharines |
| Central Taxi, Transportation for People with Disabilities | St Catharines |
| Central United Church, Welland | Welland |
| Centre de Santé Communautaire Hamilton/Niagara | Welland |
| Centre de Santé Communautaire Hamilton/Niagara, Services for Families with Young Children, Coin des familles | Welland |
| | Centre for Addiction and Mental Health, Back On Track - Ontario's Remedial Measures Program for Impaired Drivers | Toronto (City of) |
| Centre for Addiction and Mental Health, Information Desk | Toronto (City of) |
| Centre for Equality Rights in Accommodation (The) | Toronto (City of) |
| CERF Niagara | Welland |
| CERF Niagara, Welland, Ontario Employment Services | Welland |
| | CESO Niagara Club | St Catharines |
| Chabad Lubavitch Jewish Discovery Center | St Catharines |
| Chabad Lubavitch Jewish Discovery Center, Noah's Line | St Catharines |
| Chamber of Commerce Niagara Falls | Niagara Falls |
| | Chapel Singers | St Catharines |
| | Charlene Quevillon Holistic Therapies and Pre & Postnatal Services | Niagara-on-the-Lake |
| Chateau Gardens Niagara, Long Term Care Centre | Niagara-on-the-Lake |
| Cheer Empire Allstars | Niagara Falls |
| Chez Marie Refugee Assistance Centre | St Catharines |
| Child Advocacy Centre Niagara | St Catharines |
| Child and Family Counselling - CAFC, Niagara Falls | Niagara Falls |
| Child and Family Counselling - CAFC, St Catharines | St Catharines |
| Child Find Ontario | Toronto |
| | Childrens Mental Health Network | Welland |
| Children's Wish Foundation of Canada, The, Ontario Chapter | Ajax |
| | Chinese Cultural Association of Regional Niagara | St Catharines |
| Chinmaya Mission Niagara | Niagara Falls |
| Chippawa OHA Junior 'C' Hockey Club | Niagara Falls |
| Chippawa Place Retirement Home | Niagara Falls |
| Chippawa Presbyterian Church | Niagara Falls |
| | Chippawa Volunteer Firefighters Association | Niagara Falls |
| Chippawa Volunteer Firefighters Association, Ladies' Auxiliary | Niagara Falls |
| | Choralis Camerata | St Catharines |
| | Chorus Niagara | St Catharines |
| Christ Anglican Church, Wainfleet | Wainfleet |
| Christ Church Anglican, Niagara Falls | Niagara Falls |
| Christ Church Anglican, McNab | Niagara-on-the-Lake |
| Christ Community Church | Welland |
| Christ Community Church, Seven C's Christian Child Care Centre | Welland |
| Christ Lutheran Church | St Catharines |
| Christ Lutheran Church, SOUL Program | St Catharines |
| Christian Benefit Shop | St Catharines |
| | Christian Heritage Party of Canada | Ottawa |
| Christian Horizons, Horizon House Niagara 1 | Welland |
| Christian Horizons, Horizon House Niagara 2 | St Catharines |
| Christian Horizons, Horizon House Niagara 3 | Port Colborne |
| Christian Life Assembly | Port Colborne |
| Christianview Fellowship and Recreation Centre, Mission and Youth Drop-In | Port Colborne |
| | Christmas Dinners for the Niagara Region 2012 | Niagara Region |
| | Christmas Programs for Greater Fort Erie | Fort Erie |
| | Christmas Programs for Niagara Falls | Niagara Falls |
| | Christmas Programs for Niagara-On-The-Lake, St David's, Queenston, All Areas East of Read Rd | Niagara-on-the-Lake |
| | Christmas Programs for Pelham, Includes Fonthill, Fenwick, Ridgeville, Effingham and North Pelham | Pelham |
| | Christmas Programs for Port Colborne and Wainfleet Area | Port Colborne |
| | Christmas Programs for St Catharines, Thorold, and Thorold South | St Catharines |
| | Christmas Programs for Town of Grimsby | Grimsby |
| | Christmas Programs for Town of Lincoln | Lincoln |
| | Christmas Programs for Welland | Welland |
| | Christmas Programs for West Lincoln | West Lincoln |
| | Christopher Leadership Course In Effective Speaking | Hamilton (City of) |
| | Chronic Pain Association of Canada, Niagara Chapter Support Group | St Catharines |
| Church in St Catharines, The | St Catharines |
| Church of Christ, Fenwick | Fenwick |
| Church of Christ, Jordan/Vineland | Jordan |
| Church of Christ, Niagara Falls | Niagara Falls |
| Church of Christ, St Catharines | St Catharines |
| Church of Christ, Tintern | Vineland |
| Church of Jesus Christ of Latter Day Saints | St Catharines |
| Church of the Good Shepherd, The | St Catharines |
| | City of Niagara Falls Non-Profit Housing Corporation | Niagara Falls |
| City of Welland, Welland Transit | Welland |
| City of Welland, WellTrans | Welland |
| Civil Air Rescue Emergency Service | Niagara-on-the-Lake |
| Climate Action Niagara | St Catharines |
| Club Alouette, Service d'Entraide | Niagara Falls |
| Club at White Oaks, The, Summer Camps and Programs 2012 | Niagara-on-the-Lake |
| Club Capri | Thorold |
| | Club Champlain | Welland |
| | Club Cultural Latin Americano | St Catharines |
| Club Heidelberg | St Catharines |
| Club Heidelberg, Heidelberg Village | St Catharines |
| Club Italia | Niagara Falls |
| | Club Italia, Ladies' Auxiliary | Niagara Falls |
| Club La Salle | St Catharines |
| Club Richelieu, St Catharines | St Catharines |
| Club Richelieu, Welland | Welland |
| Club Roma (St Catharines) Inc | St Catharines |
| Club Social | Welland |
| | Club Sourire | Niagara Falls |
| CNIB, Hamilton/Niagara, CNIB Niagara | St Catharines |
| | Coalition to End Violence Against Women | Niagara Falls |
| Cobblestone Gardens Retirement Residence | Thorold |
| Cognitive Behavioural Therapy Centre of Niagara (CBT Niagara), Susan Chudzik-Sipos, Registered Psychological Associate | St Catharines |
| College of Audiologists and Speech-Language Pathologists of Ontario, CASLPO | Toronto (City of) |
| College of Massage Therapists of Ontario | Toronto (City of) |
| College of Physicians and Surgeons of Ontario | Toronto (City of) |
| Community Addiction Services of Niagara | St Catharines |
| Community Addiction Services of Niagara, Gambling Support Services | St Catharines |
| | Community Animal Allies of Niagara (CAAN), CatMobile | St Catharines |
| Community Care Access Centre (CCAC) - Hamilton Niagara Haldimand Brant (HNHB), Niagara Branch | St Catharines |
| Community Care of West Niagara | Beamsville |
| Community Care of West Niagara, Prior Attire | Beamsville |
| Community Care, St Catharines and Thorold, Housing Help Centre | St Catharines |
| Community Care, St Catharines and Thorold, Housing Help Centre, ID Clinic | St Catharines |
| Community Care, St Catharines and Thorold, St Catharines | St Catharines |
| Community Care, St Catharines and Thorold, Thorold | Thorold |
| Community House, Fort Erie North | Fort Erie |
| Community Information Hamilton | Hamilton |
| Community Legal Education Ontario | Toronto (City of) |
| Community Legal Services of Niagara South Inc, Welland | Welland |
| Community Living - Fort Erie, Accommodation Services | Fort Erie |
| Community Living - Fort Erie, Administration/Community Services | Fort Erie |
| Community Living - Fort Erie, Community Supports | Fort Erie |
| Community Living - Fort Erie, Family Support Services | Fort Erie |
| Community Living - Grimsby, Lincoln and West Lincoln, Administration/Community Services | Beamsville |
| Community Living - Grimsby, Lincoln and West Lincoln, Children's Weekend Respite Program | Beamsville |
| Community Living Port Colborne - Wainfleet, Administrative Office | Port Colborne |
| Community Living Port Colborne - Wainfleet, Family Support Program | Port Colborne |
| Community Living Port Colborne - Wainfleet, Residential Services | Port Colborne |
| Community Living Port Colborne - Wainfleet, Volunteer Program | Port Colborne |
| Community Living St Catharines, Administrative Offices | St Catharines |
| Community Living St Catharines, Adult Support Programs | St Catharines |
| Community Living St Catharines, Community Support Services - Children | St Catharines |
| Community Living St Catharines, St Catharines Preschool Services | St Catharines |
| Community Living St Catharines, Therapeutic Support Program | St Catharines |
| Community Living Welland Pelham | Welland |
| Community Living Welland Pelham, Children's Services | Welland |
| Community Living Welland Pelham, Employment Services | Welland |
| Community Living Welland Pelham, Family Support Services | Welland |
| Community Living Welland Pelham, Residential Alternatives | Welland |
| Community Living Welland Pelham, Welland Packaging | Welland |
| Community Outreach Program Erie (COPE) | Fort Erie |
| Community Support Services of Niagara, St Catharines Office | St Catharines |
| Community Support Services of Niagara, St Catharines Office, Safety at Home | St Catharines |
| Community Support Services of Niagara, Welland Office | Welland |
| Community Support Services of Niagara, West Niagara Office | Beamsville |
| | Compassionate Friends of Niagara, Niagara Region | St Catharines |
| Comprehensive Health Clinic, Medical Walk-in and Wound Clinic | St Catharines |
| Computers For Schools, Renewed Computer Technology, Niagara Refurbishment Centre | Niagara-on-the-Lake |
| | Concerned Friends | Toronto (City of) |
| Concession Wedding Chapel and Emmaus Christian Fellowship | Hamilton |
| Concordia Lutheran Church | Pelham |
| Concordia Lutheran Theological Seminary | St Catharines |
| Conmed, Maple Park Lodge | Fort Erie |
| | ConnexOntario Health Services Information, Drug and Alcohol Helpline | London |
| | ConnexOntario Health Services Information, Mental Health Helpline | London |
| | ConnexOntario Health Services Information, Ontario Problem Gambling Helpline | London |
| Conseil scolaire de district catholique Centre-Sud | Toronto (City of) |
| Conseil scolaire Viamonde | Welland |
| | Conservative Party of Canada, The, Niagara Falls Electoral District Association | Niagara Falls |
| | Conservative Party of Canada, The, St Catharines Electoral District Association | St Catharines |
| | Conservative Party of Canada, The, Welland Electoral District Association | Welland |
| Consumer/Survivor Initiative of Niagara | Welland |
| Contact Brant For Children's and Developmental Services | Brantford |
| Contact Niagara for Children's and Developmental Services | St Catharines |
| Contact North, St Catharines Centre | St Catharines |
| | Cooperative Homes in Beamsville, West Lincoln, Smithville | Lincoln |
| | Cooperative Homes in Niagara Falls | Niagara Falls |
| | Cooperative Homes in Port Colborne, Crystal Beach and Fort Erie | Port Colborne |
| | Cooperative Homes in St Catharines | St Catharines |
| | Cooperative Homes in Welland | Welland |
| Coronation 50 Plus Recreation Centre | Niagara Falls |
| Coronation 50 Plus Recreation Centre, Satellite Site - MacBain Community Centre | Niagara Falls |
| Country Children's Centre | Smithville |
| Covenant Christian Reformed Church | St Catharines |
| Covenant Christian Reformed Church, Senior Youth Group | St Catharines |
| | Creative Counselling, Creative strength-based approaches for children, adolescents, and adults | St Catharines |
| Credit Counselling of Regional Niagara | St Catharines |
| Credit Counselling of Regional Niagara, Rent Bank | St Catharines |
| Credit Counselling of Regional Niagara, Satellite Office - Grimsby | Grimsby |
| Credit Counselling of Regional Niagara, Satellite Office - Niagara Falls | Niagara Falls |
| Credit Counselling of Regional Niagara, Satellite Office - Welland | Welland |
| Crescent Park Lodge | Fort Erie |
| | Crime Stoppers of Niagara | St Catharines |
| Criminal Injuries Compensation Board | Toronto (City of) |
| | Crohn's and Colitis Foundation of Canada, Niagara Chapter | St Catharines |
| Crossroads International | Toronto (City of) |
| Crystal Beach Childcare Inc | Crystal Beach |
| Crystal Ridge Skating Club | Ridgeway |
| CSA Group, Central Region | Toronto (City of) |
| | Cuts on the Run | Welland |
| | Cystic Fibrosis Canada, Niagara Chapter | Niagara Falls |
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