United Way Centraide Canada would like to acknowledge the following corporations, public sector partners, labour organizations and their employees or members for their outstanding support. Their gift of $1,000,000 or more to United Way Centraides in 2020 is helping to improve lives and build strong communities across Canada.
| 407 ETR | Amalgamated Transit Union (ATU) | Association of Management, Administrative and Professional Crown Employees | Bell |
| Blakes | BMO Financial Group | Brookfield | CAE |
| Canada Life | Canadian Federation of Nurses Union and its member organizations (CFNU) | Canadian Labour Congress (CLC) | Canadian Natural Resources Limited |
| Canadian Office and Professional Employees Union (COPE) | Canadian Tire Corporation, Limited | Canadian Union of Public Employees (CUPE) | Canso Investment Counsel Ltd. |
| CDPQ | CIBC | City of Toronto | City of Toronto Administrative, Professional and Supervisory Association Inc. |
| Costco Wholesale Canada Ltd. | Deloitte | Desjardins Group | Enbridge |
| Enbridge Gas Inc. | EY | Franco-Nevada Corporation | Government of Canada Workplace Charitable Campaign |
| Government of Québec | Hydro-Québec | iA Financial Group | Imperial |
| Intact Financial Corporation | International Association of Fire Fighters (IAFF) | International Association of Machinists and Aerospace Workers (IAM&AW) | International Brotherhood of Electrical Workers (IBEW) |
| James Richardson & Sons, Limited and Affiliated Companies | Johnston Group Inc. | KPMG | LCBO (Liquor Control Board of Ontario) |
| Magna International Inc. | Manulife | McCarthy Tétrault LLP | Metro |
| National Bank | National Bank Financial Markets | National Union of Public and General Employees and its component unions (NUPGE) | Ontario Public Service |
| Ontario Public Service Employees Union (OPSEU) | Osler, Hoskin & Harcourt LLP | PCL | Pembina Pipeline Corporation |
| Polar Asset Management Partners | Power Corporation of Canada | Pratt & Whitney Canada | Procter & Gamble |
| Public Service Alliance of Canada (PSAC) | PwC | RBC | Saputo |
| Scotiabank | Service Employees International Union (SEIU) | Shell Canada Limited | Stellantis |
| Sun Life | Syncrude | TD Bank Group | The Co-operators |
| The Professional Institute of the Public Service of Canada | Unifor Canada | UNITE HERE | United Food and Commercial Workers International Union (UFCW) |
| United Steelworkers (USW) | United Way Centraide | Ville de Montréal | Wawanesa Mutual Insurance Company |