| Serge Imbrogno | Deputy Minister | $509,731.28 | $548,678.40 | 2024 |
| Alison Pilla | Assistant Deputy Minister, Environmental Policy Division | $264,513.06 | $264,811.22 | 2024 |
| Jonathan Lebi | Deputy Minister | $260,126.64 | $260,426.12 | 2024 |
| Alexander Wood | Assistant Deputy Minister, Climate Change and Resiliency Division | $243,090.06 | $243,388.22 | 2024 |
| Chloe Tl Stuart | Assistant Deputy Minister, Land and Water Division | $213,517.52 | $213,774.06 | 2024 |
| Orna Salamon | Assistant Deputy Minister, Environmental Sciences and Standards | $210,424.52 | $210,682.62 | 2024 |
| Lisa Trevisan | Assistant Deputy Minister, Environmental Assessment and Permissions Division | $203,195.74 | $203,425.52 | 2024 |
| Jason Travers | Director, Ontario Parks | $200,771.81 | $201,008.56 | 2024 |
| Jacques Legris | Director, Strategic Human Resources | $200,290.31 | $200,527.06 | 2024 |
| Charles O'Hara | Director, Resource Recovery Policy Branch | $191,944.26 | $192,170.84 | 2024 |
| Steven Carrasco | Assistant Deputy Minister, Drinking Water and Environmental Compliance Division | $191,507.60 | $191,743.00 | 2024 |
| Joseph Odumeru | Director, Laboratory Services | $189,220.77 | $189,457.52 | 2024 |
| Jing Tao | Assistant Deputy Minister, Corporate Management | $187,011.70 | $187,241.54 | 2024 |
| Kathleen O'Neill Carter | Director, Environmental Assessment | $183,902.44 | $184,132.60 | 2024 |
| Charlotte Beckett | Director, Ontario Parks Growth and Partnerships | $179,684.69 | $179,895.46 | 2024 |
| Heather Malcolmson | Director, Client Service and Permissions Branch | $176,802.72 | $177,024.19 | 2024 |
| Lubna Hussain | Director, West Central Region | $174,352.95 | $174,558.78 | 2024 |
| Michael Stickings | Director, Strategic Policy Partnerships Branch | $170,447.29 | $170,660.36 | 2024 |
| Annamaria Cross | Director, Environmental Assessment Modernization Project | $168,697.32 | $168,897.12 | 2024 |
| Robyn Kurtes | Director, Environmental Policy Branch | $167,811.89 | $168,021.58 | 2024 |
| Peter Taylor | Director, Eastern Region | $167,235.38 | $167,432.88 | 2024 |
| Thomas Norman North | Director, Adaptation and Resilience | $166,595.66 | $166,804.64 | 2024 |
| Kirsten Service | Director, Conservation and Source Protection Branch | $166,315.42 | $166,511.69 | 2024 |
| Susan Ecclestone | Director, Caribou Conservation | $166,144.70 | $166,349.04 | 2024 |
| Leo Luong | Director, Great Lakes and Inland Waters Branch | $165,879.12 | $166,075.42 | 2024 |
| Julie Schroeder | Director, Technical Assessment and Standards Development Branch | $165,495.44 | $165,702.57 | 2024 |
| Travis Coulter | Director, Species at Risk | $159,954.40 | $160,153.36 | 2024 |
| Maria Edwards | Director, Business and Fiscal Planning | $159,853.40 | $160,042.00 | 2024 |
| Hilary Gignac | Manager, Landscape Species Recovery | $158,333.39 | $158,514.32 | 2024 |
| Patrick Fancott | Director, Climate Change Policy Branch | $158,286.16 | $158,484.64 | 2024 |
| Indra Prashad | Director, Spills Action Centre | $156,689.95 | $156,894.22 | 2024 |
| Osvalda Silva | Director, Emergency Management Program and Corporate Projects | $155,867.29 | $156,062.52 | 2024 |
| Sheri Beaton | Director, Environmental Economics Branch | $155,140.53 | $155,335.00 | 2024 |
| Carly Steinman | Director, Climate Change Programs and Partnerships | $154,958.22 | $155,152.57 | 2024 |
| Ian Greason | Manager, Special Projects | $154,753.17 | $154,925.85 | 2024 |
| Daniel Ryan Mcdonald | Director, Air Policy and Programs Branch | $154,610.80 | $154,804.71 | 2024 |
| Melissa Evers | Director, Divisional Compliance Branch | $153,749.50 | $153,941.26 | 2024 |
| Bahar Aminvaziri | Director, Environmental Permissions | $153,604.86 | $153,786.76 | 2024 |
| Rachael Fletcher | Director, Central Region | $153,552.10 | $153,744.50 | 2024 |
| David Harth | Executive Assistant, Deputy Minister's Office | $153,101.25 | $153,291.02 | 2024 |
| Chris Lompart | Manager, Land Use Policy | $152,704.32 | $152,887.09 | 2024 |
| Trevor Dagilis | Manager, Strategic Compliance Initiatives | $152,447.12 | $152,628.69 | 2024 |
| Timothy Fletcher | Manager, Water Standards | $152,147.89 | $152,330.66 | 2024 |
| Janet Mills | Manager, Customer and Business Services | $152,147.88 | $152,330.65 | 2024 |
| Kevin Leveque | Parks Zone Manager | $152,147.88 | $152,330.65 | 2024 |
| Tina Dufresne | District Manager, Halton/Peel | $152,093.88 | $152,276.65 | 2024 |
| Greg Wake | Manager, Park Operations and Development Section | $152,027.88 | $152,210.65 | 2024 |
| Richard Cayley | Director, Financial Instruments Branch | $151,970.03 | $152,162.63 | 2024 |
| Adrienne Boden | Issues Project Coordinator | $150,985.85 | $151,235.51 | 2024 |
| Marija Komljanec | Manager, Divisional Training Section | $150,652.88 | $150,835.65 | 2024 |