| Organization Name(s) | Located In |
| Gagné Carolyn, Chiropractic Services | Sault Ste Marie |
| Gajda Denture Clinic | Thunder Bay |
| Galerie du Nouvel Ontario | Sudbury |
| Gamblers Anonymous, Thunder Bay Chapter | Thunder Bay |
| Garden River First Nation | Garden River |
| Garden River First Nation, Miijim Gaamig Food Bank | Garden River |
| Garden River First Nation, Public Library | Garden River |
| Garden River First Nation, Wellness Centre | Garden River |
| Gateway Physiotherapy Centre | North Bay |
| Geka Wigwam | Cutler |
| Geka Wigwam, Meals on Wheels | Cutler |
| Genesis Housing Cooperative Corporation | Timmins |
| Gentlemen of Harmony | Thunder Bay |
| GEODE | Sudbury |
| George Jeffrey Children's Centre | Thunder Bay |
| George Jeffrey Children's Centre, Community Day Care | Thunder Bay |
| Georgian Bay Lodge | Parry Sound |
| Geraldton District Hospital | Geraldton |
| Geraldton Family Resource Centre | Geraldton |
| Gezhtoojig Employment and Training | Sudbury |
| Gezhtoojig Employment and Training, Ontario Employment Services | Sudbury |
| Gideons, Thunder Bay Chapter | Thunder Bay |
| Giigdo Win Speech and Language Services | Wikwemikong |
| Gilles Lecours Dental Clinic | Hearst |
| Gingerbread House | Thunder Bay |
| Ginoogaming Aboriginal Head Start | Longlac |
| Girard, Nancy, Physiotherapist | Hearst |
| Girl Guides of Canada, Ontario Council, Thunder Bay and Region | Thunder Bay |
| Gizhewaadiziwin Health Access Centre | Fort Frances |
| Glad Tidings Pentecostal Church | Cochrane |
| Goddard, Lisa, Occupational Therapist | New Liskeard |
| Gogama Roman Catholic Separate School Board | Gogama |
| Gold Wing Road Riders Association, Chapter H Knight Wings | Sault Ste Marie |
| Golden Age Club | Smooth Rock Falls |
| Golden Years Retirement Home Inc | Val Caron |
| Goldridge Cooperative Homes | Timmins |
| Gore Bay Medical Centre | Gore Bay |
| Goulais Area Recreation Committee | Goulais River |
| Grace Evangelical Free Church | Thunder Bay |
| Grace Haven Community Care Centre | Dryden |
| Grace Ministries, Grace Place | Thunder Bay |
| Grace Remus Child Care Centre | Thunder Bay |
| Grandview Recreational Hockey Association | Thunder Bay |
| Grassroots Church | Thunder Bay |
| Great Northern Chiropractic | Sault Ste Marie |
| Great Northern Nursing Centre | Sault Ste Marie |
| Great Northern Retirement Home | Sault Ste Marie |
| Greater Sudbury Housing Corporation | Sudbury |
| Greater Sudbury Police Service | Sudbury |
| Greater Sudbury. City of, Community Development Corporation | Sudbury |
| Greenstone Economic Development Corporation | Geraldton |
| Greenstone Family Health Team | Geraldton |
| Greenstone Harvest Centre, Food Bank | Geraldton |
| Greenstone Public Library Network | Nakina |
| Greenstone Public Library Network | Geraldton |
| Greenstone Public Library Network | Beardmore |
| Greenstone Public Library Network | Longlac |
| Greenstone Victim Services | Geraldton |
| Greenstone. Municipality of | Geraldton |
| Greer, Robin, Dietitian Services | Chapleau |
| Group Health Centre | Sault Ste Marie |
| Group Health Centre, Algoma Diabetes Education and Care Program | Sault Ste Marie |
| Group Health Centre, HIV/AIDS Resource Program | Sault Ste Marie |
| Group Health Centre, Industrial Rehabilitation Program | Sault Ste Marie |
| Group Health Centre, Pharmacy | Sault Ste Marie |
| Group Health Centre, Vision and Eye Care | Sault Ste Marie |
| Guardian Angel Seniors Home Healthcare | Hanmer |
| Guardian Health Care Pharmacy | Sudbury |
| Guerin, Dr Herve, Dentist | Hearst |
| Guiding Light Food Bank | Sudbury |
| Guindon, Dr Thierry, Optometrist | Hearst |
| Gyro Club, Fort William | Thunder Bay |
| Gyro Club, Nor West | Thunder Bay |
| Gyro Club, Port Arthur Branch | Thunder Bay |
