| Facile: Independent Facilitation Perth, Facile Perth | Stratford |
| Fair Practices Commission | Toronto Downtown |
| Falstaff Family Centre | Stratford |
| Family & Elder, Community Work Place Mediation Services, No Physical Address, Family Mediation - Judith Denault | |
| Family Services Perth-Huron, Adult Protective Services, Stratford | Stratford |
| Family Services Perth-Huron, Listowel, Familyhome Program | North Perth |
| Family Services Perth-Huron, Stratford - Avondale United Church, Seniors Connection & Support Group | Stratford |
| Family Services Perth-Huron, Stratford - Rotary Respite House, Respite Program | Stratford |
| Family Services Perth-Huron, Stratford, Building Resiliency with Developmental Services Clients | Stratford |
| Family Services Perth-Huron, Stratford, Connecting Seniors | Stratford |
| Family Services Perth-Huron, Stratford, Counselling Services | Stratford |
| Family Services Perth-Huron, Stratford, Employee Assistance Program | Stratford |
| Family Services Perth-Huron, Stratford | Stratford |
| Family Services Perth-Huron, Stratford, Family Support - Case Management | Stratford |
| Family Services Perth-Huron, Stratford, Foundations Initiative | Stratford |
| Family Services Perth-Huron, Stratford, Special Services at Home | Stratford |
| Family Services Perth-Huron, Stratford, Violence Against Women Program | Stratford |
| Farm Credit Canada, Listowel Office | North Perth |
| Farm Credit Canada, Stratford Office | Stratford |
| Feline Friends Network, Mailing Address | Stratford |
| Fem'aide : Francophone helpline for women affected by violence | Ontario |
| Festival City Co-operative Homes | Stratford |
| Festival Hydro Inc. | Stratford |
| Festival School of Hairstyling | Stratford |
| Festival Sounds Chorus | Stratford |
| Firearm Safety Education Service of Ontario, Mailing Address | Orillia |
| First Line Security, Mailing Address | Brockton |
| Foodland, St Marys, Grocery Delivery | St Marys |
| Foodland, Stratford, Grocery Delivery | Stratford |
| Foodtown, Milverton, Grocery Delivery | Perth East |
| Foundation for Education Perth Huron, Foundation for Education | Huron East |
| Four County Labour Market Planning Board, Huron Perth, Stratford-Bruce Peninsula Economic Region Workforce Board | Brockton |
| Friendship Force of Stratford and St Marys | Stratford |
| Fullarton Minor Fastball | West Perth |
| Fung Loy Kok Institute of Taoism, Fung Loy Kok Taoist Tai Chi ®, Taoist Tai Chi ® | Stratford |