| Fairview Glen Montessori School, Licensed Child Care Centre | Burlington |
| Fairview Pharmacy, Pharmacy Services | Burlington |
| Faith Baptist Church | Oakville |
| Faith Christian Reformed Church | Burlington |
| Families for Addiction Recovery, Peer Support Services | Scarborough |
| Family Place (The), Milton - Bishop Reding High School, Licensed Child Care Centre | Milton |
| Family Place (The), Oakville - Heritage Glen Elementary School, Licensed Child Care Centre | Oakville |
| Family Service Ontario, Services and resources | Ontario |
| Family Services of Peel, Abuse Prevention, Mississauga | Mississauga |
| Family Services of Peel, Support Services for Male Survivors of Sexual Abuse | Mississauga |
| Fare Share Food Bank Oakville | Oakville |
| Farley Foundation | Milton |
| Farms, Markets and Christmas Tree Farms, Halton Region | Halton Region |
| FASlink Fetal Alcohol Disorders Society | Sarnia |
| FedDev Ontario Small Business Services, Small Business Services | Toronto |
| Federated Women's Institutes of Ontario, Wellington-Halton District | Stoney Creek |
| Federated Women's Institutes of Ontario, Dublin Women's Institute | Milton |
| Federated Women's Institutes of Ontario, Silver-Wood Women's Institute | Georgetown |
| Federated Women's Institutes of Ontario, Norval Women's Institute | Halton Hills |
| Federated Women's Institutes of Ontario, Ashgrove Women's Institute | Georgetown |
| Federation of Rental Housing Providers of Ontario, Rental Housing Provider Support | Toronto |
| Feed Halton, Food Collection and Storage | Burlington |
| Feed Ontario, Online/Telephone Service | Ontario |
| Fellowship Church | Burlington |
| Fem'aide : Francophone helpline for women affected by violence | Ontario |
| Fern Hill School, Burlington Campus | Burlington |
| Fern Hill School, Oakville Campus | Oakville |
| Fern Hill School, Burlington Campus, Licensed Child Care Centre | Burlington |
| Fern Hill School, Oakville Campus, Licensed Child Care Centre | Oakville |
| Field and Stream Rescue Team | Burlington |
| Financial Services Regulatory Authority of Ontario, Toronto | Toronto |
| Find a Service Club Listings, Toronto - Online Service | Toronto |
| Fine Arts Society of Milton | Milton |
| Finnegan School of Irish Dance | Milton |
| Firm Foundation Childrens Learning Centre, Licensed Child Care Centre | Milton |
| First Class Home Care, In Home Care Services | Oakville |
| First Nations and Inuit Hope for Wellness Helpline, Mental Health Helpline and On-line Chat Counselling Services | Ontario |
| First Nations University of Canada | Regina |
| First Steps Learning & Child Care Centre, Licensed Child Care Centre | Burlington |
| First Work, Provincial Network | Toronto |
| First Years Montessori, Licensed Child Care Centre | Burlington |
| FirstLight Home Care of Halton, In Home Care Services | Oakville |
| Focus on Nature, Halton Branch - Mailing Address | Oakville |
| Food Basics Pharmacy, Pharmacy Services | Burlington |
| Food Basics Pharmacy, Oakville, Pharmacy Services | Oakville |
| Food for Life, Food Collection and Distribution | Burlington |
| Food for Life, Mountainside Market | Burlington |
| Food for Life, Milton - Country Heritage Park, Tremaine Market | Milton |
| Food4Kids Halton, Halton South | Burlington |
| Food4Kids Halton, Halton North | Halton Hills |
| Footsations, Mobile Foot Care | Meadowvale |
| For You Telecare Family Service, Counselling, Support and Outreach Programs | Toronto |
| Force Soccer Academy | Burlington |
| Forest Grove Preschool, Licensed Child Care Centre | Oakville |
| Forestview Church Without Walls | Oakville |
| Forestview Church Without Walls, Next Door Social Space | Burlington |
| Fortinos - Loblaw Pharmacy, Oakville - Lakeshore Rd W, Pharmacy Services | Oakville |
| Fortinos - Loblaw Pharmacy, Oakville - Dundas St W, Pharmacy Services | Oakville |
| Fortino's DRUGStore Pharmacy, Burlington - Plains Rd E, Pharmacy Services | Burlington |
| Fortinos Loblaw Pharmacy, Burlington - Appleby Line, Pharmacy Services | Burlington |
| Fortinos Loblaw Pharmacy, Burlington - Guelph Line, Pharmacy Services | Burlington |
| Fortinos Loblaw Pharmacy, Burlington - New St, Pharmacy Services | Burlington |
| Foxfield Stable Riding Center, Therapeutic Riding | Milton |
| FrancoQueer | Toronto |
| Freecycle Network | Halton Region |
| Freedom Centre International | Oakville |
| FreshCo Pharmacy, Georgetown - Guelph St, Pharmacy Services | Halton Hills |
| Freshwater Conservation Canada - Greg Clark Chapter, Environmental Improvement Group | Halton Region |
| Friends of Bronte Creek Park | Oakville |
| Friends of the Earth Canada, Ottawa, Friends of the Earth | Ottawa |
| Friends of the Old Seed House Garden, Showcase Garden | Georgetown |
| Friendship Bench (The) | Oakville |
| Friendship Force, Friendship Force Greater Hamilton and Burlington | Waterdown |
| Friendship Luncheon, Oakville | Oakville |
| Front Line Outreach | Oakville |
| Full-Service Gas Stations, Burlington | Burlington |
| Full-Service Gas Stations, Oakville | Oakville |
| Funeral Advisory and Memorial Society | Toronto |
| Fung Loy Kok-Taoist Tai Chi, Burlington | Burlington |
| Fung Loy Kok-Taoist Tai Chi, Oakville | Oakville |
| Futurpreneur Canada, Toronto, Mentorship and Loan programs | Toronto |
