| Organization Name(s) | Located In |
| La Leche League Canada | Sault Ste Marie |
| La Leche League Canada | Thunder Bay |
| La Leche League Canada | Dryden |
| La Leche League Canada | Emo |
| Labelle, Dr Eric, Surgeon | Timmins |
| Labour Market Group (The) | North Bay |
| Lacey's Taxi Ltd | Thunder Bay |
| Lady Dunn Health Centre | Wawa |
| Lady Dunn Health Centre, Dubreuilville Nursing Clinic | Dubreuilville |
| Lady Dunn Health Centre, Long Term Care Facility | Wawa |
| Lady Dunn Health Centre, North Algoma Counselling Services | Wawa |
| Lady Isabelle Nursing Home Ltd, Home Program | Powassan |
| Lady Minto Hospital | Cochrane |
| Lady Minto Hospital, Diabetes Education Program | Cochrane |
| Lady Minto Hospital, Laboratory | Cochrane |
| Lady Minto Hospital, Villa Minto | Cochrane |
| Laird. Township of | Echo Bay |
| Lake of the Woods Business Incentive Corporation, Employment Centre | Kenora |
| Lake of The Woods District Hospital | Kenora |
| Lake of the Woods District Hospital, Community Programs | Kenora |
| Lake of the Woods District Hospital, Community Programs, Aboriginal Services, Native Healer Coordination | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora, Adult and Youth Addictions Programs | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora, Early Childhood Development Program | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora, Gambling Program | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora, Medically Enhancement Coordinated Care for Addictions Program | Kenora |
| Lake of the Woods District Hospital, Community Programs, Addictions Services Kenora, Morningstar Detox Centre | Kenora |
| Lake of the Woods District Hospital, Community Programs, Adult Mental Health Services | Kenora |
| Lake of the Woods District Hospital, Community Programs, Challenge Club Day Treatment Program | Kenora |
| Lake of the Woods District Hospital, Community Programs, Mental Health Services, Community Counselling | Kenora |
| Lake of the Woods District Hospital, Community Programs, Mental Health Services, Post Custody Enhancement Program | Kenora |
| Lake of The Woods District Hospital, Dialysis Unit | Kenora |
| Lake of the Woods District Hospital, Sexual Assault, Partner Abuse and Safe Kids Programs | Kenora |
| Lake of the Woods Employment Action Project Inc | Kenora |
| Lake of the Woods Employment Action Project Inc, Ontario Employment Services | Kenora |
| Lake Superior Coin Club | Thunder Bay |
| Lake Superior Figure Skating Club | Sault Ste Marie |
| Lake Superior First Nations Development Trust | Thunder Bay |
| Lake Superior Tridents Diving Club | Sault Ste Marie |
| Lakehead Aeromodellers | Thunder Bay |
| Lakehead Amateur Radio Club Inc | Thunder Bay |
| Lakehead Antique Car Club | Thunder Bay |
| Lakehead Archers | Thunder Bay |
| Lakehead Baptist Church | Thunder Bay |
| Lakehead Choral Group | Thunder Bay |
| Lakehead Council of Home and School Associations | Thunder Bay |
| Lakehead District School Board | Thunder Bay |
| Lakehead District School Board, Lakehead Adult Education Centre | Thunder Bay |
| Lakehead District School Board, Mothers in Search of Learning Program | Thunder Bay |
| Lakehead District School Board, Single Adolescent Mothers Program | Thunder Bay |
| Lakehead District School Board, Special Education Advisory Committee | Thunder Bay |
| Lakehead District School Board, Special Needs Program | Thunder Bay |
| Lakehead District School Board, Storefront, Lakehead Alternative Programs | Thunder Bay |
| Lakehead District Square and Round Dancing Association | Thunder Bay |
| Lakehead Elementary Teachers of Ontario | Thunder Bay |
| Lakehead Employment Services, Ontario Employment Services | Thunder Bay |
| Lakehead Festival of Music and Arts | Thunder Bay |
| Lakehead Fundraising Association | Thunder Bay |
| Lakehead Grandmothers for Africa | Thunder Bay |
| Lakehead Infertility Awareness Association | Thunder Bay |
| Lakehead Kennel Club Inc | Thunder Bay |
| Lakehead Leaners Horseshoe Club | Thunder Bay |
| Lakehead Light Horse Association Inc | Thunder Bay |
| Lakehead Nurse Practitioner-Led Clinic | Thunder Bay |
| Lakehead Power and Sail Squadron | Thunder Bay |
| Lakehead Psychological Services, Dr Brockwell and Associates | Thunder Bay |
| Lakehead Radio Control Race Car Club | Thunder Bay |
| Lakehead Region Conservation Authority | Thunder Bay |
| Lakehead Rural Planning Board (The) | Murillo |
| Lakehead Search and Rescue Unit | Thunder Bay |
| Lakehead Shrine Club | Thunder Bay |
| Lakehead Shriners Ladies Club | Thunder Bay |
| Lakehead Social Planning Council | Thunder Bay |
| Lakehead Social Planning Council, Community Information and Referral Centre | Thunder Bay |
| Lakehead Stamp Club, Chapter 33 | Thunder Bay |
| Lakehead Unitarian Fellowship | Thunder Bay |
| Lakehead University | Thunder Bay |
| Lakehead University, Alumni Relations | Thunder Bay |
| Lakehead University, Centre for Education and Research on Aging and Health | Thunder Bay |
| Lakehead University, Faculty of Health and Behavioural Science, School of Social Work | Thunder Bay |
| Lakehead University, Financial Aid Office | Thunder Bay |
| Lakehead University, Food Bank | Thunder Bay |
| Lakehead University, Gender Issues Centre | Thunder Bay |
| Lakehead University, Indigenous Learning | Thunder Bay |
| Lakehead University, Music and Visual Arts | Thunder Bay |
| Lakehead University, Northern Ontario School of Medicine | Thunder Bay |
| Lakehead University, Office of Continuing Education and Distributed Learning | Thunder Bay |
| Lakehead University, Pride Central | Thunder Bay |
| Lakehead University, Residence and Conference Services | Thunder Bay |
| Lakehead University, School of Nursing | Thunder Bay |
| Lakehead University, Small Business Consulting Services | Thunder Bay |
| Lakehead University, Student Health and Counselling Centre | Thunder Bay |
| Lakehead University, Student Union | Thunder Bay |
| Lakehead University and Mcmaster University, Northern Studies Stream Program | Thunder Bay |
| Lakehead Visual Arts | Thunder Bay |
| Lakeview Presbyterian Church | Thunder Bay |
| Lambert Dental Group | Kapuskasing |
| Landon's Place | Sudbury |
| Lansdowne House Nursing Station | Neskantaga |
| Lappe Lutheran Church | Thunder Bay |
| Larch Street Kids Child Care Centre Inc | Sudbury |
| Larchwood Memorial United Church | Dowling |
| Larose, Manon, Homeopathic Medicine | Sudbury |
| Lasalle Audiology Clinic | Sudbury |
| Lasalle Residence | Sudbury |
| Last Post Fund, Ontario Branch | Toronto |
| Laurentian Child and Family Centre | Sudbury |
| Laurentian University | Sudbury |
| Laurentian University, Physical Education Centre | Sudbury |
| LaVerendrye Non Profit Supportive Housing Corporation | Fort Frances |
| Law Society of Upper Canada, Complaints Department | Toronto |
| Law Society of Upper Canada, Lawyer Referral Service | Toronto |
| Le Carrefour des Mots, Alphabétisation et formation de base | Dubreuilville |
| Le Carrefour Francophone de Sudbury | Sudbury |
| Le Foyer Des Ainés Francophones de Timmins Inc | Timmins |
| Leadership Thunder Bay | Thunder Bay |
| Learning Centre (The), Literacy and Basic Skills | Sioux Lookout |
| Learning Disabilities Association, Thunder Bay Chapter | Thunder Bay |
| Learning Disabilities Association of Sault Ste. Marie | Sault Ste Marie |
| Leavens, D, Physiotherapist | Cochrane |
| Leblanc, Dr Bruno, Optometrist | Kapuskasing |
| Legal Aid Ontario | Sault Ste Marie |
| Legal Aid Ontario | Thunder Bay |
| Legal Aid Ontario | Kenora |
| Legal Aid Ontario, Family Law Office | Thunder Bay |
| Legal Aid Ontario, Frood Road Site | Sudbury |
| Legal Line | Toronto |
| Leisureworld Caregiving Center | North Bay |
| Les Maisons Coopérative Des Pins Gris Inc | Timmins |
| Levack Pharmacy Inc | Levack |
| Life Alert | Sault Ste Marie |
| LifeCall | Mississauga |
| LifeLabs | Sudbury |
| Lifeline Hearst | Hearst |
| Light Haven Home Incorporated | Bruce Mines |
| Lighthouse Non Profit Homes Inc | Sudbury |
| Lioness Club | Sault Ste Marie |
| Lions Club | Richards Landing |
| Lions Club | Bruce Mines |
| Lions Club | Elliot Lake |
| Lions Club, Metro | Thunder Bay |
| Lions Club, Thunder Bay | Thunder Bay |
| Listening Centre (The) | Thunder Bay |
| Literacy Network Northeast | Timmins |
| Literacy Northwest | Thunder Bay |
| Litt, James/Jason, Chiropractic Services | Timmins |
| Little Current Guardian Pharmacy | Little Current |
| Little Current Medical Associates | Little Current |
| Little Myrtle's Daycare Centre | Thunder Bay |
| Lively Baptist Church | Lively |
| Lively Medical Centre | Lively |
| Lively Pharmacy | Lively |
| Lively Physiotherapy | Lively |
| Local Services Board, Upsala | Upsala |
| Lord's Kitchen Society Inc (The) | Timmins |
| Love Dean, Chiropractic Care | Sault Ste Marie |
| Loyal Order of Moose, Fort William, Lodge 844 | Thunder Bay |
| Loyal Order of Moose, Lodge 947 | Thunder Bay |
| Loyal Order of the Moose Family Center 535 | Sault Ste Marie |
| Loyal Order of the Moose Lodge, Women of the Moose | Sault Ste Marie |
| Lung Association (The) | Timmins |
| Lung Association (The) | Sudbury |
| Lung Association (The) | Sault Ste Marie |
| Lupus Ontario | Sault Ste Marie |
| Lutheran Community Care Centre | Thunder Bay |
| Lutheran Community Care Centre, Community Support Services | Thunder Bay |
| Lutheran Community Care Centre, Social Services Program | Thunder Bay |
| Lutheran Community Care Centre, Transitional Support Services | Thunder Bay |
| Lutheran Community Housing Corporation | Thunder Bay |
| Lynch, Dr Brian, Physician | Sudbury |
| Lyrette Opticians | Elliot Lake |
| Lyrette Opticians | Blind River |
| Lyrette Opticians | Chelmsford |
