| K and J Pharmacy | Clinton |
| Kagita Mikam Aboriginal Employment and Training, Peterborough Office | Peterborough |
| Kaitlyn Bates Initiative | Cobourg |
| Kare Bear Support Services | Durham Region |
| Karma Connection Yoga, Huntsville | Huntsville |
| Katrine Community Centre | |
| Katt Baxter's Music Studio | Cobourg |
| Kawartha - Haliburton Crime Stoppers | Kawartha Lakes |
| Kawartha / Haliburton Victim Services, Kawartha/Haliburton Victim Services, Victim Services | Kawartha Lakes |
| Kawartha Ancestral Research Association Inc. | Peterborough |
| Kawartha Art Gallery | Kawartha Lakes |
| Kawartha Birth and Lactation | Buckhorn |
| Kawartha Cardiology Clinic | Peterborough |
| Kawartha Care Wellness Centre | Kawartha Lakes |
| Kawartha Choice FarmFresh | Kawartha Lakes |
| Kawartha Community Midwives, Stewart St | Peterborough |
| Kawartha Conservation | Lindsay |
| Kawartha Family Business Group | Peterborough |
| Kawartha Family Court Assessment Service | Peterborough |
| Kawartha Field Naturalists | Fenelon Falls |
| Kawartha Food Share | Peterborough |
| Kawartha Home & Health Care Services Inc | Peterborough |
| Kawartha Hooks and Needles Guild, No Physical Address | Peterborough |
| Kawartha Komets Special Needs Hockey Program | Peterborough (County of) |
| Kawartha Lakes Autism Support, Kennedy Place | Kawartha Lakes |
| Kawartha Lakes Centre of Hope | Kawartha Lakes |
| Kawartha Lakes Community Futures Development Corporation | Kawartha Lakes |
| Kawartha Lakes Food Coalition | Lindsay |
| Kawartha Lakes Food Source | Lindsay |
| Kawartha Lakes Haliburton Domestic Violence Coordinating Committee | Kawartha Lakes |
| Kawartha Lakes Health Care Initiative | Kawartha Lakes |
| Kawartha Lakes Paramedic Service, Kawartha Lake Paramedic Service, Headquarters | Kawartha Lakes |
| Kawartha Lakes Pregnancy Centre | Lindsay |
| Kawartha Lakes Public Library, Lindsay, Library Administration | Lindsay |
| Kawartha Lakes Public Library, Bethany, Bethany Branch | Bethany |
| Kawartha Lakes Public Library, Bobcaygeon, Bobcaygeon Branch | Bobcaygeon |
| Kawartha Lakes Public Library, Coboconk, Coboconk Branch | Coboconk |
| Kawartha Lakes Public Library, Dunsford, Dunsford Branch | Dunsford |
| Kawartha Lakes Public Library, Fenelon Falls, Fenelon Falls Branch | Fenelon Falls |
| Kawartha Lakes Public Library, Kinmount, Kinmount Branch | Kinmount |
| Kawartha Lakes Public Library, Kirkfield, Kirkfield Branch | Kirkfield |
| Kawartha Lakes Public Library, Lindsay, Lindsay Branch | Lindsay |
| Kawartha Lakes Public Library, Little Britain, Little Britain Branch | Little Britain |
| Kawartha Lakes Public Library, Norland, Norland Branch | Norland |
| Kawartha Lakes Public Library, Oakwood, Oakwood Branch | Oakwood |
| Kawartha Lakes Public Library, Omemee, Omemee Branch | Omemee |
| Kawartha Lakes Public Library, Sebright - Rumohr Dr, Dalton Branch | Sebright |
| Kawartha Lakes Public Library, Woodville, Woodville Branch | Woodville |
| Kawartha Lakes Small Business & Entrerpreneurship Centre | Kawartha Lakes |
| Kawartha Lakes Snowmobile Club | Kawartha Lakes |
| Kawartha Lakes Soccer Club, Kawartha Inferno | Kawartha Lakes |
| Kawartha Lakes Ultrasound and X-ray | Kawartha Lakes |
| Kawartha Land Trust | Peterborough |
| Kawartha Manufacturers' Association, Peterborough - George St | Peterborough |
| Kawartha Montessori School, Burnham Line, Casa (Preschool, JK, SK) | Otonabee-South Monaghan |
| Kawartha Montessori School, Burnham Line, Lower Elementary and Upper Elementary | Otonabee-South Monaghan |
| Kawartha Montessori School, Burnham Line, Middle School (Grade 7-8) | Otonabee-South Monaghan |
| Kawartha Nordic Ski Club | North Kawartha |
| Kawartha North Family Health Team, Bobcaygeon - East St S, Bobcaygeon Clinic | Kawartha Lakes |
| Kawartha North Family Health Team, Fenelon Falls - Colborne St, Fenelon Falls Clinic | Kawartha Lakes |
| Kawartha Participation Projects Foundation | Peterborough |
| Kawartha Pine Ridge District School Board, Peterborough - Fisher Dr, Education Centre | Peterborough |
| Kawartha Pine Ridge District School Board, Campbellford, Literacy and Basic Skills | Campbellford |
| Kawartha Pine Ridge District School Board, Cobourg - D'Arcy St, Centre for Individual Studies | Cobourg |
| Kawartha Pine Ridge District School Board, Cobourg - D'Arcy St, Centre for Individual Studies - Adult High School Diploma Program | Cobourg |
| Kawartha Pine Ridge District School Board, Cobourg - D'Arcy St, Centre for Individual Studies - Literacy and Basic Skills | Cobourg |
| Kawartha Pine Ridge District School Board, Peterborough - Fisher Dr, Ontario Youth Apprenticeship Program | Peterborough |
| Kawartha Pine Ridge District School Board, Peterborough - McDonnel St, Literacy and Basic Skills | Peterborough |
| Kawartha Pine Ridge District School Board, Peterborough - McDonnel St, Peterborough Alternative and Continuing Education Campus | Peterborough |
| Kawartha Potters Guild | Peterborough |
| Kawartha Rock and Fossil Club | Peterborough |
| Kawartha Settlers' Village | Kawartha Lakes |
| Kawartha Sexual Assault Centre | Peterborough |
| Kawartha Stamp Club | Peterborough |
| Kawartha Tai Chi Club, Peterborough | Peterborough |
| Kawartha Therapy Services | Peterborough |
| Kawartha Total Foot Care Centre | Kawartha Lakes |
| Kawartha Trent Synchro Club | Peterborough |
| Kawartha Village Co-op | Peterborough |
| Kawartha World Issues Centre | Peterborough |
| Kawartha World Issues Centre, Peterborough, TRACKS Youth Program | Peterborough |
| Kawartha Youth Orchestra, Rubidge St | Peterborough |
| Kawartha Youth Unlimited, The Bridge Youth Centre, Peterborough Youth Unlimited | Peterborough |
| Kawartha Youth Unlimited, Haliburton - Park St, Haliburton Highland Youth Unlimited | Haliburton County |
| Kawartha Youth Unlimited, Kawartha Lakes - Mailing Address, Kawartha Lakes | Kawartha Lakes |
| Kawartha Youth Unlimited, Lakefield - Hill St, Lakefield Youth Unlimited | Lakefield |
| Kawartha Youth Unlimited, Lakefield Income Tax Clinics | Lakefield |
| Kawartha-Haliburton Children's Aid Society | Peterborough |
| Kawartha-Haliburton Children's Aid Society, City of Kawartha Lakes, Kawartha-Haliburton Children's Aid Society, City of Kawartha Lakes | Kawartha Lakes |
| Kawartha-Haliburton Children's Aid Society, Haliburton | Haliburton |
| Kawartha-Haliburton Children's Aid Society, Peterborough, Kawartha-Haliburton Children's Aid Society, Peterborough | Peterborough |
| Kawartha-Haliburton Children's Foundation | Peterborough |
| Kayla House | Orillia |
| Kearney and Area Public Library | Kearney |
| Kearney Fire and Emergency Services | Kearney |
| Kearney. Municipal Office, Kearney Community Centre | Kearney |
| Kearney. Municipal Office | Kearney |
| Keating's Pharmacy | Seaforth |
| Keene Curling Club | Otonabee-South Monaghan |
| Keene Lions Club | Otonabee-South Monaghan |
| Keene Pumpkin Festival and Antique Car & Truck Show, Keene Pumpkin Festival and Car Show | Otonabee-South Monaghan |
| Kelly Shires Breast Cancer Foundation, Kelly Shires Breast Cancer Snow Run | Midland |
| Kempenfelt Bay Athletic Club, Wrestling Team | Barrie |
| Kempenfelt Bay School | Innisfil |
| Kempenfelt Bay Yacht Club | Barrie |
| Kempenfelt Community Players | Barrie |
| Kempenfelt Quilters Guild | Barrie |
| Ken Marek Lifegates Unlimited, Telephone Service | Barrie |
| Kerry's Place Autism Services, Durham Resource Centre, Durham Resource Centre | Oshawa |
| Keystone Child, Youth and Family Services, Birth to Senior Kindergarten Mental Health Program, Owen Sound - 3rd Ave W | Owen Sound |
| Keystone Child, Youth and Family Services, Counselling Program, Owen Sound - 3rd Ave W | Owen Sound |
| Keystone Child, Youth and Family Services, Keystone Prevention Programs, Owen Sound - 3rd Ave W | Owen Sound |
| Keystone Child, Youth and Family Services, Owen Sound - 3rd Ave W | Owen Sound |
| Keystone Child, Youth and Family Services, Unpublished, Live In Treatment Program | Owen Sound |
| KICX 106 FM. Orillia | Orillia |
| Kidney Foundation of Canada | Mississauga |
| Kidney Foundation of Canada, Barrie, Kidney Clothes Program | Barrie |
| Kids & Us Community Childcare and Family Education Centres, Markdale | Markdale |
| Kids & Us Community Childcare and Family Education Centres, Dundalk, Dundalk Kids & Us Community Childcare Centre | Dundalk |
| Kids & Us Community Childcare and Family Education Centres, Durham, Durham Kids & Us Community Childcare Program | Durham (Village of) |
| Kids & Us Community Childcare and Family Education Centres, Holstein, Holstein Kids & Us Community Childcare Program | Southgate |
| Kids & Us Community Childcare and Family Education Centres, Markdale, Markdale Kids & Us Community Childcare Program | Markdale |
| Kids & Us Community Childcare and Family Education Centres, Osprey, Osprey Kids & Us Community Childcare Program | Maxwell |
| Kids & Us Community Childcare and Family Education Centres, Paisley, Paisley Kids & Us Community Childcare Program | Paisley |
| Kid's Closet | Barrie |
| KIDS Co-op Nursery School | Kincardine |
| Kids First Inc. | Kawartha Lakes |
| Kids for Turtles Environmental Education, Invasive Species Pulls, Orillia | Orillia |
| Kids for Turtles Environmental Education, Orillia | Orillia |
| Kids Help Phone | Toronto |
| Kids Help Phone, Administrative Office, Crisis Text Line | Toronto |
| Kids Street Cooperative Nursery School | Saugeen Shores |
| Kimberley Hearing Centre | Bracebridge |
| Kin Canada, Clinton Kinsmen Hall, Clinton & District Kinsmen | Clinton |
| Kin Canada, Belgrave Community Hall, Kinsmen Club of Belgrave | North Huron |
| Kin Canada, Goderich Kinsmen Club | Goderich |
| Kin Canada, Hensall, Hensall and District Kinsmen Club | Hensall |
| Kin Canada, Listowel, Listowel Kinsmen Club | Listowel |
| Kin Canada, Mailing Address Only, Kinsmen Club of Monkton & District | Monkton |
| Kin Canada, Mailing Address Only, St Marys Kinsmen Club | St Marys |
| Kin Canada, Stratford, Stratford Kinsmen Club | Stratford |
| Kinark Child and Family Services, Barrie Office, Family, Individual, and Group Counselling | Barrie |
| Kinark Child and Family Services, Peterborough - Armour Rd | Peterborough |
| Kinark Child and Family Services, Barrie Office, Live-In Treatment | Barrie |
| Kinark Child and Family Services, Barrie Office, Simcoe County Child and Youth Crisis Services | Barrie |
| Kinark Child and Family Services, Barrie Office, SNAP - Stop Now And Plan program | Barrie |
| Kinark Child and Family Services, Cobourg, Cobourg Office | Cobourg |
| Kinark Child and Family Services, Kinark Outdoor Centre, Kinark Outdoor Center | Minden |
| Kinark Child and Family Services, Kinark Supervised Access Centre - Northumberland, Cobourg | Cobourg |
| Kinark Child and Family Services, Markham Office, School Support Program - Autism Spectrum Disorder | Markham |
| Kinark Child and Family Services, Midland Office, Family, Individual, and Group Counselling | Midland |
| Kinark Child and Family Services, Peterborough - Armour Rd, STRIVE | Peterborough |
| Kinark Child and Family Services, Youth Crisis Response Program, Cobourg | Cobourg |
| Kinark Child and Family Services, Kinark Supervised Access Centre, Peterborough - 380 Armour Rd, Supervised Access Centre | Peterborough |
| Kinark Child and Family Services. York Region, Ontario Autism Program - Single Point of Access, Markham Office | Markham |
| Kincardine Agricultural Society | Kincardine |
| Kincardine and Area Christmas Day Community Meal, Kincardine | Kincardine |
| Kincardine and District Ministerial Food Bank | Kincardine |
| Kincardine Area Community Services Association, Christmas Assistance | Kincardine |
| Kincardine Baptist Church | Kincardine |
| Kincardine Community Garden | Kincardine |
| Kincardine Community Medical Clinic | Kincardine |
| Kincardine Curling Club | Kincardine |
| Kincardine Dental Hygiene Clinic | Kincardine |
| Kincardine Family Health Team | Kincardine |
| Kincardine Lighthouse Museum | Kincardine |
| Kincardine Power and Sail Squadron | Kincardine |
| Kincardine Pride Inc, No Physical Address | Kincardine |
| Kincardine Theatre Guild, Kincardine Centre for the Arts | Kincardine |
| Kincardine Trails Association | Kincardine |
| Kincardine. Municipal Office, Community Emergency Management Coordinator, Kincardine Fire Station | Kincardine |
| Kincardine. Municipal Office, Kincardine - Concession 5 | Kincardine |
| Kincardine. Municipal Office, Kincardine Fire Station, Fire Department | Kincardine |
| Kinderschool, Kinderschool @ Mark St., Kinderschool @ Mark St | Peterborough |
| Kinderschool, Kinderschool @ St. Barnabas | Peterborough |
| Kinette Club of Wasaga Beach, The, Wasaga Beach and District | Wasaga Beach |
| King Edward Choir (Barrie) | Barrie |
| King Place Retirement Residence, King Place Retirement, King Place | Midland |
| King Place Retirement Residence, Respite Care Program, King Place Retirement | Midland |
| King's Wharf Theatre, Operated by Drayton Entertainment | Penetanguishene |
| Kinmount and Area Artisans Marketplace | Kinmount |
| Kinmount Playschool | Kinmount |
| Kinsmen Civic Centre | Peterborough |
| Kinsmen Club of Barrie, No Physical Address, K-40 Women | Barrie |
| Kinsmen Club of Barrie, K-40 Club | Barrie |
| Kinsmen Club of Lindsay, Lindsay, Annual Toy Drive | Lindsay |
| Kirkton Agricultural Society, Kirkton Fall Fair | West Perth |
| Kirkton Horticultural Society, Kirkton-Woodham Community Centre | West Perth |
| Kirkton Women's Institute, Kirkton - Mailing Address | Perth South |
| Kiwanis Club of Stratford, Burnside AgriPlex | Stratford |
| Kiwanis Festival of the Performing Arts | Stratford |
| Kiwanis International, Mailing Address, Kiwanis Club of Barrie | Barrie |
| KLH Housing Corp., Haliburton, Kawartha Lakes Haliburton Housing Corporation | Lindsay |
| Knights of Columbus, Barrie, Barrie Council 1626 | Barrie |
| Knights of Columbus, Goderich, Goderich Father Nagle Council 5420 | Goderich |
| Knights of Columbus, Stratford, Stratford Kilroy Council 1431 | Stratford |
| Knights of Columbus, Mitchell, Mitchell Monsignor T J McCarthy Council 9252 | Mitchell |
| Knights of Columbus, Listowel, Listowel Mary and Joseph Council 8168 | Listowel |
| Knights of Columbus, Barrie, Meeting Facilities, Banquet Hall | Barrie |
| Knights of Columbus, Bracebridge, Monsignor Michael O'Leary Council 9850 | Bracebridge |
| Knights of Columbus, Gravenhurst, Council 6861 | Gravenhurst |
| Knights of Columbus, Huntsville, Council 7851 | Huntsville |
| Knights of Columbus, Walkerton, Knights of Columbus, Walkerton | Brockton |
| Knights Of Columbus Hall, Trenton, Knights Of Columbus | Trenton |
| Knights of Columbus Huronia Council #1627, Penetanguishene | Penetanguishene |
| Knights of Huronia, Knight Haven Bowling Lanes, Conference & Banquet Hall, Meeting Facilities | Penetanguishene |
| Knitted Knockers of Canada, Barrie Drop Off Location | Barrie |
| Knollcrest Lodge | Milverton |
| Knollcrest Lodge, Community Outreach Services | Milverton |
| Knollcrest Lodge, Community Outreach Services - Foot Care Clinic | Milverton |
| Knollcrest Lodge, Community Outreach Services - Lifeline Emergency Response System | Milverton |
| Knollcrest Lodge, Community Outreach Services - Meals on Wheels | Milverton |
| Knollcrest Lodge, Community Outreach Services - Perth East Transportation | Milverton |
| Knollcrest Lodge, Community Outreach Services - Social and Dining Programs | Milverton |
| Knollcrest Lodge, Community Outreach Services - Volunteer Transportation | Milverton |
| Knollcrest Lodge, Community Outreach Services - Volunteer Visiting and Telephone Reassurance | Milverton |
| Knollcrest Lodge, Community Outreach Services - Wellness for Seniors | Milverton |
| Knox Holstein, Amos Dromore and Knox Normanby Presbyterian Pastoral Charge, Holstein Presbyterian Church, Christmas Hampers Egremont / Holstein area | Southgate |
| Knox Presbyterian Church, Goderich | Goderich |
| Knox Presbyterian Church | Muskoka Lakes Township |
| Knox Presbyterian Church, Stratford | Stratford |
| Knox Presbyterian Church, Alliston | New Tecumseth |
| Knox Presbyterian Church, Dunedin | Creemore |
| Knox Presbyterian Church, Midland, Gift of Grace Soup Kitchen | Midland |
| Knox Presbyterian Church, Stratford, Alley Thrift Store Mission (The) | Stratford |
| Knox Presbyterian Church, Stratford, Cancer Care Mission Wigs & Accessories | Stratford |
| Knox Presbyterian Church, Tiverton | Kincardine |
| Knox Presbyterian Church, Torrance, Zion Presbyterian Church | |
| Knox Presbyterian Church, Vacation Bible School, Midland | Midland |
| Knox Presbyterian Church Bayfield, Bayfield | Bluewater |
| Koalaroo Preschool, Barrie | Barrie |
| KOOL 107.5 FM, Barrie | Barrie |
| Koryukan Karate Midland, Koryu Karate Midland | Midland |
| KPP | Peterborough |
| KPP, Administration | Peterborough |
| Krasman Centre | Richmond Hill |
| Kumon Centre - Orillia, Orillia Kumon Centre | Orillia |
| Kumon Peterborough West | Peterborough |
| Kunkel Bus Lines, Hanover | Hanover |
| Kushog Lake Property Owners Association | Algonquin Highlands |
| Kwik K Variety & Bakery, TOK Coachlines Bus Agent | Kincardine |