- 10XTO — Old Toronto
- 5 Tennis Court — Ottawa
- A Love of Tennis — Ottawa
- Athletic Centre — Old Toronto
- Barrhaven Tennis Club — Nepean
- Beaches Park — Old Toronto
- Beacon Hill Tennis Club — Gloucester
- Blackburn Tennis Club — Gloucester
- Blackmore Tennis Club — Richmond Hill
- Bob Mitchell Park — Nepean
- Bordeleau Park — Ottawa
- Bordeleau Park Tennis Courts — Ottawa
- Brantwood Park Tennis Courts — Ottawa
- BreakPoint Tennis Club — Old Toronto
- Britannia Yacht Club — Ottawa
- Capital Camps - Tennis Camps — Cumberland
- Capital Camps - Tennis Lessons — Cumberland
- Carleton Tennis Centre — Ottawa
- Carp Tennis Club — Ottawa
- Cedarvale Park — York
- Cedarvale Park Tennis Courts — York
- Central Tennis Club — Etobicoke
- Champlain Table Tennis Club — Ottawa
- City View Tennis Club — Nepean
- Cloverdale tennis courts in Cloverdale park — Etobicoke
- Club de Tennis Orleans Tennis Club — Gloucester
- Cottingham Tennis Club — Old Toronto
- Craig Henry Tennis Club — Nepean
- Crownridge Tennis Courts — Kanata
- Crystal Beach Tennis Club — Nepean
- Dale Park Public Tennis Courts — Ottawa
- Davisville Tennis Club — Old Toronto
- Dentonia Park Tennis Club — East York
- Don Mills Tennis Club — North York
- East York Tennis Club — East York
- Eglinton Flats Winter Tennis Club — York
- Eglinton Park — Old Toronto
- Elmdale Tennis Club — Ottawa
- Elmridge Park Tennis & Pickleball Club — Gloucester
- Evelyn Tennis Courts — Old Toronto
- Findlay Creek Tennis Courts — Gloucester
- Forest Hill Tennis Club — Old Toronto
- Frank Ryan Park — Ottawa
- Fred Victor Community Tennis courts — Old Toronto
- General Burns Park — Nepean
- General Burns Tennis Club — Nepean
- Giovanni Caboto Outdoor Tennis Courts — Old Toronto
- Glen Cairn Tennis Club — Kanata
- Glendora Public Tennis Courts — North York
- Granite Club — North York
- Greenlawn Park Tennis Court — Ottawa
- Guiness Park Tennis Court — Nepean
- Hamilton Tennis Club — Hamilton
- High Park Club — Old Toronto
- High Park Tennis Courts — Old Toronto
- Hilltop Tennis Club — Hamilton
- Howard Park Tennis Club — Old Toronto
- Jack Purcell Community Centre and Pool — Ottawa
- Jimmie Simpson Park Outdoor Tennis Courts — Old Toronto
- Jonathan Ashbridge Park — Old Toronto
- June Rowlands Park — Old Toronto
- KEW Garden Tennis Club — Old Toronto
- Kew Gardens — Old Toronto
- Kingsway Platform Tennis Club — Etobicoke
- Klondike Road Park — Kanata
- L'Amoreaux Tennis Centre — Scarborough
- Lawrence Park Tennis Club — Old Toronto
- Leaside Tennis Club — East York
- Lexington Park Tennis Court — Nepean
- Lincoln Heights Park — Ottawa
- Lindenlea Park — Ottawa
- Long Park Tennis Club — Nepean
- Lynwood Park Tennis Club — Nepean
- Lytton Sunken Gardens — Old Toronto
- Manchester Park Tennis Courts — Etobicoke
- Mancini Park — Nepean
- Manotick Tennis Club — Ottawa
- March Tennis Club — Kanata
- Marilyn Bell Park — Old Toronto
- Marilyn Bell Park Tennis Court — Old Toronto
- Maryland Park — East York
- Mayfair Clubs - Lakeshore — Old Toronto
- Mayfair Clubs West — North York
- McKellar Park Tennis Courts — Ottawa
- Merchant of Tennis — East York
- Mimico Tennis Club — Etobicoke
- Mooney's Bay Park and Beach — Ottawa
- Mooney's Bay Tennis Courts — Ottawa
- Moore Park Tennis Club — Old Toronto
- Moorevale Park — Old Toronto
- Morrison Park Tennis Courts — Nepean
- NYTA Winter Tennis Club (North Bubble) — North York
- NYTA Winter Tennis Club - East Bubble — North York
- New Edinburgh Park — Ottawa
- North Toronto Tennis Club — Old Toronto
- North York Tennis Club — North York
- ONEC Tennis courts — Rockcliffe Park
- Ontario Racquet Club — Mississauga
- Ontario Tennis Association — North York
- Oriole Park — Old Toronto
- Ottawa Chinese Table Tennis Club (渥太华中華乒乓球會) — Ottawa
- Ottawa New Edinburgh Club — Rockcliffe Park
- Ottawa Table Tennis Club — Nepean
- Ottawa Tennis Club — Ottawa
- Owl Park — Ottawa
- Performance Tennis Shop, Ottawa — Ottawa
- Pinecrest Park — Ottawa
- Pinecrest Park Tennis Courts — Ottawa
- Playfair Park Tennis Courts — Ottawa
- Plock Tennis Club — Scarborough
- Prairie Drive Park Tennis Courts — Scarborough
- Princess Margriet Park — Ottawa
- Public Tennis Court — Ottawa
- Public Tennis Courts — Ottawa
- Queens Club — Old Toronto
- RA Centre — Ottawa
- Racette Park — Gloucester
- Ramsden Park — Old Toronto
- Ramsden Park Tennis Courts — Old Toronto
- Reset & Match | Christophe Honthaas — Gloucester
- Rideau Sports Centre — Ottawa
- Riverain Park — Vanier
- Riverdale Park East — Old Toronto
- Riverdale Park Tennis Courts — Old Toronto
- Riversides 1551 Tennis Court — Ottawa
- Rockcliffe Lawn Tennis Club — Rockcliffe Park
- Rosedale Tennis Club — Hamilton
- Rotary Peace Park Tennis Court — Etobicoke
- Rouncey Park — Stittsville
- Ryerson Tennis Club — Nepean
- Scadding Court Community Centre — Old Toronto
- Scarborough Bluffs Tennis Club — Scarborough
- Sir Winston Churchill Park — Old Toronto
- Sir Winston Churchill Park Tennis Club — Old Toronto
- Sobeys Stadium — North York
- Sorauren Avenue Park — Old Toronto
- Springhurst Park — Ottawa
- St Germain Tennis Courts — Ottawa
- St. James Tennis Club — Ottawa
- St. Luke’s Park — Ottawa
- Stanley Park — Old Toronto
- Stanley Park Tennis & Pickleball Courts — Old Toronto
- Swansea Tennis Club — Old Toronto
- Tanglewood Park — Nepean
- Tennis — Old Toronto
- Tennis Central — Old Toronto
- Tennis Centre West Ottawa — Ottawa
- Tennis Tournaments Toronto — Old Toronto
- The Boulevard Club — Old Toronto
- The National Club — Old Toronto
- The Supreme Court - Toronto — North York
- The Toronto Racquet Club — Old Toronto
- Thorncliffe Park Tennis Club — East York
- Toronto Lawn Tennis Club — Old Toronto
- Toronto Sport Club — Old Toronto
- Toronto Tennis City — Old Toronto
- Tournament Park — North York
- Tournament Park Tennis Club — North York
- Trend Arlington Tennis & Pickleball Club — Nepean
- Trinity Bellwoods Park — Old Toronto
- Trinity Bellwoods Park Tennis Courts — Old Toronto
- Unionville Tennis Club — Markham
- University of Toronto Scarborough Tennis Centre — Scarborough
- Uplands Park — Ottawa
- Valin Park — Cumberland
- Valley Tennis — North York
- Viewmount Park Tennis Club — North York
- Wanless Park Tennis Club — North York
- Windsor Park Tennis Courts (South) — Ottawa
- Winter Tennis Club - South Location — North York
- Withrow Park — Old Toronto
- Wychwood Tennis Club — Old Toronto
- York Old Mill Tennis Club — York
- York Racquets Club — Old Toronto
- York Weston Tennis Club — York