Companies catalogue
- U Can Do It, Toronto
- U Fab Boats, Smiths Falls
- U-Brew Ctr, Sudbury
- U-Haul Neighborhood Dealer, Oshawa
- U-Haul Neighborhood Dealer, Hampton
- U.S. Customs and Border Protection, Ottawa
- UC Baby 3D Ultrasound, Ottawa
- UCS Pigeon Roy, Ottawa
- UMBRELLA APPRAISALS, Kemptville
- UNICEF Canada, Toronto
- UNO International Culture LTD., Toronto
- UOIT Student Union, Oshawa
- UOIT-Baagwating Indigenous Student Centre - UBISC, Oshawa
- URDD Designated Driving Service, Oshawa
- UTSC Academic Advising & Career Centre, Toronto
- UXR Lab, Oshawa
- Ubbink Book and Paper Conservation, Ottawa
- Ugo Barber & Hairstyling, Sudbury
- Uji Café 宇治カフェ, Ottawa
- Uk-Halsey Sailmakers, Toronto
- Ukrainian Orthodox Cathedral Assumption Of The Blessed Virgin, Ottawa
- Ukranian Hall, Ottawa
- Ultimate Car Shop, Ottawa
- Ultimate Commercial Cleaning, Ottawa
- Ultimate Parks Incorporated, Ottawa
- Ultimate School Agers, Courtice
- Ultimate Tours Inc, Ottawa
- Ultra Sports Centre, Toronto
- Ultramar, Arnprior
- Ultramar Energy, Sudbury
- Ultrashine, Greater Sudbury
- Umi Teriyaki & Sushi, Ottawa
- Unboring!Wedding, Toronto
- Under The Sun Tanning Salon, Port Perry
- Unfolding Path Yoga and Thai Massage, Ottawa
- Unified Tae Kwon Do, Whitby
- Union 613, Ottawa
- Union Hall, Mississippi Mills
- Union Mission Boarding Home (The), Ottawa
- Union Street Bar and Grill, Smiths Falls
- Union Street Kitchen Café, Ottawa
- Unionville Minor Softball Association, Markham
- Unionville Recycling Depot, Markham
- Unionville Residents Association, Unionville
- Unionville Tennis Club, Markham
- Unionville-Milliken Soccer Club, Markham
- Unique Beauty Spa, Sudbury
- Unirel Binding-Bonnier Folding, Gatineau
- Uniserve immigration, Toronto
- Unitarian House Of Ottawa, Ottawa
- United Airlines, Ottawa
- United Association Refrigeration Workers Local 787, Ottawa
- United Cemeteries, Carleton Place
- United Church Osgoode - Kars Pastoral Office, Ottawa
- United Church Oxford Mills, Oxford Mills
- United Church of Canada - Ottawa Presbytery, Ottawa
- United Pentecostal Church, Ottawa
- United Rentals, Sudbury
- United Steelworkers, Ottawa
- United Steelworkers Legislative Office, Ottawa
- United Transportation Union, Ottawa
- Universal Engineered Restoration, Pickering
- Universal Tattoo & Body Piercing, Ottawa
- Universe DanceArt Inc., Ottawa
- Universidad Nacional Autónoma de México Canadá, Gatineau
- University Tavern, Ottawa
- University of Ottawa, Ottawa
- University of Ottawa Health Services, Ottawa
- University of Ottawa Heart Institute, Ottawa
- University of Ottawa, Minto Sports Complex, Ottawa
- University of Toronto, Toronto
- University of Toronto Parking Lot G, Toronto
- Unlocked Ottawa, Ottawa
- Unthink Inc., Ajax
- Up & Down Home Inspection Svc, Ottawa
- Upholstery & Foam Design, Toronto
- Uplands Golf & Ski Club, Vaughan
- Uplands Military Community Centre, Ottawa
- Upper Hunt Club Dental Centre, Ottawa
- Uptown Cleaners Ltd, Sudbury
- Urban Keios Design, Ottawa
- Urban Planet, Sudbury
- Urbandale Corporation - Lord Halifax Place, Ottawa
- Usher Capordelis Seguin, Ottawa
- Usine De Traitement Eaux Usees, Gatineau
- Uxbridge GQ Taxi, Uxbridge
- Uxbridge Montessori School, Uxbridge
- Uxbridge Seniors Centre, Uxbridge
- Uxbridge Shoes & Shoe Repair, Uxbridge
- Uxbridge Soccer Club Inc, Uxbridge
- Uxbridge Squash Club, Uxbridge
- Uxbridge Swim Club, Uxbridge
- Uxbridge Taxidermy, Uxbridge
- Uxbridge Tourist Information Centre, Uxbridge
- Uxbridge Veterinary Hospital, Uxbridge
- Uxbridge Youth Centre, Uxbridge
- uLawPractice.com, Ottawa
- uOttawa Faculty of Science Office of Undergraduate Programs, Ottawa
- uOttawa Rideau Residence, Ottawa
- uOttawa's Second Community Garden, Ottawa