Suppliers
- UAP Inc94
- UBA Inc129
- Ubiqus Canada34
- UL Laboratoire Canada Inc.25
- Uline Canada Corp40
- ULS Maintenance & Landscaping Inc.36
- Ultra Electronics TCS Inc.30
- Ultramar Ltd35
- Umano Medical Inc.138
- Un à Un architectes inc.43
- Un architecture inc.77
- Un itineraire pour tous32
- Underdogs Power Corporation44
- Unifirst Canada Ltee71
- Uniform Works Ltd.63
- Uniforme L. & M. Inc.25
- Unigec88
- Unique Mobilier32
- Unique mobilier de bureau121
- Uniroc Construction inc258
- Uniroc Inc.66
- Unisource Canada Inc.72
- Unisource Technology Inc1,029
- United Paving 83 Ltd38
- United Rentals181
- United Rentals of Canada, Inc.240
- United States Department of the Air Force123
- United States Department of the Army79
- United States Department of the Navy208
- Univap Inc.26
- Univar Canada120
- Univar Solutions Canada Ltd.115
- Université de Montréal27
- Université de Sherbrooke41
- Université du Québec à Montréal28
- Université Laval90
- Université Sainte-Anne32
- University of British Columbia67
- University of Guelph41
- University of Ottawa35
- University of Saskatchewan32
- University of Toronto34
- University of Waterloo38
- Univert Paysagement Inc.76
- UpToDate, Inc.29
- Uqsuq77
- Urban Systems Ltd.44
- Urlacher Construction Ltd.123
- USD Global Inc.207
- UTC Incendie & Sécurité Canada Inc.37