- YAMANA GOLD INC.TORONTO
- YA MAN HOLDINGS INC.King City
- Yangaroo Inc.Toronto
- YANTZI'S FEED AND SEED LIMITEDTAVISTOCK
- YANU INVESTMENTS LPTORONTO
- YARDISTRY LIMITEDWATERLOO
- YARL METAL FABRICATIONS INC.SCARBOROUGH
- YATSEN GROUP INC.MARKHAM
- YA YA FOODS CORP.Toronto
- YEE HONG CENTRE FOR GERIATRIC CAREScarborough
- YELLOW CLOUD INVESTMENT GROUP LPMarkham
- YILONG MANUFACTURING PRODUCTS LTD.MARKHAM
- YK (2020) FAMILY TRUSTTornhill
- YM INC. (SALES)Toronto
- YONGE BAYVIEW HOLDINGS INC.Vaughan
- Yonge & Green Lane Developments Corp.Toronto
- YONGE & GREEN LANE SOUTH DEVELOPMENTS CORP.TORONTO
- Yooma Wellness Inc.Toronto
- Yorkdale Spring International Group LTD.Toronto
- YORK ENERGY CENTRE LPToronto
- York Group Holdings LPVaughan
- YORK MAJOR HOLDINGS INC.Maple
- YORK MILLS CENTRE INC.Toronto
- Yorkton Crossing Retirement Community Inc.Markham
- York University Pension PlanToronto
- YORKVILLE ASSET MANAGEMENT INC.TORONTO
- YORKVILLE MUTUAL FUND CORPORATIONTORONTO
- YOUFIRST FINANCIAL INC.Toronto
- Youngfield Farms Ltd.Nestleton
- YOUNG & YOUNG TRADING CO. LIMITEDScarborough
- Your Credit Union LimitedOttawa
- YOUR HOME COMFORT INC.Cambridge
- Your Neighbourhood Credit Union LimitedKitchener
- Youth Opportunities UnlimitedLondon
- YSC DEVELOPMENT CORP.Toronto
- YTM Capital Fixed Income Alternative FundOakville
- ZAG Properties (Brampton) Inc.Woodbridge
- ZAG Properties (Milton) Inc.Woodbridge
- Zag Properties (Oakville) Inc.Woodbridge
- ZAKHER PERES ENTERPRISES LIMITEDWOODBRIDGE
- Zanpas Investments Inc.Woodbridge
- ZAVIDA COFFEE COMPANY INC.CONCORD
- ZCR Corp.Toronto
- ZEBRA PEN CANADA CORP.Oakville
- ZEHTOV ENTERPRISES LTD.TORONTO
- ZEIFMANS LLPToronto
- Zelus Material Handling Inc.Aylmer
- ZENA INVESTMENT CORPORATIONOTTAWA
- ZENAN CUSTOM CRESTING INC.North York
- ZENAN GLASS CORP.King City
- Zenith Insurance CompanyToronto
- ZENTECH CANADA LTD.Hamilton
- ZEVEST DEVELOPMENT CORPORATIONSt. Jacobs
- ZHIHE CANADA INCrichmond hill
- ZIM CorporationOttawa
- ZODAR TOOL AND DIE LIMITEDRichmond Hill
- ZODIAC IMPEX INC.MISSISSAUGA
- ZRP #1 L.P.Toronto
- Z & S INVESTMENTS LTD.Pickering
- Zuidervaart Agri-Import LtdMitchell
- Zwart Systems Inc.Beamsville
- ZYCOM TECHNOLOGY INC.KINGSTON
- ZYRIO CORPORATIONToronto