| HILLSDALE INDUSTRIES LTD. | — | BC0165882 | 1977-09-19 | Inactive | |
| HILLSDALE INVESTMENT MANAGEMENT INC. | — | A0081276 | 2010-09-27 | Active | |
| HILLSDALE PAINTING | — | FM0078163 | 1987-05-06 | Active | |
| HILLSDEN BACKHOE SERVICE LTD. | — | BC0541146 | 1997-04-21 | Inactive | |
| HILLSDEN ENTERPRISES LTD. | — | BC0241913 | 1981-09-04 | Inactive | |
| HILLSDEN MECHANICAL SERVICES | — | FM0326308 | 2002-07-04 | Active | |
| HILLSDEN PLUMBING LTD. | — | BC0452247 | 1993-08-05 | Inactive | |
| HILLSDOWN APPRAISAL | — | FM0528392 | 2010-05-04 | Active | |
| HILLSHIRE MARKETING CORPORATION | — | BC0176989 | 1978-06-23 | Inactive | |
| HILLSIDE ANTIQUES | — | FM0174724 | 1995-02-13 | Active | |
| HILLSIDE ANTIQUES AND USED FURNITURE | — | FM0356306 | 2003-09-26 | Active | |
| HILLSIDE APARTMENTS LIMITED | — | BC0163002 | 1977-06-21 | Inactive | |
| HILLSIDE APARTMENTS LTD. | — | BC0047975 | — | Inactive | |
| HILLSIDE ART STUDIO | — | FM0864297 | 2021-12-01 | Active | |
| HILLSIDE ASSET RECOVERY | — | FM0225307 | 1997-08-14 | Active | |
| HILLSIDE AUTO CENTRE LTD. | — | BC1451958 | 2023-11-28 | Active | |
| HILLSIDE AUTO DETAILING | — | FM0469179 | 2008-01-30 | Inactive | |
| HILLSIDE AUTO DETAILING | — | FM0665217 | 2015-07-11 | Inactive | |
| HILLSIDE AUTO DETAILING | — | FM0318736 | 2002-03-07 | Active | |
| HILLSIDE AUTO SERVICE | — | FM0352897 | 2003-08-06 | Active | |
| HILLSIDE AUTO SERVICES LTD. | — | BC0841599 | 2008-12-15 | Inactive | |
| HILLSIDE AUTOMATION & ELECTRICAL SERVICES LTD. | — | BC1301457 | 2021-04-22 | Active | |
| HILLSIDE BAKERY LTD. | — | BC0069315 | 1966-04-29 | Inactive | |
| HILLSIDE BARBERS | — | FM0756591 | 2018-09-13 | Active | |
| HILLSIDE BINGO LTD. | — | BC0320022 | 1987-01-12 | Inactive | |
| HILLSIDE BLINDS & DRAPERIES LTD. | — | BC0372867 | 1989-09-19 | Inactive | |
| HILLSIDE BLOOMS LTD. | — | BC1527663 | 2025-02-20 | Active | |
| HILLSIDE BOYS CLUB | — | S0005807 | — | Inactive | |
| HILLSIDE BUILDERS LTD. | — | BC0231539 | 1981-04-06 | Inactive | |
| HILLSIDE BUILDING GROUP (1991) INC. | — | BC0410837 | 1991-08-15 | Inactive | |
| HILLSIDE BUSINESS SERVICES | — | FM0118708 | 1991-05-09 | Active | |
| HILLSIDE BUSINESS SERVICES LTD. | — | BC0547073 | 1997-07-18 | Active | |
| HILLSIDE CABINETS | — | FM0191201 | 1995-12-14 | Inactive | |
| HILLSIDE CABINETS | — | FM0753467 | 2018-08-02 | Active | |
| HILLSIDE CABINETS | — | FM0274007 | 2000-02-01 | Active | |
| HILLSIDE CABINETS LTD. | — | BC1478911 | 2024-05-01 | Active | |
| HILLSIDE CABINS | — | FM1077565 | 2025-06-03 | Active | |
| HILLSIDE CARD SHOPS LTD. | — | BC0083969 | 1969-01-13 | Inactive | |
| HILLSIDE CARPENTRY | — | FM0077086 | 1987-03-31 | Active | |
| HILLSIDE CATERING | — | FM0075380 | 1987-02-05 | Active | |
| HILLSIDE CATERING LTD. | — | BC0564921 | 1998-05-20 | Inactive | |
| HILLSIDE CEDAR SUPPLY | — | FM0000230 | 1966-11-09 | Active | |
| HILLSIDE CELLARS WINERY LTD. | — | BC0512284 | 1996-01-23 | Inactive | |
| HILLSIDE CELLARS WINERY LTD. | — | BC0766878 | 2006-09-01 | Inactive | |
| HILLSIDE CELLARS WINERY LTD. | — | BC0860063 | 2009-09-01 | Active | |
| HILLSIDE CENTRE DENTAL GROUP LTD. | — | BC0423466 | 1992-04-03 | Active | |
| HILLSIDE CENTRE HOLDINGS INC. | — | A0080989 | 2010-08-25 | Active | |
| HILLSIDE CENTRE I GP INC. | — | A0090688 | 2013-11-12 | Active | |
| HILLSIDE CENTRE I LP | — | XP0621056 | 2013-11-20 | Active | |
| HILLSIDE CENTRE II GP INC. | — | A0090689 | 2013-11-12 | Active | |
| HILLSIDE CENTRE II LP | — | XP0621055 | 2013-11-20 | Active | |
| HILLSIDE CHILD CARE CENTRE LTD. | — | BC0168950 | 1977-12-12 | Inactive | |
| HILLSIDE CHILDCARE | — | FM0585460 | 2012-06-11 | Active | |
| HILLSIDE CHRISTIAN CHURCH | — | S0057279 | 2010-09-29 | Active | |
| HILLSIDE CHRISTIAN FELLOWSHIP | — | S0047123 | 2004-01-21 | Active | |
| HILLSIDE CHRISTIAN REFORMED CHURCH | — | S0042692 | 2001-02-12 | Inactive | |
| HILLSIDE CHURCH | — | FM0612913 | 2013-07-24 | Active | |
| HILLSIDE CLEANING | — | FM0643403 | 2014-09-25 | Active | |
| HILLSIDE COMMUNITY CHURCH | — | S0012216 | 1976-03-15 | Active | |
| HILLSIDE COMMUNITY CHURCH OF 100 MILE | — | S0011710 | 1975-07-09 | Active | |
| HILLSIDE CONCRETE LTD. | — | BC1016839 | 2014-10-21 | Active | |
| HILLSIDE CONSIGNMENTS | — | FM0261708 | 1999-06-24 | Active | |
| HILLSIDE CONSULTING & MEDIA INC. | — | BC1322815 | 2021-09-03 | Active | |
| HILLSIDE CONSULTING LTD. | — | BC0495528 | 1995-04-28 | Inactive | |
| HILLSIDE CONTRACTING LTD. | — | BC0558686 | 1998-01-30 | Inactive | |
| HILLSIDE CONTRACTING LTD. | — | BC0082469 | 1968-10-23 | Inactive | |
| HILLSIDE COUNSELING SERVICES | — | FM0087137 | 1988-04-28 | Active | |
| HILLSIDE COUNTRY MARKET | — | FM0688742 | 2016-05-10 | Active | |
| HILLSIDE CREEK LAWN MAINTENANCE | — | FM0699691 | 2016-09-30 | Active | |
| HILLSIDE CROCHET | — | FM1049539 | 2024-06-24 | Active | |
| HILLSIDE CUSTOM KITCHENS | — | FM0188747 | 1995-10-27 | Active | |
| HILLSIDE DAIRY LTD. | — | BC0750114 | 2006-02-27 | Inactive | |
| HILLSIDE DATA CENTRE INC. | — | BC1526999 | 2025-02-14 | Inactive | |
| HILLSIDE DELIVERY | — | FM0443389 | 2007-02-08 | Active | |
| HILLSIDE DENTAL CENTRE | — | FM0664828 | 2015-07-07 | Active | |
| HILLSIDE DENTURE CLINIC LTD. | — | BC0170370 | 1978-01-25 | Inactive | |
| HILLSIDE DESIGN & DRAFTING INC. | — | BC0668133 | 2003-04-17 | Active | |
| HILLSIDE DESIGN ACADAMY LTD. | — | BC0246181 | 1981-12-04 | Inactive | |
| HILLSIDE DEVELOPMENTS INC. | — | BC0746656 | 2006-01-24 | Active | |
| HILLSIDE DEVELOPMENTS LTD. | — | BC0745627 | 2006-01-12 | Inactive | |
| HILLSIDE DISTRIBUTOR | — | FM0083625 | 1987-12-18 | Active | |
| HILLSIDE DRAFTING | — | FM0183836 | 1995-07-27 | Active | |
| HILLSIDE DREAM HOMES LTD. | — | BC1332990 | 2021-11-12 | Active | |
| HILLSIDE DRUGS LIMITED | — | BC0795320 | 2007-06-25 | Inactive | |
| HILLSIDE DRUGS LIMITED | — | BC0758286 | 2006-05-19 | Inactive | |
| HILLSIDE ELECTRIC | — | FM0043376 | 1982-07-23 | Active | |
| HILLSIDE ELECTRIC LTD. | — | BC0098124 | — | Inactive | |
| HILLSIDE ENGINEERING SERVICES LTD. | — | BC0477946 | 1994-08-04 | Active | |
| HILLSIDE ENTERPRISE LTD. | — | BC1516203 | 2024-12-11 | Active | |
| HILLSIDE ENTERPRISES | — | FM0007621 | 1971-03-02 | Active | |
| HILLSIDE ENTERPRISES 05 LTD. | — | BC0712744 | 2004-12-31 | Inactive | |
| HILLSIDE ENTERPRISES LTD. | — | BC0156641 | 1977-01-12 | Inactive | |
| HILLSIDE ENTERPRISES LTD. | — | BC0363144 | 1989-04-06 | Inactive | |
| HILLSIDE ENVIRONMENTAL COOPERATIVE ASSOCIATION | — | CP0001845 | 2000-05-31 | Active | |
| HILLSIDE EQUIPMENT LTD. | — | BC0804670 | 2007-10-04 | Inactive | |
| HILLSIDE ESTATE WINERY | — | FM0307792 | 2001-08-28 | Active | |
| HILLSIDE ESTATE WINERY | — | FM0435794 | 2006-10-18 | Active | |
| HILLSIDE ESTATES LTD. | — | BC0157148 | 1977-01-26 | Inactive | |
| HILLSIDE ESTHETICS | — | FM0874694 | 2022-03-18 | Active | |
| HILLSIDE EVENTS | — | FM0109474 | 1990-07-09 | Active | |
| HILLSIDE EVENTS & RENTALS | — | FM0812334 | 2020-07-24 | Active | |
| HILLSIDE EXCAVATING | — | FM1061939 | 2024-12-04 | Active | |
| HILLSIDE EXCAVATING LTD. | — | BC1384105 | 2022-10-25 | Active | |
| HILLSIDE EXECUTIVE SUITES LTD. | — | BC0868514 | 2009-12-10 | Active | |
| HILLSIDE EXPERT TRADING CO. LTD. | — | BC0273420 | 1984-01-25 | Inactive | |
| HILLSIDE EYECARE INC. | — | BC0860727 | 2009-09-08 | Active | |
| HILLSIDE FALLING LTD. | — | BC0608484 | 2000-06-07 | Inactive | |
| HILLSIDE FAMILY DAYCARE | — | FM0580648 | 2012-04-09 | Active | |
| HILLSIDE FAMILY PHARMACY | — | FM0848649 | 2021-06-11 | Active | |
| HILLSIDE FARM DAIRY HOLDINGS LTD. | — | BC0044795 | — | Inactive | |
| HILLSIDE FARM DAIRY LTD. | — | BC0035896 | — | Inactive | |
| HILLSIDE FARMS LTD. | — | BC0014753 | 1935-10-03 | Active | |
| HILLSIDE FIGURE SALONS LTD. | — | BC0108512 | 1972-04-27 | Inactive | |
| HILLSIDE FILM PRODUCTIONS LTD. | — | BC0179489 | 1978-08-25 | Inactive | |
| HILLSIDE FINANCE LTD. | — | BC0073042 | — | Inactive | |
| HILLSIDE FIRE PROTECTION | — | FM0423801 | 2006-05-05 | Active | |
| HILLSIDE FITNESS STUDIO LTD. | — | BC1077456 | 2016-05-31 | Inactive | |
| HILLSIDE FLORISTS | — | FM0052041 | 1984-02-10 | Inactive | |
| HILLSIDE FLORISTS | — | FM0153467 | 1993-12-09 | Active | |
| HILLSIDE FOOD MARKET LTD. | — | BC0077514 | 1968-01-09 | Inactive | |
| HILLSIDE FOODS LTD. | — | BC1295678 | 2021-03-22 | Active | |
| HILLSIDE FORGE | — | FM0115190 | 1991-01-24 | Active | |
| HILLSIDE FROZEN FOOD PROVISIONERS LTD. | — | BC0053119 | — | Inactive | |
| HILLSIDE GARDENS | — | FM0205370 | 1996-08-28 | Active | |
| HILLSIDE GARDENS LTD. | — | BC0025124 | — | Inactive | |
| HILLSIDE GET-AWAY | — | FM1028200 | 2023-10-19 | Active | |
| HILLSIDE GRAVEL SUPPLY LTD. | — | BC0241986 | 1981-09-08 | Inactive | |
| HILLSIDE GROUP HOLDINGS LTD. | — | BC0704099 | 2004-09-14 | Active | |
| HILLSIDE HAIRESS STUDIO | — | FM0760567 | 2018-11-06 | Active | |
| HILLSIDE HALL LIMITED | — | BC0009274 | — | Inactive | |
| HILLSIDE HANDY MAN | — | FM0367340 | 2004-03-09 | Inactive | |
| HILLSIDE HANDYMAN | — | FM0749854 | 2018-06-20 | Active | |
| HILLSIDE HARDWARE COMPANY LTD. | — | BC0333628 | 1987-09-22 | Inactive | |
| HILLSIDE HARVESTERS LTD. | — | BC0447517 | 1993-05-21 | Inactive | |
| HILLSIDE HASKAP PATCH | — | FM0857817 | 2021-09-10 | Active | |
| HILLSIDE HAUL & HANDYMAN SERVICE | — | FM0474400 | 2008-04-03 | Active | |
| HILLSIDE HEALTH & WELLNESS ON JOHNSTON ROAD INC. | — | BC0978535 | 2013-08-22 | Inactive | |
| HILLSIDE HEALTH LTD. | — | BC1081617 | 2016-07-04 | Inactive | |
| HILLSIDE HEAVY DUTY | — | FM0847243 | 2021-05-30 | Active | |
| HILLSIDE HEMP | — | FM0648025 | 2014-12-02 | Active | |
| HILLSIDE HERALD | — | FM0056528 | 1984-10-01 | Active | |
| HILLSIDE HOLDINGS LIMITED | — | BC0045925 | 1959-09-22 | Inactive | |
| HILLSIDE HOME CARE AGENCY | — | FM0165605 | 1994-08-18 | Active | |
| HILLSIDE HOMES | — | FM0384155 | 2004-11-09 | Active | |
| HILLSIDE HOMES LTD. | — | BC0049499 | — | Inactive | |
| HILLSIDE HOMESTEAD & RENTALS LTD. | — | BC1550029 | 2025-07-26 | Active | |
| HILLSIDE HONEY SOAPS | — | FM1040374 | 2024-03-06 | Active | |
| HILLSIDE HOTEI MANUFACTURERS LTD. | — | BC0571977 | 1998-09-18 | Inactive | |
| HILLSIDE HOUNDS | — | FM0448991 | 2007-04-20 | Active | |
| HILLSIDE HOUSE INC. | — | BC0486957 | 1994-12-29 | Active | |
| HILLSIDE HOUSE SCHOOL OF HAIRDRESSING | — | FM0032711 | 1980-01-15 | Active | |
| HILLSIDE HOUSE SCHOOL OF HAIRDRESSING A DIVISION OF HILLSIDE DESIGN ACADEMY LTD. | — | FM0074838 | 1987-01-13 | Active | |
| HILLSIDE ICE CREAM LTD. | — | BC0053177 | — | Inactive | |
| HILLSIDE INDUSTRIES INC. | — | BC0959650 | 2013-01-09 | Inactive | |
| HILLSIDE INNS LTD. | — | BC0177931 | 1978-07-17 | Inactive | |
| HILLSIDE INVESTMENTS LTD. | — | BC0068610 | 1966-03-10 | Inactive | |
| HILLSIDE INVESTMENTS LTD. | — | BC0372041 | 1989-09-05 | Inactive | |
| HILLSIDE INVESTMENTS LTD. | — | BC1240068 | 2020-02-07 | Active | |
| HILLSIDE IRISES | — | FM0469672 | 2008-02-04 | Active | |
| HILLSIDE KENNELS | — | FM0708558 | 2017-01-26 | Active | |
| HILLSIDE KENNELS | — | FM0147471 | 1993-07-27 | Inactive | |
| HILLSIDE LAB CANADA INC. | — | BC1331380 | 2021-11-02 | Active | |
| HILLSIDE LANDS LTD. | — | BC0039681 | — | Inactive | |
| HILLSIDE LANDSCAPES & STONE WORKS | — | FM0301484 | 2001-05-11 | Active | |
| HILLSIDE LANDSCAPING | — | FM0157182 | 1994-03-11 | Inactive | |
| HILLSIDE LANDSCAPING | — | FM0084883 | 1988-02-08 | Active | |
| HILLSIDE LANDSCAPING | — | FM0161779 | 1994-06-03 | Active | |
| HILLSIDE LAW INC. | — | BC0884736 | 2010-06-29 | Active | |
| HILLSIDE LIQUOR PLUS LTD. | — | BC1087583 | 2016-08-26 | Active | |
| HILLSIDE LODGE LTD. | — | BC0282322 | 1984-09-06 | Inactive | |
| HILLSIDE LOFTS LTD. | — | BC0731755 | 2005-08-05 | Inactive | |
| HILLSIDE LOG SCALING | — | FM0342834 | 2003-03-20 | Active | |
| HILLSIDE LOGGING CO. LTD. | — | BC0026705 | — | Inactive | |
| HILLSIDE LOGGING LTD. | — | BC0094480 | 1970-07-03 | Inactive | |
| HILLSIDE MAINTENANCE LTD. | — | BC1403540 | 2023-03-03 | Active | |
| HILLSIDE MAINTENANCE MANAGEMENT | — | FM0181769 | 1995-06-22 | Active | |
| HILLSIDE MAINTENANCE MANAGEMENT INC. | — | BC0558320 | 1998-01-27 | Inactive | |
| HILLSIDE MANAGEMENT LTD. | — | C0526671 | 1996-09-06 | Active | |
| HILLSIDE MANOR PROPERTY MANAGEMENT INC. | — | BC0905452 | 2011-03-14 | Active | |
| HILLSIDE MARINE LTD. | — | BC0469159 | 1994-03-18 | Inactive | |
| HILLSIDE MASSAGE THERAPY | — | FM0397456 | 2005-05-11 | Active | |
| HILLSIDE MEAT MARKET | — | FM0009875 | 1972-05-04 | Active | |
| HILLSIDE MEATS LTD. | — | BC1466754 | 2024-02-20 | Active | |
| HILLSIDE MECHANICAL | — | FM0723009 | 2017-07-05 | Active | |
| HILLSIDE MEDICAL CENTRE INC. | — | BC0156330 | 1976-12-30 | Inactive | |
| HILLSIDE MINES LTD. | — | BC0041212 | 1958-03-24 | Inactive | |
| HILLSIDE MINING COMPANY LIMITED (NON-PERSONAL LIABILITY) | — | BC0011979 | — | Inactive | |
| HILLSIDE MOBILE HOME PARK | — | FM0790688 | 2019-10-24 | Active | |
| HILLSIDE MONTESSORI CHILD CARE | — | FM0507000 | 2009-07-14 | Active | |
| HILLSIDE MONTESSORI INC. | — | BC1374539 | 2022-08-10 | Active | |
| HILLSIDE MOTORS LTD. | — | BC0119622 | 1973-06-25 | Inactive | |
| HILLSIDE MOUNTAIN MANAGEMENT LTD. | — | BC0637334 | 2001-11-16 | Active | |
| HILLSIDE MOUNTAIN MANAGEMENT LTD. | — | BC0468510 | 1994-03-11 | Inactive | |
| HILLSIDE NATURAL FOODS | — | FM0022898 | 1977-02-28 | Active | |
| HILLSIDE NATURALS INC. | — | BC1245159 | 2020-03-23 | Inactive | |
| HILLSIDE NURSERY AND GREEN HOUSING | — | FM0070264 | 1986-06-11 | Active | |
| HILLSIDE OPTOMETRY CLINIC | — | FM0511717 | 2009-09-22 | Active | |
| HILLSIDE ORCHARD LTD. | — | BC0464678 | 1994-02-09 | Active | |
| HILLSIDE ORGANIC PRODUCE LTD. | — | BC1315882 | 2021-07-17 | Active | |
| HILLSIDE OUTLAWS | — | FM0745288 | 2018-04-19 | Active | |