| HORIZON CHARTERED ACCOUNTANTS | — | FM0315739 | 2002-01-22 | Inactive | |
| HORIZON CHARTERED PROFESSIONAL ACCOUNTANTS LTD. | — | BC0770245 | 2006-09-27 | Active | |
| HORIZON CHARTERS LTD. | — | BC0120559 | 1973-07-30 | Active | |
| HORIZON CHEMICALS LTD. | — | BC0298162 | 1985-09-25 | Inactive | |
| HORIZON CHILD AND YOUTH SERVICES LIMITED | — | BC1554945 | 2025-08-29 | Active | |
| HORIZON CHURCH INTERNATIONAL | — | S0064125 | 2015-06-18 | Inactive | |
| HORIZON CINEMAS, INC. | — | A0032507 | 1990-11-30 | Inactive | |
| HORIZON CLADDING LTD. | — | BC0542065 | 1997-05-01 | Active | |
| HORIZON CLAIMS | — | FM0323626 | 2002-05-23 | Active | |
| HORIZON CLEANING AND WASHING SERVICES INC. | — | A0138283 | 2025-08-11 | Active | |
| HORIZON CLEANING SERVICES | — | FM0442081 | 2007-01-23 | Active | |
| HORIZON CLEANING SERVICES LTD. | — | BC1152082 | 2018-02-07 | Inactive | |
| HORIZON CLIMATE CONTROLS LTD. | — | BC0559697 | 1998-02-17 | Active | |
| HORIZON COACHING | — | FM0671204 | 2015-09-29 | Active | |
| HORIZON COACHING | — | FM0304176 | 2001-06-25 | Active | |
| HORIZON COAST IMPORTS INC. | — | BC1148293 | 2018-01-08 | Inactive | |
| HORIZON COBALT INC. | — | BC1118983 | 2017-05-15 | Inactive | |
| HORIZON COLLEGE INC. | — | BC0305788 | 1986-03-07 | Inactive | |
| HORIZON COMMERCE INC. | — | BC1116685 | 2017-04-27 | Inactive | |
| HORIZON COMMUNICATIONS LTD. | — | BC0369482 | 1989-07-18 | Active | |
| HORIZON COMMUNITY CENTER ASSOCIATION | — | S0076534 | 2022-05-18 | Active | |
| HORIZON COMMUNITY OCCUPATIONAL THERAPISTS | — | FM0132919 | 1992-08-05 | Active | |
| HORIZON COMMUNITY OCCUPATIONAL THERAPISTS INC. | — | BC0453986 | 1993-09-03 | Active | |
| HORIZON COMPUTER SOLUTIONS INC. | — | A0102010 | 2017-03-24 | Active | |
| HORIZON COMPUTER SYSTEMS INC. | — | BC0344009 | 1988-04-19 | Inactive | |
| HORIZON CONCRETE FLOORS | — | FM0720734 | 2017-06-07 | Active | |
| HORIZON CONCRETE INC. | — | BC0581664 | 1999-03-16 | Inactive | |
| HORIZON CONDOMINIUM COACHING SERVICES | — | FM1033627 | 2023-12-21 | Active | |
| HORIZON CONSTRUCTION LTD. | — | BC0056371 | 1963-04-17 | Inactive | |
| HORIZON CONSTRUCTION MANAGEMENT LTD. | — | A0064930 | 2005-05-02 | Inactive | |
| HORIZON CONSTRUCTIQ SERVICES LTD. | — | BC1503386 | 2024-09-24 | Active | |
| HORIZON CONSULTANTS LTD. | — | BC0225922 | 1981-02-03 | Inactive | |
| HORIZON CONSULTING | — | FM1076400 | 2025-05-22 | Active | |
| HORIZON CONSULTING LTD. | — | BC0319607 | 1986-12-30 | Inactive | |
| HORIZON CONSULTING SERVICES | — | FM0665179 | 2015-07-10 | Active | |
| HORIZON CONSULTING SERVICES INC. | — | BC0720899 | 2005-04-05 | Inactive | |
| HORIZON CONSULTING SERVICES INC. | — | BC1043723 | 2015-07-23 | Inactive | |
| HORIZON CONTENT RESTORATION CO. LTD. | — | BC0358477 | 1989-01-25 | Inactive | |
| HORIZON CONTROLS LTD. | — | BC0376121 | 1989-11-10 | Inactive | |
| HORIZON COPPER CORP. | — | BC0905763 | 2011-03-17 | Inactive | |
| HORIZON COPPER CORP. | — | BC1436334 | 2023-08-31 | Inactive | |
| HORIZON COUNSELLING CENTER | — | FM0213499 | 1997-01-31 | Active | |
| HORIZON CRANE SALES LTD. | — | BC0154571 | 1976-11-08 | Inactive | |
| HORIZON CREATIVE VIRTUAL ASSISTANT | — | FM0784946 | 2019-08-15 | Active | |
| HORIZON CRUISESHIPCENTERS LTD. | — | BC0412426 | 1991-09-16 | Inactive | |
| HORIZON CURVE HOLDINGS LTD. | — | BC1568309 | 2025-12-16 | Active | |
| HORIZON CUSTOMER RETENTION SERVICES LTD. | — | BC0591272 | 1999-08-25 | Inactive | |
| HORIZON DATA SOLUTIONS INC. | — | BC0512160 | 1996-01-19 | Inactive | |
| HORIZON DATA SYSTEMS INC. | — | BC0192704 | 1979-06-19 | Inactive | |
| HORIZON DAYCARE INC. | — | BC1270615 | 2020-10-20 | Active | |
| HORIZON DECKING & RAILING INC. | — | BC0880992 | 2010-05-13 | Inactive | |
| HORIZON DEEP HOLDINGS LTD. | — | BC1220033 | 2019-08-19 | Active | |
| HORIZON DELIVERIES LTD. | — | BC1564009 | 2025-11-20 | Active | |
| HORIZON DEMOLITION AND EXCAVATING LTD. | — | BC1322933 | 2021-09-04 | Inactive | |
| HORIZON DENTAL CENTRE | — | FM0299961 | 2001-04-19 | Active | |
| HORIZON DENTAL CLINIC | — | FM0618216 | 2013-10-08 | Active | |
| HORIZON DENTAL LABORATORY INC. | — | BC0305797 | 1986-03-10 | Inactive | |
| HORIZON DESIGN | — | FM0059783 | 1985-03-18 | Active | |
| HORIZON DESIGN SOLUTIONS | — | FM1056621 | 2024-09-23 | Active | |
| HORIZON DESIGNS | — | FM0220369 | 1997-05-27 | Active | |
| HORIZON DEVELOPMENT & HOLDING CO. LTD. | — | BC0114881 | 1973-01-15 | Inactive | |
| HORIZON DEVELOPMENTS LTD. | — | BC0404606 | 1991-04-22 | Inactive | |
| HORIZON DEVELOPMENTS LTD. | — | BC0968606 | 2013-05-01 | Active | |
| HORIZON DIAGNOSTICS INC. | — | BC0540085 | 1997-04-04 | Inactive | |
| HORIZON DIAMONDS | — | FM0501606 | 2009-05-04 | Active | |
| HORIZON DIESEL TRUCK & TRAILER SERVICES LTD. | — | BC0955040 | 2012-11-13 | Active | |
| HORIZON DIGITAL SOLUTIONS LTD. | — | BC1266811 | 2020-09-23 | Inactive | |
| HORIZON DIGITAL VENTURES INC. | — | BC1344056 | 2022-01-21 | Inactive | |
| HORIZON DIMENSIONS TECHNOLOGY CORP. | — | BC0762240 | 2006-06-30 | Inactive | |
| HORIZON DISTRIBUTIONS LTD. | — | BC1310802 | 2021-06-17 | Active | |
| HORIZON DISTRIBUTORS LTD. | — | BC0833843 | 2008-09-01 | Inactive | |
| HORIZON DISTRIBUTORS LTD. | — | BC0514676 | 1996-02-28 | Inactive | |
| HORIZON DISTRIBUTORS LTD. | — | BC1263431 | 2020-09-01 | Inactive | |
| HORIZON DISTRIBUTORS LTD. | — | BC1376505 | 2022-09-01 | Inactive | |
| HORIZON DISTRIBUTORS LTD. | — | BC1220854 | 2019-09-01 | Inactive | |
| HORIZON DOOR INC. | — | BC0721697 | 2005-04-13 | Inactive | |
| HORIZON DRAFTING AND DESIGN | — | FM0523344 | 2010-03-01 | Active | |
| HORIZON DRILLING | — | FM0597105 | 2012-12-10 | Active | |
| HORIZON DRILLING INC. | — | A0064302 | 2005-02-04 | Inactive | |
| HORIZON DRILLING INC. | — | A0081448 | 2010-10-14 | Inactive | |
| HORIZON DRILLING INC. | — | A0080685 | 2010-07-22 | Inactive | |
| HORIZON DRILLING INC. | — | A0076054 | 2008-12-02 | Inactive | |
| HORIZON DRIVING SCHOOL | — | FM0334881 | 2002-11-18 | Active | |
| HORIZON DRIVING SCHOOL | — | FM0855688 | 2021-08-18 | Active | |
| HORIZON DRIVING SCHOOL LTD. | — | BC1349198 | 2022-02-22 | Active | |
| HORIZON DRONES | — | FM0819689 | 2020-10-10 | Active | |
| HORIZON DRYWALL (INTERIOR) LTD. | — | BC1483841 | 2024-05-30 | Active | |
| HORIZON DRYWALL LTD. | — | BC1250103 | 2020-05-13 | Active | |
| HORIZON EAST INTERNATIONAL CONSULTING CORP. | — | BC0555949 | 1997-12-15 | Active | |
| HORIZON ECO BUILDERS | — | FM0775827 | 2019-05-02 | Inactive | |
| HORIZON ECO BUILDERS INC. | — | BC1312490 | 2021-06-25 | Active | |
| HORIZON ECOLEASES.CA | — | FM0608600 | 2013-05-29 | Active | |
| HORIZON ECOPLANNING GROUP INC. | — | A0062830 | 2004-07-19 | Active | |
| HORIZON EDGE CORPORATE SOLUTIONS INC. | — | BC0826770 | 2008-06-03 | Inactive | |
| HORIZON EDU & IT SERVICES | — | FM0334841 | 2002-11-15 | Active | |
| HORIZON EDUCATION CONSULTANTS | — | FM0803167 | 2020-04-08 | Active | |
| HORIZON EDUCATION INTERNATIONAL LTD. | — | BC0872714 | 2010-02-01 | Inactive | |
| HORIZON EDUCATION SERVICE | — | FM0499453 | 2009-04-03 | Active | |
| HORIZON ELECTRIC INC. | — | C1534601 | 2025-04-07 | Active | |
| HORIZON ELECTRIC INC. | — | A0033431 | 1991-04-23 | Inactive | |
| HORIZON ELECTRIC LTD. | — | BC0100126 | 1971-05-07 | Inactive | |
| HORIZON ELECTRONIC CENTRE LIMITED | — | BC0502405 | 1995-08-14 | Inactive | |
| HORIZON ELECTRONICS | — | FM0180226 | 1995-05-31 | Active | |
| HORIZON ELECTRONICS | — | FM0367633 | 2004-03-12 | Active | |
| HORIZON ENERGETICS | — | FM0854265 | 2021-07-29 | Active | |
| HORIZON ENERGY EXCHANGE INC. | — | BC1472013 | 2024-03-21 | Active | |
| HORIZON ENERGY SYSTEMS | — | FM0712281 | 2017-03-07 | Active | |
| HORIZON ENGINEERING INC. | — | BC0541512 | 1997-04-24 | Inactive | |
| HORIZON ENTERPRISE HOLDINGS LTD. | — | BC1189446 | 2018-12-07 | Inactive | |
| HORIZON ENTERPRISES | — | FM0152269 | 1993-11-16 | Inactive | |
| HORIZON ENTERPRISES CANADA INC. | — | BC1604560 | 2026-08-19 | Active | |
| HORIZON ENTERPRISES LTD. | — | BC0542873 | 1997-05-14 | Inactive | |
| HORIZON ENTERPRISES LTD. | — | BC0080550 | — | Inactive | |
| HORIZON ENTERPRISES LTD. | — | BC0698531 | 2004-06-25 | Inactive | |
| HORIZON ENTERPRISES LTD. | — | BC1146416 | 2017-12-22 | Active | |
| HORIZON ENTERTAINMENT LTD. | — | BC0034624 | 1955-08-31 | Inactive | |
| HORIZON ENVIRONMENTAL INC. | — | BC0524235 | 1996-07-25 | Inactive | |
| HORIZON EQUINE FACILITY | — | FM0313504 | 2001-12-06 | Active | |
| HORIZON EQUINE VETERINARY CLINIC LTD. | — | BC1332142 | 2021-11-05 | Active | |
| HORIZON EQUIPMENT & RENTALS LTD. | — | BC0076662 | 1967-11-07 | Inactive | |
| HORIZON ESSENTIALS INC. | — | BC1197100 | 2019-02-08 | Inactive | |
| HORIZON ESTATES LTD. | — | BC0078343 | 1968-02-28 | Inactive | |
| HORIZON EVTOL AIRCRAFT LIMITED | — | BC1424349 | 2023-06-28 | Active | |
| HORIZON EXCAVATION | — | FM0476340 | 2008-04-27 | Active | |
| HORIZON EXHIBITS INC. | — | A0019496 | 1982-05-05 | Inactive | |
| HORIZON EXP-IMP INC. | — | BC0292636 | 1985-05-16 | Inactive | |
| HORIZON EXPEDITING INC. | — | BC0681528 | 2003-11-20 | Inactive | |
| HORIZON EXPORTS INC. | — | BC1089632 | 2016-09-15 | Inactive | |
| HORIZON EXTERIOR MAINTENANCE | — | FM0739746 | 2018-02-08 | Active | |
| HORIZON FACILITIES INC. | — | BC0816722 | 2008-02-15 | Active | |
| HORIZON FAMILY HEALTH CENTER | — | FM1063643 | 2025-01-02 | Active | |
| HORIZON FENCE & PATIO CONSTRUCTION LTD. | — | BC1416442 | 2023-05-15 | Active | |
| HORIZON FIBERGLASS PRODUCTS | — | FM0034879 | 1980-08-28 | Active | |
| HORIZON FILMS LIMITED | — | BC0119142 | — | Inactive | |
| HORIZON FINANCIAL CONSULTING SERVICE COMPANY | — | FM0612764 | 2013-07-23 | Active | |
| HORIZON FINANCIAL SERVICES LTD. | — | BC0289560 | 1985-03-12 | Inactive | |
| HORIZON FIRE PROTECTION LTD. | — | BC0269929 | 1983-10-13 | Inactive | |
| HORIZON FIRST AID TRAINING | — | FM0632048 | 2014-04-17 | Active | |
| HORIZON FLAME HOLDINGS LTD. | — | BC1554751 | 2025-08-28 | Active | |
| HORIZON FLOOR SOLUTIONS LTD. | — | BC1591266 | 2026-05-20 | Active | |
| HORIZON FOOD IMPORTERS | — | FM0135183 | 1992-09-29 | Active | |
| HORIZON FOODS | — | FM0007466 | 1971-01-29 | Active | |
| HORIZON FOODS INC. | — | BC0974196 | 2013-07-01 | Inactive | |
| HORIZON FOODS TRADING | — | FM0191852 | 1996-01-03 | Active | |
| HORIZON FORCE TRANSPORTATION LTD. | — | BC1403645 | 2023-03-05 | Active | |
| HORIZON FOREST MANAGEMENT | — | FM0290845 | 2000-11-09 | Active | |
| HORIZON FOREST MANAGEMENT | — | FM0268116 | 1999-10-13 | Inactive | |
| HORIZON FOREST PRODUCTS LTD. | — | A0012411 | — | Inactive | |
| HORIZON FORMWORKS LTD. | — | BC1270395 | 2020-10-19 | Inactive | |
| HORIZON FRAMING | — | FM0463146 | 2007-10-28 | Active | |
| HORIZON FREIGHT SYSTEM, INC. | — | A0065501 | 2005-07-12 | Active | |
| HORIZON FUEL SYSTEMS INC. | — | BC1179443 | 2018-09-14 | Inactive | |
| HORIZON FUNDING PAYMENT MANAGEMENT SERVICES INC. | — | BC1425380 | 2023-07-03 | Active | |
| HORIZON FX INVESTMENTS INCORPORATED | — | BC0765729 | 2006-08-10 | Inactive | |
| HORIZON FX INVESTMENTS LIMITED PARTNERSHIP | — | LP0433031 | 2006-09-11 | Active | |
| HORIZON GASFIELDS LTD. | — | A0063847 | 2004-12-08 | Inactive | |
| HORIZON GENERAL TRADING | — | FM0811409 | 2020-07-17 | Active | |
| HORIZON GENOMED THERAPEUTICS INC. | — | BC0953466 | 2012-10-24 | Active | |
| HORIZON GEOTECHNICAL LTD. | — | BC0505686 | 1995-10-06 | Active | |
| HORIZON GIFT SHOP | — | FM0001696 | 1967-10-23 | Active | |
| HORIZON GIFTS | — | FM0424607 | 2006-05-16 | Active | |
| HORIZON GLASS | — | FM0310593 | 2001-10-22 | Active | |
| HORIZON GLASS LIMITED | — | BC0377585 | 1989-12-05 | Inactive | |
| HORIZON GLASS LTD. | — | BC0638713 | 2001-12-11 | Active | |
| HORIZON GLOBAL ENTERPRISE LTD. | — | BC0941764 | 2012-05-29 | Inactive | |
| HORIZON GLOBAL INVESTMENT FUND MANAGEMENT CO. LTD. | — | BC1198296 | 2019-02-21 | Inactive | |
| HORIZON GLOBAL MARKET LTD. | — | BC1448499 | 2023-11-07 | Active | |
| HORIZON GLOBAL MOBILITY MEXICO INC. | — | BC1595855 | 2026-06-17 | Active | |
| HORIZON GLOBAL TRADING | — | FM0520354 | 2010-01-23 | Active | |
| HORIZON GLOBAL TRADING LTD. | — | BC1586637 | 2026-04-16 | Active | |
| HORIZON GOLD CORP. | — | BC1589283 | 2026-05-05 | Active | |
| HORIZON GOLF ASSOCIATION | — | S0058781 | 2011-09-07 | Inactive | |
| HORIZON GRANITE | — | FM0869579 | 2022-02-04 | Active | |
| HORIZON GRANITE LTD. | — | BC1364101 | 2022-05-24 | Inactive | |
| HORIZON GRID CONSULTING LTD. | — | BC1105201 | 2017-01-26 | Active | |
| HORIZON GRIEF CENTRE SOCIETY | — | S0078153 | 2023-05-01 | Inactive | |
| HORIZON GROUP BUSINESS RESOURCES LTD. | — | BC0514106 | 1996-02-20 | Inactive | |
| HORIZON GROUP TRADING LTD. | — | BC0738730 | 2005-10-26 | Inactive | |
| HORIZON GROWTH STRATEGIES CORP. | — | BC0028532 | 1952-04-07 | Active | |
| HORIZON HAND THERAPY CORP. | — | BC1399944 | 2023-02-08 | Active | |
| HORIZON HARDWARE INC. | — | BC1385900 | 2022-11-08 | Active | |
| HORIZON HARVEST FARM LTD. | — | BC1488697 | 2024-06-22 | Active | |
| HORIZON HARVESTING | — | FM1027299 | 2023-10-07 | Active | |
| HORIZON HATCHERY LTD. | — | BC0163253 | 1977-06-28 | Inactive | |
| HORIZON HAULING & GARDENING | — | FM0177404 | 1995-03-30 | Active | |
| HORIZON HEALING COUNSELLING COLLECTIVE INCORPORATED | — | BC1544199 | 2025-06-15 | Active | |
| HORIZON HEALTH CARE LTD. | — | BC1105191 | 2017-01-26 | Active | |
| HORIZON HEALTH CENTRE | — | FM0065726 | 1985-12-19 | Active | |
| HORIZON HEALTHOLOGY LTD. | — | BC0167817 | 1977-11-10 | Inactive | |
| HORIZON HEATING, PLUMBING & MECHANICAL LTD. | — | BC0240366 | 1981-08-05 | Inactive | |
| HORIZON HEIGHT HOLDINGS LTD. | — | BC1142135 | 2017-11-22 | Active | |
| HORIZON HELICOPTERS INC. | — | BC0178271 | 1978-07-25 | Inactive | |
| HORIZON HERITAGE FARM | — | FM0269920 | 1999-11-12 | Active | |
| HORIZON HOLDING CORP. | — | BC0546376 | 1997-07-09 | Active | |
| HORIZON HOLDINGS LIMITED | — | BC0049749 | — | Inactive | |
| HORIZON HOLDINGS LTD. | — | BC0380987 | 1990-01-30 | Inactive | |
| HORIZON HOME AND OFFICE SERVICE CO. LTD. | — | BC0365489 | 1989-05-09 | Inactive | |
| HORIZON HOME BUYERS LTD. | — | BC0707347 | 2004-10-28 | Active | |
| HORIZON HOME HEALTH CARE INC. | — | BC0467796 | 1994-03-02 | Inactive | |
| HORIZON HOME SUPPORT LTD. | — | BC0606675 | 2000-05-10 | Inactive | |