| DUKE MILLWRIGHTING SERVICES | — | FM0630124 | 2014-03-26 | Active | |
| DUKE MINING LTD. (N.P.L.) | — | BC0245961 | 1981-11-30 | Inactive | |
| DUKE MINING LTD. (N.P.L.) | — | BC0074752 | 1967-06-13 | Inactive | |
| DUKE MONTANE FINANCIAL INC. | — | BC1015167 | 2014-10-01 | Active | |
| DUKE MOTORSPORTS | — | FM0226156 | 1997-09-05 | Active | |
| DUKE MOUNTAIN RESOURCES CANADA, INC. | — | BC0803331 | 2007-09-21 | Inactive | |
| DUKE OF BURNABY TAXI SERVICE | — | FM0153905 | 1993-12-20 | Active | |
| DUKE OF DUBLIN OLDE IRISH PUB INC. | — | BC0792262 | 2007-05-25 | Inactive | |
| DUKE OF DUBLIN SOCIAL HOUSE BAR N GRILL | — | FM0504106 | 2009-06-03 | Active | |
| DUKE OF WELLINGTON HOLDING CORP. | — | BC0204488 | 1980-02-13 | Inactive | |
| DUKE ON DUNBAR MANAGEMENT LTD. | — | BC0842002 | 2008-12-19 | Inactive | |
| DUKE PAINTING LTD. | — | BC0667051 | 2003-04-02 | Inactive | |
| DUKE PARK DENTURE CLINIC & LABORATORY LTD. | — | BC1140480 | 2017-11-07 | Active | |
| DUKE POINT AUTO RECYCLERS LTD. | — | BC0455074 | 1993-09-24 | Active | |
| DUKE POINT CUSTOM LOG SORT LTD. | — | BC0562143 | 1998-03-31 | Inactive | |
| DUKE POINT HOLDINGS LIMITED | — | BC0280715 | 1984-07-20 | Inactive | |
| DUKE POINT II CORP. | — | A0115376 | 2020-11-09 | Inactive | |
| DUKE POINT INDUSTRIES LTD. | — | BC0368293 | 1989-06-27 | Inactive | |
| DUKE POINT INVESTMENTS LTD. | — | BC0169884 | 1978-01-12 | Inactive | |
| DUKE POINT LODGE LTD. | — | BC0235483 | 1981-05-26 | Inactive | |
| DUKE POINT MARINE SERVICES LTD. | — | BC0788588 | 2007-04-18 | Inactive | |
| DUKE POINT POWER LIMITED PARTNERSHIP | — | XP0384171 | 2004-11-09 | Inactive | |
| DUKE POINT PROPERTY COMPANY | — | A0063570 | 2004-10-28 | Inactive | |
| DUKE POINT PROPERTY COMPANY ULC | — | C0927756 | 2011-12-15 | Active | |
| DUKE POINT REMAN LTD. | — | BC0495088 | 1995-04-21 | Inactive | |
| DUKE POINT SHAKE & SHINGLE LTD. | — | BC0575934 | 1998-12-01 | Inactive | |
| DUKE POINT TERMINALS LTD. | — | BC0167807 | 1977-11-08 | Inactive | |
| DUKE PRESS INC. | — | BC0633628 | 2001-09-07 | Inactive | |
| DUKE PROPERTY MANAGEMENT | — | FM1071669 | 2025-03-26 | Active | |
| DUKE PROPERTY MANAGEMENT | — | FM0491176 | 2008-11-29 | Active | |
| DUKE REFRIGERATION & H.V.A.C. LTD. | — | BC0520681 | 1996-05-27 | Active | |
| DUKE RENOVATION | — | FM0376263 | 2004-07-09 | Active | |
| DUKE RENTALS CORP | — | A0114683 | 2020-09-17 | Active | |
| DUKE RESIDENCE SOCIETY | — | S0013991 | 1978-06-16 | Inactive | |
| DUKE RESOURCES LTD. | — | BC0525420 | 1996-08-16 | Inactive | |
| DUKE ROOFING CO. | — | FM0880248 | 2022-05-14 | Active | |
| DUKE SEABRIDGE LIMITED | — | A0007964 | 1968-04-18 | Inactive | |
| DUKE SERVICES LTD. | — | BC0976804 | 2013-08-01 | Active | |
| DUKE SERVICES LTD. | — | BC0487743 | 1995-01-09 | Inactive | |
| DUKE TRADING INC. | — | BC0472037 | 1994-05-02 | Inactive | |
| DUKE VENTURES LTD. | — | BC0260422 | 1983-02-18 | Inactive | |
| DUKE VENTURES LTD. | — | BC0267293 | 1983-08-03 | Inactive | |
| DUKE WALKER CLEANING PROS LTD. | — | BC1567895 | 2025-12-14 | Active | |
| DUKE WELDING LTD. | — | BC0878293 | 2010-04-12 | Inactive | |
| DUKE WEST HOLDINGS | — | FM0035755 | 1980-11-25 | Active | |
| DUKE YARDS LTD. | — | BC0198193 | 1979-10-10 | Inactive | |
| DUKE ZENITH HOLDINGS LTD. | — | BC1322804 | 2021-09-03 | Active | |
| DUKE'S AIR SERVICE LTD. | — | BC0485085 | 1994-11-29 | Inactive | |
| DUKE'S BUILDING SERVICES | — | FM0415496 | 2006-01-25 | Active | |
| DUKE'S BUILDING SERVICES LTD. | — | BC0757973 | 2006-05-17 | Active | |
| DUKE'S BULLDOZING LTD. | — | BC0225918 | 1981-02-03 | Inactive | |
| DUKE'S CALECHE WORKS | — | FM0099498 | 1989-07-25 | Active | |
| DUKE'S COFFEE & BAKING CO. | — | FM0178426 | 1995-04-24 | Active | |
| DUKE'S CONTINENTAL FOODS LTD. | — | BC0101323 | 1971-06-30 | Inactive | |
| DUKE'S CONTRACTING | — | FM0367356 | 2004-03-09 | Active | |
| DUKE'S CONTRACTING (1977) LTD | — | BC0159396 | 1977-03-21 | Inactive | |
| DUKE'S DISPOSAL | — | FM0826803 | 2020-12-09 | Active | |
| DUKE'S DISPOSAL | — | FM0357036 | 2003-10-08 | Active | |
| DUKE'S DISTRIBUTION INC. | — | BC0556323 | 1997-12-22 | Inactive | |
| DUKE'S DISTRIBUTION INC. | — | BC0867915 | 2009-12-03 | Active | |
| DUKE'S DOCKSIDE GRILL | — | FM0337526 | 2003-01-03 | Active | |
| DUKE'S DOGS | — | FM0522905 | 2010-02-23 | Active | |
| DUKE'S ENTERPRISES INC. | — | BC0609402 | 2000-06-21 | Inactive | |
| DUKE'S FILM INC. | — | BC1418371 | 2023-05-26 | Active | |
| DUKE'S FINE ICE CREAM LTD. | — | BC1179694 | 2018-09-17 | Active | |
| DUKE'S FLIES | — | FM0061645 | 1985-06-03 | Active | |
| DUKE'S GOURMET COOKIES | — | FM0052049 | 1984-02-13 | Active | |
| DUKE'S GOURMET COOKIES & CAPPUCCINO | — | FM0509113 | 2009-08-17 | Active | |
| DUKE'S GOURMET COOKIES (B.C.) INC. | — | BC0259425 | 1983-01-27 | Inactive | |
| DUKE'S HAVEN HOLDING CORP. | — | BC1392386 | 2022-12-20 | Active | |
| DUKE'S KAR KLUB | — | S0007467 | 1966-08-17 | Inactive | |
| DUKE'S LIQUOR STORE | — | FM0716017 | 2017-04-17 | Active | |
| DUKE'S LIQUOR STORE LTD. | — | BC1290207 | 2021-02-22 | Active | |
| DUKE'S MARINA | — | FM0202509 | 1996-07-04 | Inactive | |
| DUKE'S MARINA LTD. | — | BC0841856 | 2008-12-18 | Active | |
| DUKE'S METAL INDUSTRIES LTD. | — | A0126233 | 2023-01-28 | Active | |
| DUKE'S NORTHSHORE (GEORGIAN) INC. | — | A0070774 | 2007-04-05 | Inactive | |
| DUKE'S ON SITE TRUCKING | — | FM0331253 | 2002-09-24 | Active | |
| DUKE'S PALACE HOT POT RESTAURANT LTD. | — | BC0746800 | 2006-01-25 | Inactive | |
| DUKE'S PALACE SEAFOOD HOTPOT RESTAURANT LTD. | — | BC0580385 | 1999-02-19 | Inactive | |
| DUKE'S PLACE CHINESE SEAFOOD RESTAURANT LTD. | — | BC0373794 | 1989-10-04 | Inactive | |
| DUKE'S PLACE INTERNATIONAL ENTERPRISES LTD. | — | BC0391462 | 1990-07-31 | Inactive | |
| DUKE'S PONY EXPRESS | — | FM0040348 | 1981-12-08 | Active | |
| DUKE'S TRANSPORT LTD. | — | A0045011 | 1997-05-08 | Inactive | |
| DUKE'S WIRE MESH SUPPLY SERVICES LTD. | — | BC1133931 | 2017-09-14 | Active | |
| DUKE'S YACHT SALES | — | FM0202463 | 1996-07-03 | Active | |
| DUKEDOM ENTERPRISES | — | FM0284124 | 2000-07-11 | Active | |
| DUKEDOM MUSIC & PUBLISHING | — | FM0415534 | 2006-01-25 | Active | |
| DUKEDOM STUDIOS LTD. | — | BC1289795 | 2021-02-19 | Active | |
| DUKEDOM STUDIOS LTD. | — | BC1029861 | 2015-03-09 | Inactive | |
| DUKELOW CONTRACTING INC. | — | BC0622490 | 2001-02-16 | Active | |
| DUKEMAN HOLDINGS LTD. | — | BC1015415 | 2014-10-02 | Active | |
| DUKENUNA ENTERPRISE | — | FM1025660 | 2023-09-13 | Active | |
| DUKEPOINT TRANSLOAD LTD. | — | BC0940552 | 2012-05-15 | Inactive | |
| DUKER ENTERPRISES INC. | — | BC1153220 | 2018-02-17 | Active | |
| DUKER REAL ESTATE CONSULTING | — | FM0606360 | 2013-04-26 | Active | |
| DUKER SOUTH HILL FLORIST | — | FM0009080 | 1971-12-03 | Active | |
| DUKER SOUTH HILL FLORIST LTD. | — | BC0254337 | 1982-08-26 | Inactive | |
| DUKEROCK HOLDINGS LTD. | — | BC1182373 | 2018-10-09 | Active | |
| DUKES & DUCHESS HAIR STUDIO | — | FM0545006 | 2010-12-13 | Active | |
| DUKES AND BRADSHAW LIMITED | — | BC0028115 | 1951-12-08 | Inactive | |
| DUKES AND BRADSHAW MECHANICAL LTD. | — | BC0201747 | 1979-12-19 | Inactive | |
| DUKES AND DIVAS DOG DAYCARE | — | FM0565642 | 2011-09-13 | Active | |
| DUKES CARPENTRY LTD. | — | BC1446642 | 2023-10-27 | Active | |
| DUKES DYNASTY | — | FM1016856 | 2023-05-17 | Active | |
| DUKES ERRANDS ETC. AND DELIVERY SERVICES | — | FM0427702 | 2006-06-24 | Inactive | |
| DUKES GOURMET COOKIES | — | FM0096740 | 1989-04-20 | Active | |
| DUKES HEATING SERVICES LTD. | — | BC0162299 | 1977-06-03 | Inactive | |
| DUKES LIMITED | — | BC0004493 | — | Inactive | |
| DUKES OF CALGARY HOLDINGS LTD. | — | A0019981 | — | Inactive | |
| DUKES OF DIAPERS | — | FM0670875 | 2015-09-25 | Active | |
| DUKES OF TILE | — | FM0528739 | 2010-05-07 | Active | |
| DUKES ON BROADWAY CAFE | — | FM0642507 | 2014-09-12 | Active | |
| DUKES ON BROADWAY CAFE LTD. | — | BC0822564 | 2008-04-17 | Inactive | |
| DUKES PHYSIO | — | FM0885813 | 2022-07-13 | Active | |
| DUKES VENDING SERVICES | — | FM0328686 | 2002-08-09 | Active | |
| DUKES YOUTH HEALING CENTRE | — | S0040488 | 1999-09-20 | Inactive | |
| DUKES' MOBILE SMALL ENGINE REPAIR | — | FM0133915 | 1992-08-26 | Active | |
| DUKESTEAD TRANSPORT LTD. | — | A0045783 | 1997-09-16 | Inactive | |
| DUKESTER HOLDINGS LTD. | — | BC0812677 | 2007-12-31 | Inactive | |
| DUKESTER HOLDINGS LTD. | — | BC1191568 | 2019-01-01 | Active | |
| DUKETEM GOODS LIMITED | — | BC1405412 | 2023-03-14 | Inactive | |
| DUKEVIEW DEVELOPMENT LTD. | — | BC1320048 | 2021-08-17 | Active | |
| DUKEVIEW IMMIGRATION SOLUTIONS INC. | — | A0124769 | 2022-10-03 | Active | |
| DUKKAN.COM | — | FM0818611 | 2020-09-30 | Active | |
| DUKKANCILAR LAW CORPORATION | — | BC1498915 | 2024-08-27 | Active | |
| DUKKI CONSTRUCTION AND CARPENTRY INC. | — | BC1286751 | 2021-02-01 | Inactive | |
| DUKLEY PROPERTIES INC. | — | BC1051261 | 2015-10-06 | Active | |
| DUKLING ENTERPRISES INC. | — | A0059409 | 2003-05-16 | Inactive | |
| DUKMOODO MARTIAL ART | — | FM0488779 | 2008-10-23 | Active | |
| DUKO CONSTRUCTION | — | FM0470959 | 2008-02-20 | Active | |
| DUKO DESIGNS | — | FM0364950 | 2004-02-08 | Active | |
| DUKS MEDIA | — | FM0832398 | 2021-02-11 | Active | |
| DUKS MEDIA INC. | — | BC1440309 | 2023-09-20 | Active | |
| DUKSEL GAMES INC. | — | BC1495225 | 2024-08-02 | Active | |
| DUKZINARO DESIGNS | — | FM0660918 | 2015-05-19 | Active | |
| DUL ENTERPRISES LTD. | — | BC0322568 | 1987-02-27 | Inactive | |
| DUL'KWAH-YAZ EARTHWORKS LTD. | — | BC1355940 | 2022-03-30 | Active | |
| DUL'KWAH-YAZ WOOD PRODUCTS LTD. | — | BC0654768 | 2002-09-17 | Inactive | |
| DULAI BROS. HOMES & DEVELOPMENT LTD. | — | BC0797485 | 2007-07-19 | Inactive | |
| DULAI CEDAR SHAKE & SHINGLE CO. LTD. | — | BC0439959 | 1993-01-28 | Inactive | |
| DULAI DRYWALL LTD. | — | BC1341795 | 2022-01-08 | Active | |
| DULAI FARMING | — | FM0155747 | 1994-02-14 | Active | |
| DULAI FREIGHTWAYS | — | FM0324247 | 2002-05-30 | Active | |
| DULAI HOLDINGS LTD. | — | BC0658000 | 2002-11-05 | Inactive | |
| DULAI LANDSCAPING & GARDENING | — | FM0263095 | 1999-07-21 | Active | |
| DULAI LANDSCAPING AND LAWN SPRINKLERS LTD. | — | BC0894403 | 2010-11-02 | Active | |
| DULAI PAINTING | — | FM0219851 | 1997-05-13 | Active | |
| DULAI PLUMBING HEATING & RENOVATION LTD. | — | BC1102437 | 2017-01-02 | Active | |
| DULAI ROOFING LTD. | — | BC0355771 | 1988-12-02 | Active | |
| DULAI STUCCO CONTRACTING LTD. | — | BC0340716 | 1988-02-16 | Inactive | |
| DULAI TRANSPORT LTD. | — | BC1320326 | 2021-08-18 | Active | |
| DULALO PROPERTIES LIMITED | — | BC0667245 | 2003-04-04 | Inactive | |
| DULAM FINANCE LTD. | — | BC0133376 | 1974-12-11 | Inactive | |
| DULAN IMPORT EXPORT COMPANY | — | FM0231856 | 1997-12-23 | Active | |
| DULAN RESOURCES LTD. | — | A0013450 | 1977-09-21 | Inactive | |
| DULANG PROPERTIES INC. | — | BC0739389 | 2005-11-02 | Active | |
| DULARI'S INTERNATIONAL TRADING INC. | — | BC1140542 | 2017-11-08 | Inactive | |
| DULAT ENTERPRISES INC. | — | BC0774218 | 2006-11-09 | Active | |
| DULAY BRO TRANSPORT LTD. | — | BC1289279 | 2021-02-17 | Active | |
| DULAY BROTHER ENTERPRISE LTD. | — | BC0642927 | 2002-02-26 | Active | |
| DULAY BROTHERS HOMES INC. | — | BC1083172 | 2016-07-18 | Inactive | |
| DULAY CONTRACTING | — | FM0528217 | 2010-05-02 | Active | |
| DULAY CONTRACTORS LTD. | — | BC0529156 | 1996-10-15 | Inactive | |
| DULAY DIAMOND LTD. | — | BC1526390 | 2025-02-12 | Active | |
| DULAY ENTERPRISES LTD. | — | BC0302952 | 1986-01-13 | Inactive | |
| DULAY ESTATES LTD. | — | BC1549666 | 2025-07-24 | Active | |
| DULAY EXTERIOR LTD. | — | BC1497408 | 2024-08-16 | Active | |
| DULAY FOREIGN EXCHANGE | — | FM0304548 | 2001-06-29 | Active | |
| DULAY HARDY & SUNDECK LTD. | — | BC1457882 | 2023-12-28 | Active | |
| DULAY HOMES & DEVELOPMENT LTD. | — | BC1125722 | 2017-07-06 | Active | |
| DULAY HOMES AND CONSTRUCTION LTD. | — | BC0684802 | 2004-01-09 | Inactive | |
| DULAY INDUSTRIAL CENTRE LTD. | — | BC0497744 | 1995-06-02 | Active | |
| DULAY LUMBER CO. LTD. | — | BC0330140 | 1987-07-15 | Inactive | |
| DULAY MASONRY LTD. | — | BC0750451 | 2006-03-01 | Inactive | |
| DULAY PAINTING | — | FM0380130 | 2004-09-09 | Active | |
| DULAY PAINTING SERVICES | — | FM0560927 | 2011-07-06 | Active | |
| DULAY PIZZA LTD. | — | BC0935052 | 2012-03-12 | Inactive | |
| DULAY POWER WASHING | — | FM0739611 | 2018-02-07 | Active | |
| DULAY ROOFING LTD. | — | BC0645161 | 2002-04-05 | Active | |
| DULAY TECH ENTERPRISE PH | — | FM0631357 | 2014-04-09 | Active | |
| DULAY TRUCKING (1982) LTD. | — | BC0251784 | 1982-05-19 | Inactive | |
| DULAY TRUCKING COMPANY LTD. | — | BC0215929 | 1980-09-10 | Inactive | |
| DULAY WORLDWIDE ENTERPRISES LTD. | — | BC0565382 | 1998-05-28 | Active | |
| DULCE AMOR BAKING | — | FM0584974 | 2012-06-05 | Active | |
| DULCE AMOR BEAUTY SERVICES | — | FM0754535 | 2018-08-13 | Active | |
| DULCE BEAUTY INC. | — | BC1243076 | 2020-03-04 | Active | |
| DULCE COOKIE COMPANY | — | FM0376982 | 2004-07-21 | Active | |
| DULCE CREATIONS LTD. | — | BC0908201 | 2011-04-14 | Inactive | |
| DULCE DESIGN | — | FM0290816 | 2000-11-08 | Active | |
| DULCE ENTERPRISES | — | FM0627232 | 2014-02-19 | Inactive | |
| DULCE FLACA F CONFECTIONARY LTD. | — | BC1329615 | 2021-10-22 | Inactive | |
| DULCE HAIR DESIGN | — | FM0673479 | 2015-10-29 | Active | |
| DULCE MARKETING | — | FM0627127 | 2014-02-18 | Active | |
| DULCE NAILS | — | FM0572593 | 2011-12-22 | Active | |
| DULCE PASSION PATISSERIE - BOULANGERIE INC. | — | A0129014 | 2023-08-28 | Inactive | |
| DULCE PERICULUM INVESTMENTS LTD. | — | BC0968556 | 2013-04-26 | Inactive | |
| DULCE SERENITY FARMS JBL | — | FM0829154 | 2021-01-11 | Active | |
| DULCE SWEETS LIMITED | — | BC1242696 | 2020-03-01 | Inactive | |
| DULCE T. OIKAWA BUSINESS CONSULTANTS INC. | — | BC0389673 | 1990-06-27 | Inactive | |