| DONALD R. MINTZ, MD, FRCSC, INC. | — | BC0419333 | 1992-01-31 | Active | |
| DONALD R. ORCHARD, PERSONAL CORPORATION | — | BC0459605 | 1993-12-06 | Active | |
| DONALD R. STEVENSON, SALES AGENCY | — | FM0077591 | 1987-04-16 | Active | |
| DONALD R. TAYLOR AND ASSOCIATES | — | FM0221368 | 1997-06-10 | Active | |
| DONALD R. THONGER HOLDINGS LTD. | — | A0015698 | — | Inactive | |
| DONALD ROBIN & ASSOCIATES LTD. | — | BC0634166 | 2001-09-19 | Inactive | |
| DONALD ROPER PUBLISHING LIMITED | — | BC1179369 | 2018-09-13 | Inactive | |
| DONALD ROPES & WIRE CLOTH LIMITED | — | A0006416 | — | Inactive | |
| DONALD ROSS & CO. LTD. | — | BC0037118 | 1956-08-20 | Inactive | |
| DONALD S. ALLAN, BARRISTER & SOLICITOR, NOTARY PUBLIC | — | FM0172101 | 1994-12-20 | Active | |
| DONALD S. BOYLE PERSONAL LAW CORPORATION | — | BC0382622 | 1990-02-23 | Inactive | |
| DONALD S. TAYLOR LAW CORPORATION INC. | — | BC0870672 | 2010-01-07 | Inactive | |
| DONALD S. WOOD INCORPORATED | — | BC0583156 | 1999-04-09 | Inactive | |
| DONALD SAYNOR ASSOCIATES LIMITED | — | BC0167876 | 1977-11-09 | Inactive | |
| DONALD SCHROEDER LTD. | — | BC0468143 | 1994-03-04 | Inactive | |
| DONALD STATION CAFE | — | FM0214636 | 1997-02-19 | Active | |
| DONALD STEVEN BELLIVEAU ENTERTAINMENT, INC. | — | A0080987 | 2010-08-25 | Inactive | |
| DONALD STUART TRANSPORT LTD. | — | BC0244877 | 1981-11-03 | Inactive | |
| DONALD T. FERRIS MANAGEMENT LTD. | — | C0991454 | 2014-01-20 | Active | |
| DONALD T. MCCLEAN LTD. | — | BC0159227 | 1977-03-16 | Inactive | |
| DONALD T. WOOD - CONSULTANT | — | FM0099844 | 1989-08-08 | Active | |
| DONALD TAIT SALES INC. | — | BC0217428 | 1980-10-03 | Inactive | |
| DONALD TAXI LTD. | — | BC0128628 | 1974-06-03 | Inactive | |
| DONALD THOMPSON NAVIGATION (1985) LIMITED | — | BC0299957 | 1985-11-01 | Inactive | |
| DONALD THOMSON CONTRACTING LTD. | — | BC1219336 | 2019-08-12 | Active | |
| DONALD TOEWS INSTALLATIONS | — | FM0577401 | 2012-02-28 | Active | |
| DONALD TRAILER COURT LTD. | — | BC0100593 | 1971-05-31 | Inactive | |
| DONALD W. BEGG CONST. CO. LTD. | — | BC0041743 | — | Inactive | |
| DONALD W. MATHIESON PROFESSIONAL CORPORATION | — | A0051445 | 2000-03-08 | Inactive | |
| DONALD W. MULDOON LAW CORPORATION | — | BC0358829 | 1989-01-30 | Active | |
| DONALD W. SCHEIDEMAN HOLDINGS INC. | — | BC0577822 | 1999-01-07 | Active | |
| DONALD W. SCOTT INC. | — | BC0327874 | 1987-06-09 | Active | |
| DONALD W. SKOGSTAD PERSONAL LAW CORPORATION | — | BC0394834 | 1990-10-11 | Inactive | |
| DONALD W. SMETHERAM LTD. | — | BC0680324 | 2003-10-31 | Active | |
| DONALD W. TAYLOR ARCHITECT INC. | — | BC0585370 | 1999-05-14 | Inactive | |
| DONALD WATSON ENTERPRISES INC. | — | BC0395180 | 1990-10-19 | Inactive | |
| DONALD WATSON ENTERPRISES LTD. | — | BC0149072 | 1976-05-25 | Inactive | |
| DONALD WEBB-LANDSHAPES-GARDEN ARCHITECTURE | — | FM0034913 | 1980-09-02 | Active | |
| DONALD WHOLESALE AGENCIES LTD. | — | BC0138222 | 1975-06-05 | Inactive | |
| DONALD WILFRED DAVIS T/A DON DAVIS INSURANCE AGENCIES | — | FM0001361 | 1967-07-31 | Active | |
| DONALD WILLIAM BOBERT LAW CORPORATION | — | BC0556168 | 1997-12-18 | Active | |
| DONALD WILLIAM BROOKS ENTERPRISES LTD. | — | C0636744 | 2001-11-02 | Inactive | |
| DONALD WILLIAM CARLE ASSOCIATES INC. | — | BC0369606 | 1989-07-20 | Inactive | |
| DONALD WINTERS FALLING | — | FM0419266 | 2006-03-13 | Active | |
| DONALD WINTERS FALLING LTD. | — | BC0783247 | 2007-02-20 | Inactive | |
| DONALD WOOLSEY MINES LIMITED (NON-PERSONAL LIABILITY) | — | BC0011764 | — | Inactive | |
| DONALD YOUNG BOOKS | — | FM0145203 | 1993-06-10 | Active | |
| DONALD'S ENDLESS BELTING CO. LTD. | — | BC0237718 | 1981-06-23 | Inactive | |
| DONALD'S FINE FOODS | — | FM0350282 | 2003-06-24 | Active | |
| DONALD'S HOME INC. | — | BC0955175 | 2012-11-14 | Active | |
| DONALD'S INNOVATIONS AND REPAIRS | — | FM0621007 | 2013-11-19 | Active | |
| DONALD'S LANDSCAPES AND TICONDEROGA ENTERPRISES LTD. | — | BC1017238 | 2014-10-24 | Inactive | |
| DONALD'S MACHINE WORKS LTD. | — | BC0333009 | 1987-09-10 | Inactive | |
| DONALD'S MACHINE WORKS LTD. | — | BC0921541 | 2011-10-01 | Active | |
| DONALD'S MARKET (BURNABY) LTD. | — | BC1531991 | 2025-03-19 | Active | |
| DONALD'S MARKET HOLDINGS LTD. | — | BC1041794 | 2015-07-03 | Active | |
| DONALD'S MARKET LTD. | — | BC0442059 | 1993-03-02 | Active | |
| DONALD'S MEAT DISTRIBUTION | — | FM0351807 | 2003-07-17 | Active | |
| DONALD'S PAINTING AND RENOVATIONS LTD. | — | BC0536076 | 1997-02-04 | Inactive | |
| DONALD'S PAINTING/RENOVATIONS | — | FM0203973 | 1996-08-01 | Active | |
| DONALD'S RESTAURANT | — | FM0007565 | 1970-11-02 | Inactive | |
| DONALD'S RESTAURANT LTD. | — | BC0097111 | — | Inactive | |
| DONALD'S RESTAURANT LTD. | — | BC0396226 | 1990-11-08 | Inactive | |
| DONALD-FREDERICK ENTERPRISES LTD. | — | BC0041090 | — | Inactive | |
| DONALD-GORDON'S TARTANTOWN LTD. | — | BC1272315 | 2020-11-01 | Active | |
| DONALD-GORDON'S TARTANTOWN LTD. | — | BC0152323 | 1976-08-30 | Inactive | |
| DONALD-HAVERTY DESIGN GROUP | — | FM0168501 | 1994-10-17 | Active | |
| DONALDA HOLDINGS LTD. | — | BC0400935 | 1991-02-07 | Inactive | |
| DONALDA SALES AND MARKETING B.C. LTD. | — | BC0198803 | 1979-10-22 | Inactive | |
| DONALDA'S SKIN FITNESS CONSULTING | — | FM0069055 | 1986-04-30 | Active | |
| DONALDO'S FORMWORK | — | FM0762688 | 2018-12-06 | Active | |
| DONALDS DUCTS AND VENTILATION | — | FM0129558 | 1992-04-27 | Active | |
| DONALDSON & JAMES LTD | — | A0085743 | 2012-03-20 | Inactive | |
| DONALDSON AND CO. LIMITED | — | BC0007466 | — | Inactive | |
| DONALDSON BROHMAN MARTIN, CPA INC. | — | BC1189287 | 2018-12-06 | Active | |
| DONALDSON CANADA INC. | — | A0060219 | 2003-09-24 | Active | |
| DONALDSON CAPITAL CORPORATION | — | BC1204396 | 2019-04-08 | Active | |
| DONALDSON CAPITAL CORPORATION | — | BC0527514 | 1996-09-20 | Inactive | |
| DONALDSON CONSTRUCTION LTD. | — | BC0392944 | 1990-09-04 | Active | |
| DONALDSON CONSULTANTS (1992) INC. | — | BC0432408 | 1992-09-17 | Inactive | |
| DONALDSON CONSULTANTS INC. | — | BC0338962 | 1988-01-13 | Inactive | |
| DONALDSON CREEK RANCH INC. | — | BC0123647 | 1973-12-10 | Inactive | |
| DONALDSON DEVELOPMENT LTD. | — | BC1015491 | 2014-10-03 | Inactive | |
| DONALDSON DEVELOPMENT LTD. | — | BC0447715 | 1993-05-27 | Inactive | |
| DONALDSON DIESEL LTD. | — | BC0197706 | 1979-09-28 | Inactive | |
| DONALDSON DRIVE SELF-STORAGE AND SERVICE CENTRE | — | FM0494045 | 2009-01-21 | Active | |
| DONALDSON ENGINEERING LTD. | — | BC0109101 | 1972-05-18 | Inactive | |
| DONALDSON ENTERPRISES LTD. | — | BC0049177 | — | Inactive | |
| DONALDSON ENTERPRISES LTD. | — | BC0237663 | 1981-06-22 | Inactive | |
| DONALDSON FAMILY - BRADNER FARMS | — | FM0539121 | 2010-09-22 | Active | |
| DONALDSON HOLDINGS LTD. | — | BC0071216 | 1966-09-26 | Active | |
| DONALDSON LOGGING LTD. | — | BC0050393 | 1961-05-03 | Inactive | |
| DONALDSON LOSS MANAGEMENT | — | FM0195239 | 1996-03-05 | Active | |
| DONALDSON MANAGEMENT GROUP | — | FM0191619 | 1995-12-21 | Active | |
| DONALDSON MARKET | — | FM0764323 | 2019-01-02 | Active | |
| DONALDSON MCDONALD COMPANY LIMITED | — | BC0002146 | — | Inactive | |
| DONALDSON MECHANICAL LTD. | — | BC0138573 | 1975-06-16 | Inactive | |
| DONALDSON PARTNERS INC. | — | BC0880662 | 2010-05-10 | Active | |
| DONALDSON PHILLIPS AGENCIES LIMITED | — | BC0004870 | — | Inactive | |
| DONALDSON PROPERTIES LTD. | — | BC0284805 | 1984-11-08 | Active | |
| DONALDSON ROPES LTD. | — | BC0648617 | 2002-05-31 | Active | |
| DONALDSON SECURITIES, LTD. | — | BC0078585 | 1968-03-12 | Inactive | |
| DONALDSON TIRE LTD. | — | BC0128633 | 1974-06-03 | Active | |
| DONALDSON VENTURES | — | FM0252414 | 1999-01-22 | Active | |
| DONALDSON VENTURES LTD. | — | BC0791191 | 2007-05-15 | Inactive | |
| DONALDSON WALLACE ENGINEERING INC. | — | BC1098927 | 2016-12-02 | Active | |
| DONALDSON WALLACE ENGINEERING INC. | — | BC1055504 | 2015-11-16 | Inactive | |
| DONALDSON WATER SERVICE | — | FM0142824 | 1993-04-23 | Active | |
| DONALDSON WATER SERVICE LTD. | — | BC0858332 | 2009-08-05 | Inactive | |
| DONALDSON WATER SERVICE LTD. | — | BC0698603 | 2004-06-28 | Inactive | |
| DONALDSON WEST ENTERPRISES | — | FM0408622 | 2005-10-14 | Active | |
| DONALDSON'S DRUG LTD. | — | BC0049751 | 1961-02-10 | Inactive | |
| DONALDSON'S LAND & SNOW | — | FM0409579 | 2005-10-27 | Active | |
| DONALDSON'S MAINTENANCE SERVICE | — | FM0120030 | 1991-06-12 | Active | |
| DONALDSON-SEELY HOLDINGS LTD. | — | BC1156766 | 2018-03-15 | Active | |
| DONALDSPORT ENTERPRISES LTD. | — | BC0958559 | 2012-12-31 | Active | |
| DONALDSPORT ENTERPRISES LTD. | — | BC0750597 | 2006-03-03 | Inactive | |
| DONALDYIM.COM CORPORATION | — | BC1118049 | 2017-05-08 | Active | |
| DONALD_TECH MOBILE SERVICE | — | FM0669881 | 2015-09-14 | Active | |
| DONALEA ENTERPRISES | — | FM0063481 | 1985-08-29 | Inactive | |
| DONALEA FARM DAIRY LIMITED | — | BC0029934 | 1953-03-25 | Inactive | |
| DONALEA INVESTMENTS LIMITED | — | BC0065181 | 1965-06-24 | Inactive | |
| DONALEED INTERNATIONAL AGENCIES LTD. | — | BC0374132 | 1989-10-11 | Inactive | |
| DONALEEN SAUL PRODUCTIONS | — | FM0219626 | 1997-05-06 | Active | |
| DONALI ENTERPRISES | — | FM0350417 | 2003-06-26 | Active | |
| DONALINE CONSULTING LTD. | — | BC0862328 | 2009-09-28 | Inactive | |
| DONALINE WAXERS & CONSULTANTS LTD. | — | BC0612540 | 2000-08-17 | Inactive | |
| DONALLY CONSULTING | — | FM0172231 | 1994-12-22 | Active | |
| DONALLY LIVESTOCK INC. | — | C0910744 | 2011-05-17 | Active | |
| DONALLY LIVESTOCK INC. | — | A0047176 | 1998-04-23 | Inactive | |
| DONALLY TRUCK & TRAILER SERVICES | — | FM0733557 | 2017-11-21 | Active | |
| DONALYN VENTURES GROUP | — | FM0357370 | 2003-10-14 | Active | |
| DONAMO HOLDINGS LTD. | — | BC0271232 | 1983-11-24 | Inactive | |
| DONAMUR ESTATES LTD. | — | BC0226480 | 1981-02-09 | Inactive | |
| DONAN (S) VENTURES | — | FM0113115 | 1990-11-22 | Active | |
| DONAN HOLDINGS LTD. | — | BC0146957 | 1976-03-26 | Inactive | |
| DONAN HOLDINGS LTD. | — | BC0432330 | 1992-09-15 | Inactive | |
| DONAN MARKETING CORPORATION | — | BC0412964 | 1991-09-25 | Inactive | |
| DONAN MARKETING CORPORATION | — | BC0176963 | 1978-06-22 | Inactive | |
| DONAN VENTURES LTD. | — | BC0180404 | 1978-09-19 | Inactive | |
| DONANCO INC. | — | A0023501 | 1985-08-01 | Inactive | |
| DONANDARS' MATRIX | — | FM0184694 | 1995-08-10 | Active | |
| DONANDI AUTOMOTIVE LTD. | — | BC0115157 | — | Inactive | |
| DONAR AGENCY | — | FM0243981 | 1998-07-24 | Active | |
| DONAR AGENCY INC. | — | BC0570010 | 1998-08-12 | Inactive | |
| DONAR CHEMICALS LTD. | — | BC0140224 | 1975-08-13 | Inactive | |
| DONAR CONSULTANTS LTD. | — | BC0144232 | 1976-01-12 | Inactive | |
| DONAR FISH SALES LTD. | — | BC0109666 | — | Inactive | |
| DONARA ENTERPRISES LTD. | — | BC0205092 | 1980-02-21 | Inactive | |
| DONARD HOLDINGS LTD. | — | BC1570939 | 2026-01-02 | Active | |
| DONARD MANAGEMENT LTD. | — | BC0109122 | 1972-05-19 | Inactive | |
| DONARDAN CONTRACTING SERVICES LTD. | — | BC0356301 | 1988-12-13 | Inactive | |
| DONARON EQUIPMENT CO. LTD. | — | BC0028356 | — | Inactive | |
| DONARRY GENERAL CONTRACTING | — | FM0010928 | 1972-11-06 | Active | |
| DONART HOLDINGS LIMITED | — | BC0065988 | — | Inactive | |
| DONART SOUND STUDIO, INC. | — | BC0258068 | 1982-12-21 | Inactive | |
| DONAT FLAMAND | — | FM0330958 | 2002-09-19 | Inactive | |
| DONAT GROUP INFORMATION DESIGN | — | FM0330825 | 2002-09-18 | Active | |
| DONAT HOLDINGS AND TECHNOLOGIES LTD. | — | BC0574516 | 1998-11-06 | Inactive | |
| DONAT HOLDINGS LTD. | — | BC0906717 | 2011-03-29 | Inactive | |
| DONATA HOLDINGS LTD. | — | BC0948791 | 2012-08-27 | Active | |
| DONATA RESOURCES CORP. | — | BC0211358 | 1980-06-13 | Inactive | |
| DONATE AFFINITY CARD INTERNATIONAL LTD. | — | BC0736118 | 2005-09-27 | Inactive | |
| DONATE LIFE CANADA | — | A0117304 | 2021-03-24 | Active | |
| DONATE2PLAY MEDIA INC. | — | BC0908320 | 2011-04-15 | Inactive | |
| DONATELLA MINING CORP. | — | BC1561712 | 2025-10-31 | Active | |
| DONATELLI CONSTRUCTION | — | FM0733863 | 2017-11-24 | Active | |
| DONATELLI DEVELOPMENTS 1 LTD. | — | BC1169745 | 2018-06-27 | Inactive | |
| DONATELLI DEVELOPMENTS 2 LTD. | — | BC1175492 | 2018-08-10 | Inactive | |
| DONATELLI ESTATES LTD. | — | BC1019871 | 2014-11-24 | Active | |
| DONATELLI HOME LTD. | — | BC0120878 | 1973-08-10 | Inactive | |
| DONATELLI PHOTOGRAPHS | — | FM0178256 | 1995-04-20 | Active | |
| DONATELLO CONSTRUCTION INC. | — | BC1587920 | 2026-04-25 | Active | |
| DONATELLO HAIR DESIGN LTD. | — | BC0155498 | 1976-12-06 | Inactive | |
| DONATELLO'S EQUESTRIAN APPAREL | — | FM0461202 | 2007-10-02 | Active | |
| DONATELLO'S FOOD PRODUCTS LTD. | — | BC0388925 | 1990-06-12 | Inactive | |
| DONATI CONSULTING AND BROKERAGE | — | FM0112275 | 1990-10-22 | Active | |
| DONATI HOLDINGS LIMITED | — | BC0024081 | — | Inactive | |
| DONATI MARITIME COATINGS B.C. | — | FM0127174 | 1992-02-17 | Active | |
| DONATI MEDIA | — | A0133203 | 2024-07-20 | Active | |
| DONATIC APP INC. | — | BC1394510 | 2023-01-04 | Active | |
| DONATIELLO DESIGNS | — | FM0286753 | 2000-08-30 | Active | |
| DONATION CIRCLE SOCIETY | — | S0073410 | 2020-07-10 | Active | |
| DONATIONS CANADA | — | FM0568543 | 2011-10-21 | Active | |
| DONATO DESIGN | — | FM1027310 | 2023-10-08 | Active | |
| DONATO DRIVEWAY SEALING | — | FM1023093 | 2023-08-09 | Active | |
| DONATO ENTERPRISES | — | FM0261284 | 1999-06-21 | Active | |
| DONATO'S DRIVEWAY SEALING | — | FM0350951 | 2003-07-07 | Active | |
| DONATO'S MILLWORK & CONSTRUCTION LTD. | — | BC0269869 | 1983-10-13 | Active | |
| DONATOS LANDSCAPING | — | FM0220549 | 1997-05-29 | Active | |
| DONATRON DEVELOPMENTS LTD. | — | A0023018 | 1985-03-06 | Inactive | |
| DONATVILLE ENTERPRISES LTD. | — | BC0245261 | 1981-11-12 | Inactive | |
| DONAU CATERING | — | FM0099142 | 1989-07-14 | Active | |
| DONAU CONSULTING | — | FM0055461 | 1984-07-27 | Active | |
| DONAU DEVELOPMENTS INC. | — | BC0204058 | 1980-02-05 | Inactive | |
| DONAU EDUCATIONAL CONSULTING INCORPORATED | — | BC0290028 | 1985-03-21 | Inactive | |
| DONAUER MILLWORK | — | FM0288005 | 2000-09-20 | Active | |
| DONAUI INVESTMENTS INC. | — | BC0697515 | 2004-06-15 | Active | |
| DONAVAN CONTRACTING | — | FM1051106 | 2024-07-12 | Active | |
| DONAVAN CONTRACTING | — | FM0280169 | 2000-05-10 | Active | |