| DON KENDALL DRYWALL | — | FM0451280 | 2007-05-18 | Active | |
| DON KENNEDY CORPORATION | — | BC0835044 | 2008-09-16 | Active | |
| DON KENNEDY TRUCKING LTD. | — | BC0119561 | 1973-06-22 | Inactive | |
| DON KEPKE & SONS LTD. | — | BC0295813 | 1985-07-26 | Inactive | |
| DON KERR GOLF SHOP LTD. | — | BC0413144 | 1991-09-30 | Inactive | |
| DON KERR MOVING | — | FM0865101 | 2021-12-12 | Active | |
| DON KIMURA MARINE SURVEYOR | — | FM0463485 | 2007-11-01 | Active | |
| DON KIMURA MARINE SURVEYOR LTD. | — | BC1278414 | 2020-12-08 | Active | |
| DON KING HOMES LTD. | — | BC0795372 | 2007-06-26 | Inactive | |
| DON KNOX EXCAVATING LTD. | — | BC0064162 | — | Inactive | |
| DON KOLYSHER ENTERPRISES | — | FM0578390 | 2012-03-10 | Active | |
| DON KOMORI, LAW CORPORATION | — | BC0577826 | 1999-01-07 | Active | |
| DON KRAELEMAN LTD. | — | BC0230234 | 1981-03-24 | Inactive | |
| DON L LANCASTER AGENCIES LTD. | — | BC0134944 | 1975-02-17 | Inactive | |
| DON L. MOYEN HOLDINGS LTD. | — | BC0229494 | 1981-03-16 | Active | |
| DON LANCASTER - LEANNE COLOMBO | — | FM0384960 | 2004-11-22 | Active | |
| DON LANGE LTD. | — | BC0114406 | 1972-12-21 | Inactive | |
| DON LARK CONSTRUCTION LTD. | — | BC0221232 | 1980-11-26 | Inactive | |
| DON LAROCQUE HOLDINGS LTD. | — | BC0224886 | 1981-01-21 | Inactive | |
| DON LARSEN'S MENS WEAR LTD. | — | BC0100476 | — | Inactive | |
| DON LARSON LOGGING LTD. | — | BC0324408 | 1987-04-01 | Inactive | |
| DON LAVOIE TRUCKING | — | FM0090916 | 1988-09-14 | Active | |
| DON LAWRENCE TRUCKING LTD. | — | BC0182428 | 1978-11-06 | Inactive | |
| DON LAWRIE CONTRACT WELDING | — | FM0086716 | 1988-04-13 | Active | |
| DON LEBLANC COMMUNICATIONS | — | FM0135876 | 1992-10-19 | Active | |
| DON LEBLANC COMMUNICATIONS INC. | — | BC0506710 | 1995-10-25 | Inactive | |
| DON LEE CONSULTING LTD. | — | BC0664111 | 2003-02-18 | Inactive | |
| DON LEE CORPORATION LIMITED, | — | BC0056032 | — | Inactive | |
| DON LEMAN AUDIO | — | FM0634934 | 2014-05-26 | Inactive | |
| DON LEO JONATHAN ENTERPRISES (1981) LTD. | — | BC0230832 | 1981-03-30 | Inactive | |
| DON LESLIE CHARTERS | — | FM0316686 | 2002-02-06 | Active | |
| DON LEW HOLDINGS LTD. | — | BC0237876 | 1981-06-24 | Active | |
| DON LI FINE ARTS STUDIO | — | FM0774269 | 2019-04-15 | Active | |
| DON LIMPIO CLEANING SERVICES | — | FM0784404 | 2019-08-07 | Active | |
| DON LO ENTERPRISES LTD. | — | BC0112813 | — | Inactive | |
| DON LOCHRIE MILLWRIGHTING | — | FM0596817 | 2012-12-05 | Active | |
| DON LOEWEN SADDLERY LTD. | — | BC1150687 | 2018-01-26 | Inactive | |
| DON LOGAN'S VILLAGE MEATS LTD. | — | BC0203428 | 1980-01-25 | Inactive | |
| DON LORD HAIR GOODS LTD. | — | BC0094595 | 1970-07-10 | Inactive | |
| DON LOW TRUCKING LTD. | — | BC0394892 | 1990-10-12 | Inactive | |
| DON LOWE AND ASSOCIATES TRAINING AND HUMAN RESOURCES CONSULTING | — | FM0363757 | 2004-01-22 | Active | |
| DON LOWE'S PROFESSIONAL CONSTRUCTION | — | FM0220526 | 1997-05-29 | Active | |
| DON LOWES MASTER BAKERY SHOPPE | — | FM0272494 | 2000-01-04 | Active | |
| DON LUI PERSONAL REAL ESTATE CORPORATION | — | BC1128966 | 2017-08-02 | Active | |
| DON LUYMES PLANNING + DESIGN | — | FM1067465 | 2025-02-10 | Active | |
| DON M. AUSTIN LTD. | — | BC0034290 | 1955-07-08 | Inactive | |
| DON M. GILLILAND HOLDINGS INC. | — | BC0647135 | 2002-05-07 | Inactive | |
| DON M. GILLILAND INC. | — | BC0389576 | 1990-06-27 | Active | |
| DON M. OLSEN INC. | — | BC0665458 | 2003-03-10 | Active | |
| DON MAC HOLDINGS | — | FM0060926 | 1985-05-02 | Active | |
| DON MAC HOLDINGS LTD. | — | BC0336052 | 1987-11-12 | Inactive | |
| DON MAC JR SIGN CONSULTING | — | FM1072726 | 2025-04-09 | Active | |
| DON MACDONALD & SONS LTD. | — | BC0167264 | 1977-10-24 | Inactive | |
| DON MACGREGOR PHOTOGRAPHY LTD. | — | BC0144146 | 1976-01-08 | Active | |
| DON MACHINERY LTD. | — | BC0037397 | — | Inactive | |
| DON MACKENZIE TRUCKING LTD. | — | BC1173821 | 2018-08-01 | Active | |
| DON MACKENZIE TRUCKING LTD. | — | BC0192730 | 1979-06-19 | Inactive | |
| DON MACKIDDIE LOGGING LTD. | — | BC0232988 | 1981-04-27 | Inactive | |
| DON MACKINNON - WEST COAST CONSULTING | — | FM0383889 | 2004-11-04 | Active | |
| DON MACLEOD RESTAURANTS LTD. | — | BC0075726 | 1967-08-28 | Inactive | |
| DON MACLEOD'S RESTAURANT | — | FM0019587 | 1975-12-09 | Active | |
| DON MACPHERSON CLIENT SUPPORT GROUP SOCIETY | — | S0045489 | 2002-12-30 | Inactive | |
| DON MACRAE HOLDINGS LTD. | — | BC0473956 | 1994-05-31 | Active | |
| DON MACWATT ECOLOGICAL PLANNING AND DESIGN | — | FM0602560 | 2013-03-06 | Active | |
| DON MADGE PLUMBING LTD. | — | BC0223626 | 1980-12-31 | Inactive | |
| DON MAH ENTERPRISES | — | FM0153252 | 1993-12-06 | Active | |
| DON MAH HOLDINGS LTD. | — | BC0212381 | 1980-07-03 | Inactive | |
| DON MAKER ENTERPRISES INC. | — | BC0781896 | 2007-02-06 | Inactive | |
| DON MALANKA ENTERPRISES | — | FM0341667 | 2003-03-04 | Active | |
| DON MALIN VENTURES INC. | — | BC0572785 | 1998-10-02 | Inactive | |
| DON MANN EXCAVATING LTD. | — | BC0097555 | 1970-12-30 | Inactive | |
| DON MANN EXCAVATING LTD. | — | BC1102292 | 2017-01-01 | Active | |
| DON MANN HOLDINGS LTD. | — | BC0302062 | 1985-12-19 | Inactive | |
| DON MANTLE LTD. | — | BC0028999 | 1952-08-11 | Inactive | |
| DON MANUEL FOODS LTD. | — | BC1215213 | 2019-07-04 | Active | |
| DON MANUEL MARKETING & ASSOCIATES | — | FM0111457 | 1990-09-14 | Active | |
| DON MAR ENTERPRISES LTD. | — | BC0588105 | 1999-07-02 | Inactive | |
| DON MAR MANAGEMENT SERVICES LTD. | — | BC0483946 | 1994-11-09 | Inactive | |
| DON MAR MANUFACTURING LTD. | — | A0131589 | 2024-03-18 | Active | |
| DON MARCOTTE TRUCKING | — | FM0350502 | 2003-06-27 | Active | |
| DON MARINAS INSURANCE SOLUTIONS | — | FM0686593 | 2016-04-15 | Active | |
| DON MARLING CONTRACTING LTD. | — | BC0453823 | 1993-09-01 | Inactive | |
| DON MARSHALL LTD. | — | BC0081139 | 1968-08-09 | Inactive | |
| DON MARTIN INVESTMENTS INC. | — | BC0312198 | 1986-07-18 | Inactive | |
| DON MASON SALES | — | FM0325692 | 2002-06-20 | Active | |
| DON MASTER FOOD GROUP INC. | — | BC1078582 | 2016-06-08 | Inactive | |
| DON MATHESON TRUCKING LTD. | — | BC0554718 | 1997-11-24 | Inactive | |
| DON MATIER INC. | — | BC1025678 | 2015-01-23 | Active | |
| DON MAY CONSTRUCTION INC. | — | BC0133952 | 1975-01-13 | Active | |
| DON MCCANN, WOODWORKER | — | FM0124670 | 1991-11-18 | Active | |
| DON MCCARTNEY TRUCKING LTD. | — | BC0179247 | 1978-08-21 | Inactive | |
| DON MCCAUGHEY AGENCIES LTD. | — | BC0037312 | — | Inactive | |
| DON MCCOY ARCHITECT LTD. | — | BC0145990 | 1976-02-27 | Inactive | |
| DON MCDIARMID LIMITED | — | BC0030858 | — | Inactive | |
| DON MCGINNIS CONTRACTING 2008 LTD. | — | BC0831019 | 2008-07-25 | Active | |
| DON MCGINNIS CONTRACTING LTD. | — | BC0151518 | 1976-08-05 | Inactive | |
| DON MCGINNIS CONTRACTING LTD. | — | BC0857851 | 2009-08-01 | Active | |
| DON MCINTYRE FINANCIAL SERVICES LTD. | — | A0079265 | 2010-02-03 | Inactive | |
| DON MCIVER DESIGN | — | FM0418789 | 2006-03-07 | Active | |
| DON MCLEAN LANDSCAPE DESIGN & CONSULTING | — | FM0141892 | 1993-04-06 | Active | |
| DON MCLEAN LIMITED | — | BC0029152 | — | Inactive | |
| DON MCLELLAN ESTIMATING | — | FM0637066 | 2014-06-21 | Active | |
| DON MCLEOD HOLDINGS | — | FM0378751 | 2004-08-19 | Active | |
| DON MCLEOD HOLDINGS LTD. | — | BC0026964 | — | Inactive | |
| DON MCLEOD MOTOR LEASE LTD. | — | BC0037379 | — | Inactive | |
| DON MCMILLAN LTD. | — | BC0026839 | — | Inactive | |
| DON MCNIVEN ENTERPRISES LTD. | — | BC0116015 | 1973-02-22 | Inactive | |
| DON MCPHERSON LOGGING LTD. | — | BC0062939 | — | Inactive | |
| DON MCRAE & SONS TRUCKING LTD. | — | BC0186895 | 1979-02-20 | Inactive | |
| DON MCRAE LOGGING LTD. | — | BC0235563 | 1981-05-27 | Inactive | |
| DON MERTTON SERVICES | — | FM0709585 | 2017-02-07 | Active | |
| DON MICHAEL YOGA | — | FM0828793 | 2021-01-08 | Active | |
| DON MICHAUD SALES LTD. | — | BC0223076 | 1980-12-23 | Inactive | |
| DON MIDDLETON DENTAL MECHANIC LTD. | — | BC0229759 | 1981-03-18 | Inactive | |
| DON MIKKELSON CONTRACTING LTD. | — | BC0281764 | 1984-08-21 | Inactive | |
| DON MILLER & ASSOCIATES | — | FM0350448 | 2003-06-26 | Active | |
| DON MILLER AND ASSOCIATES | — | FM0603072 | 2013-03-12 | Active | |
| DON MILLER CATERING | — | FM0096418 | 1989-04-07 | Active | |
| DON MILLER LAW CORPORATION | — | BC1109612 | 2017-03-03 | Active | |
| DON MILLER TRUCKING LTD. | — | BC0218232 | 1980-10-17 | Inactive | |
| DON MITCHELL PLUMBING & HEATING LTD. | — | BC0218575 | 1980-10-20 | Inactive | |
| DON MONTECRISTO TRADING | — | FM0365341 | 2004-02-12 | Active | |
| DON MOORE CHILD CARE | — | FM0837488 | 2021-03-14 | Active | |
| DON MOORE ENTERPRISES LTD. | — | BC1074799 | 2016-05-06 | Active | |
| DON MOORES MARKETING LTD. | — | BC1369263 | 2022-07-01 | Active | |
| DON MOORES MARKETING LTD. | — | BC0605011 | 2000-04-07 | Inactive | |
| DON MOSH CLOTHING | — | FM0357492 | 2003-10-16 | Active | |
| DON MULLETT TRUCKING COMPANY LIMITED | — | BC0174113 | 1978-04-20 | Inactive | |
| DON MUNRO & SON LTD. | — | BC0119907 | 1973-07-05 | Inactive | |
| DON MUNRO PERSONAL REAL ESTATE CORPORATION | — | BC1242605 | 2020-02-28 | Active | |
| DON MURPHY FARMS LTD. | — | BC0336289 | 1987-11-17 | Inactive | |
| DON MUSSENDEN PERSONAL REAL ESTATE CORPORATION | — | BC1100627 | 2016-12-17 | Active | |
| DON NACHO'S FOODS INTERNATIONAL, INC. | — | BC0327271 | 1987-05-27 | Inactive | |
| DON NEALE HOLDINGS LTD. | — | BC0997662 | 2014-03-29 | Active | |
| DON NEALE HOLDINGS LTD. | — | BC0516600 | 1996-03-30 | Inactive | |
| DON NEALE HOLDINGS LTD. | — | BC0506604 | 1995-10-24 | Inactive | |
| DON NEILL LOGGING LTD. | — | BC0495396 | 1995-04-26 | Inactive | |
| DON NEILSON PRINTING | — | FM0063692 | 1985-09-10 | Active | |
| DON NELSON HOLDINGS LTD. | — | BC0161470 | 1977-05-13 | Inactive | |
| DON NEVILLE IT CONSULTING | — | FM0637821 | 2014-07-02 | Active | |
| DON NEWTON BACKHOE SERVICES LTD. | — | BC0267172 | 1983-07-29 | Inactive | |
| DON NIELSEN CONSTRUCTION | — | FM0373792 | 2004-06-03 | Active | |
| DON NYGAARD & SON LTD. | — | BC0149576 | 1976-06-07 | Active | |
| DON O RAY FARM ADVENTURE | — | FM0886187 | 2022-07-18 | Active | |
| DON OF ARTLITE | — | FM0015076 | 1974-01-02 | Active | |
| DON OGILVIE INSURANCE & FINANCIAL SERVICES LTD. | — | BC0683415 | 2003-12-15 | Inactive | |
| DON OROBKO ENTERPRISES | — | FM0054798 | 1984-06-22 | Active | |
| DON OSBORNE PHOTOGRAPHY | — | FM0502800 | 2009-05-20 | Active | |
| DON OSO'S RESTAURANT | — | FM0812991 | 2020-07-30 | Active | |
| DON OSOS RESTAURANT | — | FM0860435 | 2021-10-14 | Active | |
| DON OWEN SPORTS LTD. | — | BC0081814 | 1968-09-18 | Inactive | |
| DON PACAUD CONTRACTING LTD. | — | BC0638176 | 2001-11-30 | Inactive | |
| DON PACO FOOD'S | — | FM0139338 | 1993-02-02 | Active | |
| DON PARSONS CONTRACTING | — | FM0280271 | 2000-05-11 | Active | |
| DON PATCHETT CONTRACTING LTD. | — | BC0251138 | 1982-04-28 | Inactive | |
| DON PATTERSON VENTURES LTD. | — | BC1364221 | 2022-05-24 | Active | |
| DON PATTON ENTERPRISES LTD. | — | BC0310839 | 1986-06-19 | Inactive | |
| DON PATTON'S TRUCKING LTD. | — | BC0119944 | 1973-07-06 | Inactive | |
| DON PEACHEY ENTERPRISES LTD. | — | BC0124614 | 1974-01-24 | Inactive | |
| DON PEARSON CONSTRUCTION LTD. | — | A0032274 | 1990-10-17 | Inactive | |
| DON PEARSON WELDING LTD. | — | BC0597442 | 1999-12-13 | Inactive | |
| DON PECK HOLDINGS LIMITED | — | BC0050709 | 1961-06-12 | Inactive | |
| DON PEDRO'S MEXICAN FOODS | — | FM0047501 | 1983-05-10 | Active | |
| DON PELLING INSURANCE SERVICES LTD. | — | BC0262699 | 1983-04-13 | Inactive | |
| DON PELTS TRUCKING | — | FM0365243 | 2004-02-11 | Active | |
| DON PHELPS TRUCKING LTD. | — | BC0435722 | 1992-11-16 | Inactive | |
| DON PHILLIPS MOTORS LIMITED | — | BC0073697 | 1967-04-07 | Inactive | |
| DON PICARD SCHOOL OF BALLROOM DANCING LTD. | — | BC0081113 | 1968-08-07 | Inactive | |
| DON PLUG FRAMING LTD. | — | A0108781 | 2019-02-14 | Inactive | |
| DON POLLO INDUSTRIAL (CANADA) CO. | — | FM0281553 | 2000-05-30 | Active | |
| DON POOLE & ASSOCIATES LTD. | — | BC0154642 | 1976-11-09 | Inactive | |
| DON POOLER CUSTOM CARPENTRY | — | FM0557705 | 2011-05-23 | Active | |
| DON PRACHNAU AUTOMOTIVE LTD. | — | BC1042516 | 2015-07-10 | Active | |
| DON PRENTICE MANAGEMENT SERVICES LTD. | — | BC0130553 | 1974-08-12 | Inactive | |
| DON PRENTICE MEMORIAL PRO-AM SOCIETY | — | S0014293 | 1978-11-17 | Inactive | |
| DON PROPP INCORPORATED | — | BC0549204 | 1997-08-26 | Active | |
| DON PROTEAU INC. | — | BC0401466 | 1991-02-21 | Active | |
| DON PURDY FORESTRY CONSULTING SERVICES | — | FM0483637 | 2008-08-07 | Active | |
| DON QUAST HYUNDAI | — | FM0127385 | 1992-02-24 | Active | |
| DON QUIJOTE TAPA BAR INC. | — | BC0194588 | 1979-07-27 | Inactive | |
| DON QUIXOTE RESTAURANTS LTD. | — | BC0291603 | 1985-04-25 | Inactive | |
| DON QUIXOTE SAFETY CONSULTING | — | FM0747515 | 2018-05-17 | Inactive | |
| DON R. BARR INC. | — | BC0238511 | 1981-07-03 | Inactive | |
| DON R. LAZIER & ASSOCIATES LTD. | — | BC0107578 | 1972-03-23 | Inactive | |
| DON R. YOUNG PHOTOGRAPHY LTD. | — | BC0287599 | 1985-01-24 | Inactive | |
| DON RANKIN ELECTRICAL COMPANY | — | FM0804967 | 2020-04-30 | Active | |
| DON RAWLINS BODY SHOP | — | FM0045493 | 1983-01-12 | Active | |
| DON RAWLINS HOMES | — | FM0035901 | 1980-12-09 | Active | |
| DON RAWLINS PONTIAC BUICK LTD. | — | C0246349 | — | Inactive | |
| DON RAWLINS PONTIAC BUICK LTD. | — | A0006430 | — | Inactive | |
| DON RAWLINS PONTIAC BUICK LTD. | — | BC0247321 | 1981-12-31 | Inactive | |
| DON RAY DRIVE-A-WAY COMPANY OF CALIFORNIA, INC. | — | A0026922 | 1987-12-14 | Inactive | |
| DON READ HOLDINGS LTD. | — | BC0184662 | 1978-12-28 | Inactive | |
| DON REESE CONTRACTING | — | FM0359882 | 2003-11-20 | Active | |
| DON REIMER STUCCO | — | FM0304446 | 2001-06-28 | Active | |
| DON RENZIE HOLDINGS. | — | FM0736313 | 2017-12-30 | Active | |
| DON RICHARDSON CONTRACTING LTD. | — | BC0066144 | 1965-09-13 | Inactive | |
| DON RIDDOCH CONTRACTING | — | FM0392330 | 2005-03-10 | Active | |
| DON RIEMER CHARTERED PROFESSIONAL ACCOUNTANT | — | FM1084394 | 2025-08-15 | Active | |
| DON RIMMER CONSTRUCTION LTD. | — | A0006997 | — | Inactive | |