| M. P. PLUMBING | — | FM0197979 | 1996-04-24 | Inactive | |
| M. P. R. HOLDINGS LTD. | — | BC0107486 | 1972-03-21 | Inactive | |
| M. P. T. ENGINEERING CO. LTD. | — | BC0143373 | 1975-12-05 | Inactive | |
| M. P. T. ENGINEERING CO. LTD. | — | BC0842152 | 2009-01-01 | Active | |
| M. P. TANCHAK LTD. | — | BC0042282 | 1958-07-31 | Inactive | |
| M. P. TELLIER CONSTRUCTION LTD. | — | BC0107374 | 1972-03-16 | Inactive | |
| M. P. TELLIER SECURITIES LTD. (IN VOLUNTARY LIQUIDATION) | — | BC0096736 | 1970-11-18 | Inactive | |
| M. P. W. PROJECTS LTD. | — | BC0195792 | 1979-08-23 | Active | |
| M. PALKOVSKY ENTERPRISE | — | FM0194440 | 1996-02-21 | Active | |
| M. PALMER COUNSELLING | — | FM0855373 | 2021-08-15 | Active | |
| M. PARDOE AND ASSOCIATES | — | FM0213979 | 1997-02-11 | Active | |
| M. PARK SAWMILLS LTD. | — | BC0075549 | 1967-08-14 | Inactive | |
| M. PARMAR HOLDING CO. LTD. | — | BC1142882 | 2017-11-28 | Inactive | |
| M. PARR ENTERPRISES | — | FM0435959 | 2006-10-20 | Active | |
| M. PATERSON CONSULTING LTD. | — | BC0930502 | 2012-01-19 | Active | |
| M. PATRICIA GALLIVAN LAW CORPORATION | — | BC1099676 | 2016-12-09 | Active | |
| M. PATTERSON LTD. | — | BC0213396 | 1980-07-23 | Inactive | |
| M. PATTISON M.D. INC. | — | BC1030446 | 2015-03-14 | Active | |
| M. PAULA MCKECHNIE INC. | — | BC0466700 | 1994-02-18 | Inactive | |
| M. PAULIC INC. | — | BC0990763 | 2014-01-13 | Inactive | |
| M. PAYNTER SIDING LTD. | — | BC0814678 | 2008-01-24 | Active | |
| M. PEACE MECHANICAL SERVICES LTD. | — | BC1168807 | 2018-06-19 | Active | |
| M. PEDLAR INVESTMENTS LTD. | — | BC0206726 | 1980-03-19 | Inactive | |
| M. PENALBA & COMPANY | — | FM0379317 | 2004-08-27 | Active | |
| M. PENNER MD INC. | — | BC1181260 | 2018-09-28 | Active | |
| M. PENNEY AND E. LOUCKS INVESTMENTS INC. | — | BC0420461 | 1992-02-19 | Active | |
| M. PERRAULT & ASSOCIATES LTD. | — | BC0943154 | 2012-06-14 | Inactive | |
| M. PERREY CONTRACTING LTD. | — | BC0154348 | 1976-11-01 | Inactive | |
| M. PERREY MILL CONSTRUCTION LTD. | — | BC0483373 | 1994-11-01 | Inactive | |
| M. PETERSEN CONTRACTING LTD. | — | BC0319871 | 1987-01-06 | Active | |
| M. PETROLLINI MANAGEMENT | — | FM0274678 | 2000-02-10 | Active | |
| M. PHILLIPS CAPITAL STRATEGIES INC. | — | BC0829025 | 2008-06-30 | Inactive | |
| M. PHILLIPS PAINTING LTD. | — | BC0793713 | 2007-06-09 | Inactive | |
| M. PIDHERNEY'S TRUCKING LTD. | — | A0026164 | 1987-06-25 | Inactive | |
| M. PIENAAR INVESTMENT INC. | — | BC0530293 | 1996-11-04 | Inactive | |
| M. PIERCEY HOLDINGS LTD. | — | BC0078127 | 1968-02-15 | Inactive | |
| M. PIGGOTT ENTERPRISES | — | FM0052990 | 1984-03-27 | Active | |
| M. PILOTTE TRUCKING | — | FM0023742 | 1977-06-10 | Active | |
| M. PITTAWAY CONTRACTING LTD. | — | BC0151018 | 1976-07-19 | Inactive | |
| M. PLEASANCE PHOTOGRAPHY INC. | — | BC0122563 | 1973-10-24 | Inactive | |
| M. PLOTNIKOFF TRUCKING LTD. | — | BC0121795 | 1973-09-14 | Inactive | |
| M. PLUS M. MANAGEMENT SERVICE | — | FM0009487 | 1972-02-23 | Active | |
| M. POLARD & ASSOC. - (DIV. OF NATIONAL COLLECTION CONTROL LTD.) | — | FM0030083 | 1979-02-27 | Active | |
| M. POLARD & ASSOCIATES LTD. | — | A0009130 | 1970-07-13 | Active | |
| M. POSCHNER EXCAVATING & CONTRACTING LTD. | — | BC0037752 | — | Inactive | |
| M. POWELL & ASSOCIATES LTD. | — | BC0399590 | 1991-01-04 | Inactive | |
| M. PRENTICE PHYSICAL THERAPIST HEALTH PROFESSION CORPORATION | — | BC1236223 | 2020-01-06 | Active | |
| M. PROUTEN WOODCRAFTING | — | FM0232867 | 1998-01-26 | Active | |
| M. PROVENCHER CONSTRUCTION LTD. | — | BC0287481 | 1985-01-21 | Inactive | |
| M. PUHACZ LTD. | — | BC1167546 | 2018-06-08 | Active | |
| M. PULEZ DEVELOPMENT LTD. | — | BC0146880 | 1976-03-24 | Inactive | |
| M. PUREZA CLEANING SERVICES | — | FM0364193 | 2004-01-29 | Active | |
| M. QUIBELL CONTRACTING | — | FM0548816 | 2011-02-04 | Active | |
| M. R. ADAMA ENTERPRISES LTD. | — | BC0287169 | 1985-01-11 | Inactive | |
| M. R. ASHTON LIMITED | — | BC0048772 | 1960-10-03 | Inactive | |
| M. R. BAULDIC ENTERPRISES INCORPORATED | — | A0058539 | 2003-01-23 | Inactive | |
| M. R. BUSHBY CONSTRUCTION LTD. | — | BC0194279 | 1979-07-20 | Inactive | |
| M. R. CHENIER | — | FM0847980 | 2021-06-05 | Active | |
| M. R. CHILD FASHIONS LTD. | — | BC0498401 | 1995-06-12 | Inactive | |
| M. R. CLIFF TOWING COMPANY LIMITED | — | BC0007956 | — | Inactive | |
| M. R. CLIFF TUGBOAT CO. LTD., | — | BC0012914 | — | Inactive | |
| M. R. CONCEPTS | — | FM0373025 | 2004-05-25 | Active | |
| M. R. CRAB HUT LTD. | — | BC0094229 | — | Inactive | |
| M. R. DEVELOPMENT AND HOLDING CO. LIMITED | — | BC0011431 | — | Inactive | |
| M. R. ELECTRIC | — | FM0226944 | 1997-09-17 | Active | |
| M. R. EVANS TRADING CO. LTD. | — | BC0298311 | 1985-09-26 | Active | |
| M. R. F. ENTERPRISES LTD. | — | BC0189019 | 1979-04-03 | Inactive | |
| M. R. FIRE PROTECTION LTD. | — | BC0645658 | 2002-04-15 | Inactive | |
| M. R. G. LANDS, LTD. | — | BC0045484 | 1959-07-29 | Inactive | |
| M. R. GORDON & ASSOCIATES LTD. | — | BC0420217 | 1992-02-17 | Inactive | |
| M. R. H. CONTRACTING | — | FM0465842 | 2007-12-06 | Active | |
| M. R. H. HOTEL CO. LTD. | — | BC0174866 | 1978-05-08 | Active | |
| M. R. HARDWOOD FLOORS | — | FM0234605 | 1998-02-19 | Active | |
| M. R. HECK & COMPANY LIMITED | — | BC0002067 | — | Inactive | |
| M. R. IMPORT EMPORIUM | — | FM0008655 | 1971-08-31 | Active | |
| M. R. J. HOLDINGS LTD. | — | BC0180557 | 1978-09-22 | Inactive | |
| M. R. JANITOR SERVICE | — | FM0026620 | 1978-05-04 | Active | |
| M. R. KOHL TRUCKING LTD. | — | BC0219959 | 1980-11-06 | Inactive | |
| M. R. LAING MAUI LTD. | — | C0528555 | 1996-10-04 | Inactive | |
| M. R. M. LOGGING CO. LTD. | — | BC0036820 | — | Inactive | |
| M. R. NASON CONSTRUCTION LTD. | — | A0007199 | — | Inactive | |
| M. R. OILFIELD VENTURES LTD. | — | BC0819464 | 2008-03-14 | Inactive | |
| M. R. P. OILFIELD SERVICES LTD. | — | BC0094322 | 1970-06-25 | Inactive | |
| M. R. PAINTING | — | FM0097438 | 1989-05-12 | Inactive | |
| M. R. PARK HOLDINGS INC. | — | BC0331664 | 1987-08-07 | Inactive | |
| M. R. PERFECTED STEEL STUD CONSTRUCTION LTD. | — | BC0318776 | 1986-12-11 | Inactive | |
| M. R. PLYWOODS HOLDINGS LTD. | — | BC0624161 | 2001-03-16 | Inactive | |
| M. R. PRATT NEWCO INC. | — | BC0497237 | 1995-05-26 | Inactive | |
| M. R. PUMP HOLDINGS LTD. | — | BC0351771 | 1988-09-26 | Inactive | |
| M. R. RENTALS | — | FM0024448 | 1977-09-26 | Active | |
| M. R. SMITH & CO. LIMITED | — | QE0001522 | — | Inactive | |
| M. R. SMITH & CO. LIMITED | — | QE0000558 | — | Inactive | |
| M. R. SYSTEMS LTD. | — | BC0570965 | 1998-08-31 | Inactive | |
| M. R. T. PHOTOGRAPHY | — | FM0347775 | 2003-05-20 | Active | |
| M. R. TIMBER LTD. | — | BC0357317 | 1988-12-30 | Inactive | |
| M. R. V. LUMBER LTD. | — | BC0166210 | 1977-09-26 | Inactive | |
| M. R. WEBBER CONTRACTING LTD. | — | BC0195680 | 1979-08-21 | Inactive | |
| M. R. WINDOWS LTD. | — | BC0357808 | 1989-01-12 | Active | |
| M. RACUNICA PAINTING SERVICES | — | FM0503306 | 2009-05-26 | Active | |
| M. RACUNICA PAINTING SERVICES | — | FM0539438 | 2010-09-27 | Active | |
| M. RADLEY ENTERPRISES LTD. | — | A0063919 | 2004-12-20 | Inactive | |
| M. RAE BOOKKEEPING SERVICES | — | FM0805406 | 2020-05-05 | Active | |
| M. RAE BOOKKEEPING SERVICES | — | FM1028996 | 2023-10-31 | Active | |
| M. RAE CONSTRUCTION SERVICES LTD. | — | BC0186155 | 1979-02-05 | Inactive | |
| M. RAI CONSULTING INC. | — | BC1181721 | 2018-10-02 | Active | |
| M. RAJKOVIC LOGGING LTD. | — | BC0086321 | — | Inactive | |
| M. RASHED CAPITAL LTD. | — | BC1546821 | 2025-07-03 | Active | |
| M. RATCLIFFE SERVICES | — | FM0054169 | 1984-05-18 | Active | |
| M. READ FLOORING INSTALLATIONS | — | FM0021012 | 1976-05-27 | Active | |
| M. REHLINGER MARKETING | — | FM0074108 | 1986-12-08 | Active | |
| M. REID & SONS HOLDINGS INC. | — | BC0864354 | 2009-10-21 | Active | |
| M. REID ENTERPRISES LTD. | — | BC0227681 | 1981-02-24 | Inactive | |
| M. REINSTEIN AND ASSOCIATES | — | FM0286258 | 2000-08-21 | Active | |
| M. REYNOLDS & ASSOCIATES, INC. | — | BC0321306 | 1987-02-04 | Inactive | |
| M. RICCI OPERATIONS | — | FM0557976 | 2011-05-26 | Active | |
| M. RICH DESIGNS | — | FM0163111 | 1994-06-29 | Active | |
| M. RICHARDSEN BUILDING MATERIALS LTD. | — | A0022745 | 1984-12-17 | Inactive | |
| M. RICHARDSON ENTERPRISES INC. | — | BC0798413 | 2007-07-30 | Active | |
| M. RICHARDSON MANAGEMENT SERVICES INC. | — | BC0524427 | 1996-07-30 | Inactive | |
| M. RILEY ENTERPRISES LTD. | — | BC0321572 | 1987-02-10 | Inactive | |
| M. RING CONTRACTING INC. | — | BC0707610 | 2004-11-01 | Active | |
| M. RIOUX HOLDINGS LTD. | — | BC0109097 | 1972-05-18 | Inactive | |
| M. ROACH CONTRACTING | — | FM0277720 | 2000-03-27 | Active | |
| M. ROBERTS BUILDING | — | FM0533465 | 2010-07-08 | Active | |
| M. ROBERTS TRUCKING LTD. | — | BC0099304 | 1971-03-26 | Inactive | |
| M. ROBERTS, POTTERY | — | FM0007261 | 1970-12-21 | Active | |
| M. ROBILLARD ENTERPRISES | — | FM0229156 | 1997-10-29 | Active | |
| M. ROBINSON CONSULTANTS INC. | — | BC0697910 | 2004-06-18 | Active | |
| M. ROCHE HOLDINGS CORPORATION | — | BC1116520 | 2017-05-01 | Inactive | |
| M. ROGERS DESIGN CONSULTING INC. | — | BC1548138 | 2025-07-14 | Active | |
| M. ROGERS INVESTMENTS LTD. | — | BC0125257 | 1974-02-15 | Inactive | |
| M. ROGERS PLUMBING & HEATING LTD. | — | BC0073677 | 1967-04-05 | Inactive | |
| M. ROPER ENTERPRISES LIMITED | — | BC0484561 | 1994-11-22 | Inactive | |
| M. ROPER MANAGEMENT COMPANY LIMITED | — | BC0484556 | 1994-11-22 | Inactive | |
| M. ROSEN & ASSOCIATES (VICTORIA) | — | FM0130870 | 1992-06-10 | Active | |
| M. ROSS EXCAVATING LTD. | — | BC0636347 | 2001-10-26 | Inactive | |
| M. ROSS INVESTMENTS LTD. | — | BC0194839 | 1979-07-31 | Inactive | |
| M. ROSSI MANAGEMENT LTD. | — | BC0153634 | 1976-10-12 | Inactive | |
| M. RUDMAN DEVELOPMENT LTD. | — | BC0146692 | 1976-03-19 | Inactive | |
| M. RUF FAMILY HOLDINGS LTD. | — | BC0229708 | 1981-03-18 | Inactive | |
| M. RUSSELL | — | FM0133842 | 1992-08-25 | Active | |
| M. RUSSETT CONTRACTORS LTD. | — | BC0121705 | 1973-09-11 | Inactive | |
| M. RUTTER CONSULTANTS | — | FM0573521 | 2012-01-09 | Active | |
| M. RUVINSKY ASSOCIATES LTD. | — | BC0084501 | — | Inactive | |
| M. RYAN NURSE PRACTITIONER INC. | — | BC1428356 | 2023-07-18 | Active | |
| M. S. & B. CANDIES LTD. | — | BC0005417 | — | Inactive | |
| M. S. & D. IMPORT COMPANY LTD. | — | BC0355180 | 1988-11-23 | Active | |
| M. S. & R. ENTERPRISES LTD. | — | BC0260384 | 1983-02-17 | Active | |
| M. S. & W. RESOURCES LTD. (N.P.L.) | — | BC0076841 | — | Inactive | |
| M. S. A. CABLEVISION LTD. | — | BC0073176 | 1967-03-02 | Inactive | |
| M. S. A. EGG AND POULTRY LTD. | — | BC0020281 | — | Inactive | |
| M. S. A. MOTORS LTD. | — | BC0105979 | 1972-01-24 | Inactive | |
| M. S. ABEL HOLDINGS LTD. | — | BC0472990 | 1994-05-17 | Inactive | |
| M. S. ARCHITECTURAL MILLWORKS LTD. | — | BC0401174 | 1991-02-14 | Inactive | |
| M. S. CARR & ASSOCIATES LTD. | — | BC0387894 | 1990-05-23 | Active | |
| M. S. CARRIERS LTD. | — | BC0562388 | 1998-04-02 | Inactive | |
| M. S. COWEN CO. LTD. | — | BC0017791 | — | Inactive | |
| M. S. D. DEVELOPMENTS LTD. | — | BC0391692 | 1990-08-08 | Inactive | |
| M. S. DOLLAR COMPANY LIMITED | — | QE0001020 | — | Inactive | |
| M. S. E. MARKETING LTD. | — | BC0351630 | 1988-09-16 | Inactive | |
| M. S. FABRIC WORLD CO. LTD. | — | BC0118148 | 1973-05-04 | Inactive | |
| M. S. FOOD STORE EQUIPMENT LTD. | — | BC0144166 | 1976-01-08 | Inactive | |
| M. S. G. - MANAGEMENT SERVICES GROUP INC. | — | BC0431836 | 1992-09-04 | Inactive | |
| M. S. GILL FARM LTD. | — | BC0908845 | 2011-04-22 | Inactive | |
| M. S. I. ENTERTAINMENT | — | FM0191549 | 1995-12-19 | Active | |
| M. S. INDUSTRIES LTD. | — | BC0159497 | 1977-03-23 | Inactive | |
| M. S. JANITORIAL SERVICES LTD. | — | BC0573513 | 1998-10-20 | Inactive | |
| M. S. KAHN BUSINESS SERVICES | — | FM0035927 | 1980-12-11 | Active | |
| M. S. LAMONT AND ASSOCIATES LIMITED | — | A0058514 | 2003-01-21 | Active | |
| M. S. LOGGING LTD. | — | BC0128472 | 1974-05-28 | Inactive | |
| M. S. LOWE HOLDINGS LTD. | — | BC0347560 | 1988-06-23 | Inactive | |
| M. S. MACLEAN TRANSPORT LTD. | — | A0036108 | 1992-10-08 | Active | |
| M. S. MECHANICAL SERVICES LTD. | — | BC0743169 | 2005-12-14 | Active | |
| M. S. NAT LTD. | — | BC0454063 | 1993-09-07 | Active | |
| M. S. R. HOLDINGS LTD. | — | BC0223617 | 1980-12-31 | Inactive | |
| M. S. R. TRANSPORT LTD. | — | BC0248939 | 1982-02-19 | Inactive | |
| M. S. R. VENTURES | — | FM0153164 | 1993-12-02 | Active | |
| M. S. ROOFING (1994) LTD. | — | BC0475885 | 1994-06-30 | Inactive | |
| M. S. S. CONTRACTING LTD. | — | BC0103495 | 1971-10-15 | Inactive | |
| M. S. S. ENTERPRISES LTD. | — | BC0211935 | 1980-06-24 | Inactive | |
| M. S. T. SECURITY LTD. | — | BC0165950 | 1977-09-20 | Inactive | |
| M. S. THAULI HOLDINGS LTD. | — | BC0104325 | 1971-11-22 | Inactive | |
| M. S. YOLLES FAMILY HOLDINGS (NO. 1) ULC | — | C1010980 | 2014-08-15 | Inactive | |
| M. S. YOLLES FAMILY HOLDINGS (NO. 1) ULC | — | BC1146771 | 2018-01-01 | Active | |
| M. SAFAL TRANSPORT LTD. | — | BC1140800 | 2017-11-09 | Active | |
| M. SAFARPOURASLDARAN DENTAL CORP. | — | C1580654 | 2026-03-05 | Active | |
| M. SAFARPOURASLDARAN PROFESSIONAL CORPORATION | — | A0140496 | 2026-02-03 | Inactive | |
| M. SAINI CPA INC. | — | BC1100776 | 2016-12-19 | Active | |
| M. SAINI SERVICES LTD. | — | BC0425491 | 1992-05-12 | Inactive | |
| M. SALO & SONS RECYCLING LTD. | — | BC0417455 | 1991-12-20 | Active | |
| M. SANDERSON HOLDINGS LTD. | — | BC0046748 | 1960-01-07 | Inactive | |
| M. SANDHU TRUCKING LTD. | — | BC1366215 | 2022-06-06 | Active | |
| M. SAPERA CONSTRUCTION LIMITED | — | A0085342 | 2012-02-07 | Inactive | |
| M. SARVER HAULING LTD. | — | BC0661195 | 2003-01-03 | Active | |
| M. SATHER BIOLOGICAL CONSULTING | — | FM0064673 | 1985-10-29 | Active | |
| M. SATRE CONTRACTING LTD. | — | BC1149228 | 2018-01-16 | Active | |
| M. SAUZE INVESTMENTS | — | FM0332003 | 2002-10-01 | Active | |
| M. SAVAGE TRANSPORT LTD. | — | A0046019 | 1997-10-28 | Inactive | |
| M. SAWADA & ASSOCIATES INC. | — | BC0391536 | 1990-08-01 | Inactive | |
| M. SCHMIDT CARPENTRY SERVICE | — | FM0446445 | 2007-03-19 | Active | |