| MEGABLAST 1849289 · TMA1071312 | an individual | 9 Electronics | Registered | 2020 |
| MEGAFLUX 1757256 · TMA1036612 | Owner not shown | 7 Machines | Registered | 2019 |
| MEGAPLEAT 1593697 · TMA860703 | American Air Filter Company, Inc. | 1 Chemicals11 Lighting | Registered | 2013 |
| MegaPlex 1542684 · TMA863304 | Seiko Epson Kabushiki Kaisha (also trading as Seiko Epson Corporation). | 9 Electronics | Registered | 2013 |
| MEGAPLEX 0871736 · TMA559267 | Cinémas Guzzo Inc. (une Société Fédérale) | 41 Education | Registered | 2002 |
| MEGAPLAY 0786977 · TMA468240 | ZEUTER DEVELOPMENT CORPORATION | 41 Education | Registered | 1997 |
| MEGAPLX 2269463 | an individual | 9 Electronics | Pending | 2023 |
| MEGAPOL 1910636 · TMA1111078 | SPECIALIZED DESANDERS INC. | 7 Machines | Registered | 2021 |
| MEGABLEU 1691200 · TMA976413 | an individual | 9 Electronics28 Toys41 Education | Registered | 2017 |
| MaxPlus2 1441737 · TMA836144 | MaxPlus 2 Inc. | 9 Electronics18 Leather25 Clothing+1 | Registered | 2012 |
| MEGAFLOOD 1428816 · TMA817367 | RAB LIGHTING INC. | 11 Lighting | Registered | 2012 |
| MAXPLUS 1417914 · TMA793650 | Carefusion 303, Inc. | 10 Medical | Registered | 2011 |
| MEGAPOL 1247728 · TMA663818 | RUETGERS POLYMERS LTD. | 1 Chemicals | Registered | 2006 |
| MEGAFLO 0818473 · TMA507313 | MERCEDES TEXTILES LTD. | 9 Electronics | Registered | 1999 |
| MEGAFLEX 0671354 · TMA391037 | GATES CORPORATION (A DELAWARE CORPORATION) | 17 Rubber | Registered | 1991 |
| MEGABLOCK 0575283 · TMA367576 | BEAVER PLASTICS LTD. | 20 Furniture | Registered | 1990 |
| MSBLUE 2260739 · TMA1279513 | ZHO INC | 14 Jewellery18 Leather | Registered | 2024 |
| MAXBLENDS 2257753 · TMA1267508 | PetSmart Home Office LLC | 31 Fresh | Registered | 2024 |
| MJOYFUL 2253884 · TMA1284670 · design | Shenzhen MJoyful Electronics Limited | 26 Sewing | Registered | 2025 |
| MasiBloom 2241804 · TMA1265567 | Shenzhen Huafengsheng Electronic Technology Co. Ltd | 9 Electronics | Registered | 2024 |
| Mochiville 2202028 · TMA1238782 | an individual | 14 Jewellery16 Paper | Registered | 2024 |
| Makeblock 2189564 · TMA1170436 | MAKEBLOCK CO. LTD. | 7 Machines28 Toys | Registered | 2023 |
| Maxfill 2160161 · TMA1194910 | Shenzhen Obuy Technology Co. Ltd | 21 Housewares | Registered | 2023 |
| MAGPUL 2149434 · TMA1192919 | Magpul Industries Corp. | 18 Leather20 Furniture21 Housewares | Registered | 2023 |
| MAGOVOLT 2133820 · TMA1216231 | an individual | 5 Pharmaceuticals | Registered | 2023 |