| GROOM 0518638 · TMA298088 | dormakaba Deutschland GmbH | 6 Metal9 Electronics | Registered | 1984 |
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| GROOM 2060495 · design | Les Industries Groom de Montréal Inc. | 3 Cosmetics35 Advertising | Pending | 2020 |
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| GROHOME 2025076 · design | SHENZHEN GROWATT NEW ENERGY CO. LTD. | 9 Electronics11 Lighting35 Advertising+1 | Pending | 2020 |
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| GrowME 2038353 · TMA1141334 | an individual | 35 Advertising42 Science | Registered | 2022 |
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| GROM 1911401 · TMA1100024 | Grom, Inc. | 3 Cosmetics18 Leather25 Clothing | Registered | 2021 |
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| GROM 1596698 · TMA863692 | Honda Motor Co. Ltd. | 12 Vehicles | Registered | 2013 |
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| GROM 1402791 · TMA881936 | an individual | 30 Coffee43 Restaurants | Registered | 2014 |
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| GROON 2285193 · design | JVCKENWOOD Corporation | 9 Electronics | Pending | 2023 |
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| GROOMIE 1701172 · TMA922621 | FFD Designs (Canada) Inc. | 21 Housewares | Registered | 2015 |
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| GROWENA 0134906 · TMDA42202 | Cargill Limited | 31 Fresh | Registered | 1927 |
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| GRÖN 2211219 · TMA1227429 | Grön Fuels, LLC | 40 Treatment | Registered | 2024 |
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| GRÖN 2206078 · TMA1227380 · design | Grön Fuels, LLC | 40 Treatment | Registered | 2024 |
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| GROMA 2092936 · TMA1150659 | Groma, LLC | 36 Finance37 Construction | Registered | 2022 |
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| GRONA 2087009 · TMA1179001 · design | Owner not shown | 30 Coffee | Registered | 2023 |
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| gram 1914189 · TMA1097702 | Lantah LLC | 36 Finance | Registered | 2021 |
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| GROEN 1835205 · TMA1069248 · design | Unified Brands, Inc. | 6 Metal7 Machines11 Lighting+2 | Registered | 2020 |
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| GRRM 1772823 · TMA1011517 | Non Profitable Organization, Institute for Quantum Chemical Exploration | 9 Electronics | Registered | 2018 |
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| GRM 1692511 · TMA918281 | GLOBAL ROADWAY MAINTENANCE INC. | 37 Construction40 Treatment44 Medical | Registered | 2015 |
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| GRAHAM 1527499 · TMA877454 · design | Graham Group Ltd. | 3 Cosmetics6 Metal7 Machines+7 | Registered | 2014 |
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| GRAHAM 1527497 · TMA877554 | Graham Group Ltd. | 3 Cosmetics6 Metal7 Machines+7 | Registered | 2014 |
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| GRUMO 1508065 · TMA813671 | an individual | 9 Electronics35 Advertising41 Education+1 | Registered | 2011 |
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| Garoon 1495750 · TMA858618 | Cybozu, Inc. | 9 Electronics42 Science | Registered | 2013 |
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| GOREM 1351090 · TMA773726 | Spin Master Ltd. | 28 Toys | Registered | 2010 |
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| GRIMM 0703403 · TMA497284 | Norcard Enterprises Ltd. | 9 Electronics14 Jewellery16 Paper+5 | Registered | 1998 |
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| GROEN 0316753 · TMA174323 | Unified Brands, Inc. | 2 Paints6 Metal11 Lighting+3 | Registered | 1971 |
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