| Tampereen Aseman Hammas Oy | Health & social care | 1984 |
| Tampereen Asunto Invest Oy | Real estate | 2014 |
| Tampereen Asuntopari Oy | Real estate | 1976 |
| Tampereen Autoapu Oy | Wholesale & retail | 2018 |
| Tampereen Autocenter Oy | Wholesale & retail | 2002 |
| Tampereen Autokeskus Oy | Real estate | 1982 |
| Tampereen Autolasipalvelu Oy | Other services | 2011 |
| Tampereen Autopuhelin Ky | Manufacturing | 1980 |
| Tampereen Autosähkö Oy | Other services | 1992 |
| Tampereen Bakery Cafe Oy | Hospitality | 2016 |
| Tampereen Biohammaslääkärit Oy | Health & social care | 2000 |
| Tampereen Bitumieristys Oy | Construction | 2024 |
| Tampereen Bitumikate Oy | Construction | 1985 |
| Tampereen Brodeerauspalvelu Oy | Manufacturing | 1999 |
| Tampereen Buccinator Oy | Wholesale & retail | 1994 |
| Tampereen Cad Engineering Oy | Professional & scientific | 2010 |
| Tampereen City Huoneisto Oy | Real estate | 1983 |
| Tampereen DS Palvelu Oy | Professional & scientific | 2017 |
| Tampereen EP-Invest Oy | Real estate | 2004 |
| Tampereen Energia Oy | Energy | 1950 |
| Tampereen Energia Sähköverkko Oy | Energy | 2005 |
| Tampereen Erikoislääkärit Oy | Health & social care | 2017 |
| Tampereen Erikoissarana Oy | Manufacturing | 2009 |
| Tampereen Europhoto Oy | Professional & scientific | 1993 |
| Tampereen Evin Oy | Hospitality | 1993 |
| Tampereen Filmar Oy | Wholesale & retail | 1993 |
| Tampereen Fysiatripalvelu Ky | Health & social care | 1985 |
| Tampereen Fysioterapia Oy | Health & social care | 1982 |
| Tampereen G-Master Ky | Manufacturing | 1987 |
| Tampereen GM-Management Oy | Manufacturing | 2006 |
| Tampereen HJ-Rakennus Oy | Construction | 1992 |
| Tampereen HLS Auto Oy | Other services | 1987 |
| Tampereen Hautauspalvelu Oy Juhani Mäkipää | Other services | 2002 |
| Tampereen Hertta Oy | Professional & scientific | 2026 |
| Tampereen Hevosklinikka Oy | Professional & scientific | 2015 |
| Tampereen Hevospalvelu Oy | Professional & scientific | 1988 |
| Tampereen Hietarakenne Oy | Construction | 1996 |
| Tampereen Hius ja Kauneus Idea Oy | Other services | 2000 |
| Tampereen Hot Rod Oy | Professional & scientific | 1993 |
| Tampereen Huoltotiimi Oy | Other services | 1992 |
| Tampereen Huoltoykkönen Oy | Other services | 2010 |
| Tampereen Huoneistohotelli MN Oy | Hospitality | 2010 |
| Tampereen ILP-Tekniikka Oy | Construction | 2015 |
| Tampereen Ilmastointi Yhtymä Oy | Construction | 1989 |
| Tampereen Ilmastointiasentajat Oy | Construction | 1989 |
| Tampereen Ilmastointimiehet Oy | Construction | 2005 |
| Tampereen Infra Oy | Construction | 2019 |
| Tampereen Insinööriurakoitsijat Oy | Construction | 1999 |
| Tampereen Isännöinti Oy | Administrative & support | 1992 |
| Tampereen Isännöinti-Talo Oy | Real estate | 1992 |
| Tampereen Juhlagalleria Ky - Bridal Gallery | Manufacturing | 1999 |
| Tampereen Juhlamylly Oy | Hospitality | 2006 |
| Tampereen Julkisivutekniikka Oy | Construction | 2014 |
| Tampereen Jäähallin Grilli Ky | Hospitality | 1992 |
| Tampereen Jäätelöliike Osakeyhtiö | Manufacturing | 2013 |
| Tampereen KR Peruna Oy | Manufacturing | 1988 |
| Tampereen Kaakeliykköset Oy | Construction | 2015 |
| Tampereen Kalevan Keitaan Huolto Oy | Real estate | 1993 |
| Tampereen Kalevan Kiesiparkki Oy | Real estate | 2020 |
| Tampereen Kalustepojat Oy | Wholesale & retail | 2000 |
| Tampereen Kandidaattikoulutus Oy | Education | 2014 |
| Tampereen Kansiaitio Oy | Real estate | 2021 |
| Tampereen Kassajärjestelmät Oy | Wholesale & retail | 1992 |
| Tampereen Katehuolto Oy | Construction | 1982 |
| Tampereen Kauneushoitola Ira Suomalainen Oy | Wholesale & retail | 1990 |
| Tampereen Kauppahuone Oy | Wholesale & retail | 1996 |
| Tampereen Kaupunkiliikenne Oy | Transport & logistics | 2024 |
| Tampereen Keilahalli Oy | Real estate | 1963 |
| Tampereen Keittiötukku Oy | Manufacturing | 2011 |
| Tampereen Keskus-Burger Oy | Hospitality | 1997 |
| Tampereen Keskuskiinteistöt Oy | Wholesale & retail | 1991 |
| Tampereen Kiinteistökirjanpito Oy | Professional & scientific | 1993 |
| Tampereen Kiinteistökolmio Oy | Real estate | 1989 |
| Tampereen Kiinteistömarkkinat Oy | Real estate | 1991 |
| Tampereen Kiinteistönvälitys Oy | Real estate | 1978 |
| Tampereen Kiinteistötaito Oy | Construction | 2014 |
| Tampereen Kiipeilykeskus Oy | Arts & recreation | 2009 |
| Tampereen Kirvesmies Oy | Construction | 1989 |
| Tampereen Kisa-Huolto Ky | Administrative & support | 1995 |
| Tampereen Kivijalka LKV Oy | Real estate | 2022 |
| Tampereen Kivityöpalvelu Oy | Construction | 2022 |
| Tampereen Kolarisepät Ky | Other services | 1990 |
| Tampereen Komediateatteri Oy | Arts & recreation | 1993 |
| Tampereen Kone ja Kuljetus Oy | Construction | 1974 |
| Tampereen Kone- ja Hydrauliikkahuolto Oy | Manufacturing | 1984 |
| Tampereen Kone- ja Radiokulma Oy | Wholesale & retail | 1993 |
| Tampereen Konetekniikka Oy | Wholesale & retail | 2019 |
| Tampereen Konttorikone Oy | Wholesale & retail | 1988 |
| Tampereen Koski-Food Ky | Hospitality | 1990 |
| Tampereen KoskiHerkku Oy | Professional & scientific | 1999 |
| Tampereen Krouvarit Oy | Hospitality | 1993 |
| Tampereen Kukkapiste Oy | Professional & scientific | 1988 |
| Tampereen Kukkatuonti Oy | Wholesale & retail | 1993 |
| Tampereen Kuljetus Center Oy | Transport & logistics | 2017 |
| Tampereen Kulta- ja Jalokivipaja Oy | Manufacturing | 1984 |
| Tampereen Kulta-Aika Oy | Wholesale & retail | 1964 |
| Tampereen Kulttuurikamari Oy | Hospitality | 2001 |
| Tampereen Kuvastin Ky | Professional & scientific | 2008 |
| Tampereen Käyttöauto Oy | Wholesale & retail | 1989 |
| Tampereen Laatukaivuu Oy | Construction | 2012 |