| Tampereen Laatuputki Oy | Wholesale & retail | 1993 |
| Tampereen Laatusiivous Oy | Administrative & support | 2025 |
| Tampereen Lainaväline Oy | Administrative & support | 2015 |
| Tampereen Lamppu ja Tarvike ky | Wholesale & retail | 2004 |
| Tampereen Lastenlääkäripalvelut Oy | Health & social care | 2019 |
| Tampereen Lattiamestarit Oy | Construction | 2007 |
| Tampereen Lattiamestarit Urakointi Oy | Construction | 2016 |
| Tampereen Lielahden korttelin 2479 yhteisjärjestely Oy | Real estate | 2022 |
| Tampereen Lihajaloste Oy | Manufacturing | 1949 |
| Tampereen Liikekiinteistöt Oy | Real estate | 2023 |
| Tampereen Liikennelaite Ky | Information & communication | 1986 |
| Tampereen Listatuote Ky | Manufacturing | 1984 |
| Tampereen Logistiikkapalvelut Oy | Transport & logistics | 1989 |
| Tampereen Lounasravintola Ky | Hospitality | 2001 |
| Tampereen Luonnonravinto Ky | Wholesale & retail | 1981 |
| Tampereen Luontokauppa Oy | Wholesale & retail | 2011 |
| Tampereen Lämpöcenter Ky | Wholesale & retail | 1978 |
| Tampereen MLL Kiinteistöt Oy | Real estate | 2009 |
| Tampereen MS-Yhtiöt oy | Manufacturing | 2012 |
| Tampereen Maalaamo Oy | Construction | 1959 |
| Tampereen Maalaus ja Rakennustekniikka Oy | Construction | 1996 |
| Tampereen Maanrakennuskoneiden Tilauskeskus Oy | Construction | 1984 |
| Tampereen Maanrakennuspalvelu - TMP Oy | Construction | 1996 |
| Tampereen Mainosteko Oy | Professional & scientific | 1989 |
| Tampereen Markiisi Oy | Manufacturing | 2010 |
| Tampereen Media-Linkki Oy | Professional & scientific | 1993 |
| Tampereen Mediakulma Oy | Wholesale & retail | 2000 |
| Tampereen Messu- ja Urheilukeskus Oy | Administrative & support | 2005 |
| Tampereen Messut Oy | Administrative & support | 1968 |
| Tampereen Mestarikiinteistöt Oy | Construction | 2017 |
| Tampereen Micavi Oy | Construction | 1991 |
| Tampereen Monivarasto Oy | Transport & logistics | 2011 |
| Tampereen Mummu ja Poika Oy | Real estate | 1997 |
| Tampereen Musakeskus Oy | Real estate | 2014 |
| Tampereen Musiikki Oy | Wholesale & retail | 1995 |
| Tampereen Muurausliike Osk | Construction | 2009 |
| Tampereen Märkätilarakentaja Ky | Construction | 2019 |
| Tampereen Nahkaputiikki Oy | Wholesale & retail | 2011 |
| Tampereen Notariaatti Oy | Real estate | 1954 |
| Tampereen Nuohous ja Ilmastointi Oy | Administrative & support | 2008 |
| Tampereen OMT-Keskus Oy | Health & social care | 1994 |
| Tampereen Offsetpalvelu Oy | Manufacturing | 1980 |
| Tampereen Osto ja Myynti Oy | Wholesale & retail | 1999 |
| Tampereen PC-Palvelu Oy | Wholesale & retail | 1996 |
| Tampereen Painepuhdistus Oy | Construction | 1987 |
| Tampereen Paletin Huolto Oy | Administrative & support | 2018 |
| Tampereen Palvelukiinteistöt Oy | Real estate | 2005 |
| Tampereen Palvelutiimi Oy | Professional & scientific | 1995 |
| Tampereen Panimoravintola Oy | Hospitality | 1994 |
| Tampereen Pelikauppa Rautajätti Oy | Wholesale & retail | 2012 |
| Tampereen Peltityö Oy | Construction | 1994 |
| Tampereen Penli Oy | Wholesale & retail | 1996 |
| Tampereen Perheoptiikka Oy | Wholesale & retail | 1989 |
| Tampereen Perheravintolat Oy | Hospitality | 2002 |
| Tampereen Pesuainepalvelu Oy | Manufacturing | 1994 |
| Tampereen Pienrakennus Oy | Construction | 2019 |
| Tampereen PihaPojat Oy | Construction | 2005 |
| Tampereen Porausteam Oy | Construction | 2001 |
| Tampereen Portabello Oy | Wholesale & retail | 2005 |
| Tampereen Prohuolto oy | Administrative & support | 2018 |
| Tampereen Psykiatrinen Konsultoimiskeskus Oy | Health & social care | 2013 |
| Tampereen Psykologipalvelu Oy | Health & social care | 2008 |
| Tampereen Puutarha-Center Oy | Administrative & support | 1973 |
| Tampereen Radiokirppis Oy | Wholesale & retail | 2018 |
| Tampereen Raitiotie Oy | Transport & logistics | 2017 |
| Tampereen Rajamerkki Oy | Information & communication | 1992 |
| Tampereen Rakennetekniikka Oy | Wholesale & retail | 1992 |
| Tampereen Rakennus-Niemiset Oy | Construction | 1993 |
| Tampereen Rakennuskonttori Oy | Professional & scientific | 1978 |
| Tampereen Rakennusmiehet Oy | Construction | 1985 |
| Tampereen Rantakylän Parkki Oy | Administrative & support | 2019 |
| Tampereen Rautatienkadun Pee Ee Ky | Financial services | 2021 |
| Tampereen Ravirata Oy | Arts & recreation | 1975 |
| Tampereen Roseanne Pizzeria Avoin yhtiö | Hospitality | 2003 |
| Tampereen Salaojarempat Oy | Construction | 2022 |
| Tampereen Sammonparkki Oy | Transport & logistics | 2020 |
| Tampereen Sammutin osakeyhtiö | Manufacturing | 2020 |
| Tampereen Sarka Oy | Administrative & support | 2011 |
| Tampereen Scanart Ky | Professional & scientific | 1989 |
| Tampereen Selkäkeskus Avoin yhtiö | Health & social care | 2011 |
| Tampereen Selkäkeskus Medical Oy | Health & social care | 2016 |
| Tampereen Sellueriste Oy | Manufacturing | 2006 |
| Tampereen Seniorihoiva Oy | Health & social care | 2013 |
| Tampereen Seudun Hautauspalvelut Oy | Other services | 2012 |
| Tampereen Seudun Keskuspuhdistamo Oy | Water & waste | 1972 |
| Tampereen Seudun Kuljetuspalvelut Oy | Transport & logistics | 1989 |
| Tampereen Siciliano Oy | Hospitality | 2018 |
| Tampereen Siirtokuljetus Ky | Transport & logistics | 1970 |
| Tampereen Sijoituskonsultointi Oy | Financial services | 1989 |
| Tampereen Silmäcenter Oy | Health & social care | 1998 |
| Tampereen Sokeain Kiinteistö Oy | Real estate | 1956 |
| Tampereen Sora ja Kuljetus Oy | Transport & logistics | 2012 |
| Tampereen Speakeasy Oy | Hospitality | 2022 |
| Tampereen Stadion Ravintola Oy | Hospitality | 2024 |
| Tampereen Super-Sisustajat Ky | Construction | 1997 |
| Tampereen Suunnistajan Kauppa Oy | Wholesale & retail | 1992 |
| Tampereen Suunnittelupalvelu Oy | Professional & scientific | 1980 |
| Tampereen Sähkö Oy | Wholesale & retail | 1946 |
| Tampereen Sähkötyö Oy | Construction | 2011 |
| Tampereen Särkänniemi Oy | Arts & recreation | 1966 |